[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2017-07-27 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: 3a8f597f27f551bed669d0b5ae78872017709581
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=3a8f597f27f551bed669d0b5ae78872017709581

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 9b8f1ff..cc98a19 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -88,7 +88,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2017-06-03 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: fc6016d5530b40453b697210b03823f184ff8815
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=fc6016d5530b40453b697210b03823f184ff8815

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index eaac70d..45f920f 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -88,7 +88,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2017-05-21 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: 575f1da2f77606db441dcb1cb5b5fdbde968dfcc
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=575f1da2f77606db441dcb1cb5b5fdbde968dfcc

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index eaac70d..45f920f 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -88,7 +88,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2017-05-15 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: 466425bb5c9ac7a4c0c9af047c801c4621ce9eb8
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=466425bb5c9ac7a4c0c9af047c801c4621ce9eb8

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index eaac70d..45f920f 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -88,7 +88,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2017-05-14 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: 38f65d16449e67ba8ab492e8df4bb90f07d71851
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=38f65d16449e67ba8ab492e8df4bb90f07d71851

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index eaac70d..45f920f 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -88,7 +88,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2017-03-15 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: 1ed889b3332a23f890a1b05c9ae238636b1fa9c3
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=1ed889b3332a23f890a1b05c9ae238636b1fa9c3

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2017-03-13 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: 97b39bc46da70a15dbfe8f76b1912ba9afea219c
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=97b39bc46da70a15dbfe8f76b1912ba9afea219c

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2017-03-05 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: f37f8a32a8526fdfc97b17271d3fab99d7b545e6
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=f37f8a32a8526fdfc97b17271d3fab99d7b545e6

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2017-02-15 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: aa159447b55994e5623e5bece76bc3a7a102f9b9
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=aa159447b55994e5623e5bece76bc3a7a102f9b9

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2017-01-26 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: b943ac065d4814a707e286b974726b8c3ff38308
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=b943ac065d4814a707e286b974726b8c3ff38308

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2016-12-09 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: c61187e8f1359555a24158a9f9340ae6218478dd
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=c61187e8f1359555a24158a9f9340ae6218478dd

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2016-11-28 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: 5f5dc8a43afbb28ba89c3100990d19119e66642f
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=5f5dc8a43afbb28ba89c3100990d19119e66642f

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2016-11-21 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: 278e5dd0dc89706212b09a24d6243f3b30c3be8e
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=278e5dd0dc89706212b09a24d6243f3b30c3be8e

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2016-11-15 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: 32cc4247e962bd78d7f8d99b3d4bcd72adf8df71
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=32cc4247e962bd78d7f8d99b3d4bcd72adf8df71

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2016-09-22 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: 762abc776d1bed4ac473bcea84711fee1505acaf
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=762abc776d1bed4ac473bcea84711fee1505acaf

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2016-06-20 Thread git repository hosting 
Module: xenomai-3
Branch: wip/dovetail
Commit: c821cbaa31c4a816615a82d7cbbd049987da6f1a
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=c821cbaa31c4a816615a82d7cbbd049987da6f1a

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2016-05-23 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: c821cbaa31c4a816615a82d7cbbd049987da6f1a
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=c821cbaa31c4a816615a82d7cbbd049987da6f1a

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2016-05-20 Thread git repository hosting 
Module: xenomai-jki
Branch: for-forge
Commit: 188ca70999794b5b97aeffc55721b3c106515996
URL:
http://git.xenomai.org/?p=xenomai-jki.git;a=commit;h=188ca70999794b5b97aeffc55721b3c106515996

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2016-05-17 Thread git repository hosting 
Module: xenomai-jki
Branch: for-forge
Commit: 3489d686f7f9b5fa1fc8ddb1559a0e391b28bc9a
URL:
http://git.xenomai.org/?p=xenomai-jki.git;a=commit;h=3489d686f7f9b5fa1fc8ddb1559a0e391b28bc9a

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 3d0e20c..cc0eb05 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2016-05-09 Thread git repository hosting 
Module: xenomai-jki
Branch: for-forge
Commit: 110b97a4770affa6f0888355fc5a7c57e12b4ab9
URL:
http://git.xenomai.org/?p=xenomai-jki.git;a=commit;h=110b97a4770affa6f0888355fc5a7c57e12b4ab9

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 92f7245..75673d7 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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[Xenomai-git] Jan Kiszka : cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

2016-05-06 Thread git repository hosting 
Module: xenomai-jki
Branch: for-forge
Commit: 2e4c540c4eb71eea6eae195d13f8e0df80aba31b
URL:
http://git.xenomai.org/?p=xenomai-jki.git;a=commit;h=2e4c540c4eb71eea6eae195d13f8e0df80aba31b

Author: Jan Kiszka 
Date:   Tue Mar  8 14:41:28 2016 +0100

cobalt/kernel: Introduce __SCHED_CURRENT policy to setschedparam_ex

Define the internal scheduling policy "current": it shall refer to the
target thread's current scheduling policy. This will allow to model
pthread_setschedprio on top of pthread_setschedparam_ex with only a
single syscall.

Signed-off-by: Jan Kiszka 

---

 include/cobalt/uapi/sched.h|3 +++
 kernel/cobalt/posix/thread.c   |   10 ++
 kernel/cobalt/trace/cobalt-posix.h |3 ++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/cobalt/uapi/sched.h b/include/cobalt/uapi/sched.h
index b672095..2a1df44 100644
--- a/include/cobalt/uapi/sched.h
+++ b/include/cobalt/uapi/sched.h
@@ -21,6 +21,9 @@
 #define SCHED_COBALT   42
 #define SCHED_WEAK 43
 
+/* for internal use */
+#define __SCHED_CURRENT44
+
 #ifndef SCHED_SPORADIC
 #define SCHED_SPORADIC 10
 #define sched_ss_low_priority  sched_u.ss.__sched_low_priority
diff --git a/kernel/cobalt/posix/thread.c b/kernel/cobalt/posix/thread.c
index d87edb1..217b81b 100644
--- a/kernel/cobalt/posix/thread.c
+++ b/kernel/cobalt/posix/thread.c
@@ -242,6 +242,7 @@ struct xnthread_personality *cobalt_thread_finalize(struct 
xnthread *zombie)
 int __cobalt_thread_setschedparam_ex(struct cobalt_thread *thread, int policy,
 const struct sched_param_ex *param_ex)
 {
+   struct xnthread *base_thread = >threadbase;
struct xnsched_class *sched_class;
union xnsched_policy_param param;
xnticks_t tslice;
@@ -256,6 +257,15 @@ int __cobalt_thread_setschedparam_ex(struct cobalt_thread 
*thread, int policy,
goto out;
}
 
+   if (policy == __SCHED_CURRENT) {
+   policy = base_thread->base_class->policy;
+   if (xnthread_base_priority(base_thread) == 0)
+   policy = SCHED_NORMAL;
+   else if (base_thread->base_class == _class_rt &&
+xnthread_test_state(base_thread, XNRRB))
+   policy = SCHED_RR;
+   }
+
tslice = thread->threadbase.rrperiod;
sched_class = cobalt_sched_policy_param(, policy,
param_ex, );
diff --git a/kernel/cobalt/trace/cobalt-posix.h 
b/kernel/cobalt/trace/cobalt-posix.h
index 92f7245..75673d7 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -90,7 +90,8 @@ DECLARE_EVENT_CLASS(syscall_exit,
 {SCHED_QUOTA, "quota"},\
 {SCHED_SPORADIC, "sporadic"},  \
 {SCHED_COBALT, "cobalt"},  \
-{SCHED_WEAK, "weak"})
+{SCHED_WEAK, "weak"},  \
+{__SCHED_CURRENT, ""})
 
 #define cobalt_print_sched_params(__policy, __p_ex)\
 ({ \


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