[Xenomai-git] Philippe Gerum : boilerplate: introduce get_static_cpu_count()
Module: xenomai-forge
Branch: next
Commit: 06c690f8db5f13dbae3b7ec81dabde74b3884ae5
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=06c690f8db5f13dbae3b7ec81dabde74b3884ae5
Author: Philippe Gerum r...@xenomai.org
Date: Mon Apr 21 11:21:25 2014 +0200
boilerplate: introduce get_static_cpu_count()
---
include/boilerplate/ancillaries.h |2 ++
lib/boilerplate/ancillaries.c | 23 +++
2 files changed, 25 insertions(+)
diff --git a/include/boilerplate/ancillaries.h
b/include/boilerplate/ancillaries.h
index b2c5b44..f1b4118 100644
--- a/include/boilerplate/ancillaries.h
+++ b/include/boilerplate/ancillaries.h
@@ -75,6 +75,8 @@ void error_hook(struct error_frame *ef);
void boilerplate_init(void);
+int get_static_cpu_count(void);
+
#ifdef __cplusplus
}
#endif
diff --git a/lib/boilerplate/ancillaries.c b/lib/boilerplate/ancillaries.c
index 390369c..688aeee 100644
--- a/lib/boilerplate/ancillaries.c
+++ b/lib/boilerplate/ancillaries.c
@@ -224,6 +224,29 @@ int __check_cancel_type(const char *locktype)
#endif /* CONFIG_XENO_DEBUG */
+int get_static_cpu_count(void)
+{
+ char buf[BUFSIZ];
+ int count = 0;
+ FILE *fp;
+
+ /*
+* We want the maximum # of CPU the running kernel was
+* configured for, not the current online/present/possible
+* count of CPU devices.
+*/
+ fp = fopen(/sys/devices/system/cpu/kernel_max, r);
+ if (fp == NULL)
+ return -1;
+
+ if (fgets(buf, sizeof(buf), fp))
+ count = atoi(buf);
+
+ fclose(fp);
+
+ return count;
+}
+
static void __boilerplate_init(void)
{
__RT(clock_gettime(CLOCK_MONOTONIC, __init_date));
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[Xenomai-git] Philippe Gerum : boilerplate: introduce get_static_cpu_count()
Module: xenomai-forge
Branch: next
Commit: 366460e3e9e114d46755f8c87e49e0069f7baa9c
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=366460e3e9e114d46755f8c87e49e0069f7baa9c
Author: Philippe Gerum r...@xenomai.org
Date: Mon Apr 21 11:21:25 2014 +0200
boilerplate: introduce get_static_cpu_count()
---
include/boilerplate/ancillaries.h |2 ++
lib/boilerplate/ancillaries.c | 23 +++
2 files changed, 25 insertions(+)
diff --git a/include/boilerplate/ancillaries.h
b/include/boilerplate/ancillaries.h
index b2c5b44..f1b4118 100644
--- a/include/boilerplate/ancillaries.h
+++ b/include/boilerplate/ancillaries.h
@@ -75,6 +75,8 @@ void error_hook(struct error_frame *ef);
void boilerplate_init(void);
+int get_static_cpu_count(void);
+
#ifdef __cplusplus
}
#endif
diff --git a/lib/boilerplate/ancillaries.c b/lib/boilerplate/ancillaries.c
index 390369c..688aeee 100644
--- a/lib/boilerplate/ancillaries.c
+++ b/lib/boilerplate/ancillaries.c
@@ -224,6 +224,29 @@ int __check_cancel_type(const char *locktype)
#endif /* CONFIG_XENO_DEBUG */
+int get_static_cpu_count(void)
+{
+ char buf[BUFSIZ];
+ int count = 0;
+ FILE *fp;
+
+ /*
+* We want the maximum # of CPU the running kernel was
+* configured for, not the current online/present/possible
+* count of CPU devices.
+*/
+ fp = fopen(/sys/devices/system/cpu/kernel_max, r);
+ if (fp == NULL)
+ return -1;
+
+ if (fgets(buf, sizeof(buf), fp))
+ count = atoi(buf);
+
+ fclose(fp);
+
+ return count;
+}
+
static void __boilerplate_init(void)
{
__RT(clock_gettime(CLOCK_MONOTONIC, __init_date));
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[Xenomai-git] Philippe Gerum : boilerplate: introduce get_static_cpu_count()
Module: xenomai-forge
Branch: rtdm-api-waitqueues
Commit: 9579ce404325fffc35f8df2097cf3f7ecc09074a
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=9579ce404325fffc35f8df2097cf3f7ecc09074a
Author: Philippe Gerum r...@xenomai.org
Date: Mon Apr 21 11:21:25 2014 +0200
boilerplate: introduce get_static_cpu_count()
---
include/boilerplate/ancillaries.h |2 ++
lib/boilerplate/ancillaries.c | 23 +++
2 files changed, 25 insertions(+)
diff --git a/include/boilerplate/ancillaries.h
b/include/boilerplate/ancillaries.h
index b2c5b44..f1b4118 100644
--- a/include/boilerplate/ancillaries.h
+++ b/include/boilerplate/ancillaries.h
@@ -75,6 +75,8 @@ void error_hook(struct error_frame *ef);
void boilerplate_init(void);
+int get_static_cpu_count(void);
+
#ifdef __cplusplus
}
#endif
diff --git a/lib/boilerplate/ancillaries.c b/lib/boilerplate/ancillaries.c
index 390369c..688aeee 100644
--- a/lib/boilerplate/ancillaries.c
+++ b/lib/boilerplate/ancillaries.c
@@ -224,6 +224,29 @@ int __check_cancel_type(const char *locktype)
#endif /* CONFIG_XENO_DEBUG */
+int get_static_cpu_count(void)
+{
+ char buf[BUFSIZ];
+ int count = 0;
+ FILE *fp;
+
+ /*
+* We want the maximum # of CPU the running kernel was
+* configured for, not the current online/present/possible
+* count of CPU devices.
+*/
+ fp = fopen(/sys/devices/system/cpu/kernel_max, r);
+ if (fp == NULL)
+ return -1;
+
+ if (fgets(buf, sizeof(buf), fp))
+ count = atoi(buf);
+
+ fclose(fp);
+
+ return count;
+}
+
static void __boilerplate_init(void)
{
__RT(clock_gettime(CLOCK_MONOTONIC, __init_date));
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[Xenomai-git] Philippe Gerum : boilerplate: introduce get_static_cpu_count()
Module: xenomai-forge
Branch: next
Commit: 9579ce404325fffc35f8df2097cf3f7ecc09074a
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=9579ce404325fffc35f8df2097cf3f7ecc09074a
Author: Philippe Gerum r...@xenomai.org
Date: Mon Apr 21 11:21:25 2014 +0200
boilerplate: introduce get_static_cpu_count()
---
include/boilerplate/ancillaries.h |2 ++
lib/boilerplate/ancillaries.c | 23 +++
2 files changed, 25 insertions(+)
diff --git a/include/boilerplate/ancillaries.h
b/include/boilerplate/ancillaries.h
index b2c5b44..f1b4118 100644
--- a/include/boilerplate/ancillaries.h
+++ b/include/boilerplate/ancillaries.h
@@ -75,6 +75,8 @@ void error_hook(struct error_frame *ef);
void boilerplate_init(void);
+int get_static_cpu_count(void);
+
#ifdef __cplusplus
}
#endif
diff --git a/lib/boilerplate/ancillaries.c b/lib/boilerplate/ancillaries.c
index 390369c..688aeee 100644
--- a/lib/boilerplate/ancillaries.c
+++ b/lib/boilerplate/ancillaries.c
@@ -224,6 +224,29 @@ int __check_cancel_type(const char *locktype)
#endif /* CONFIG_XENO_DEBUG */
+int get_static_cpu_count(void)
+{
+ char buf[BUFSIZ];
+ int count = 0;
+ FILE *fp;
+
+ /*
+* We want the maximum # of CPU the running kernel was
+* configured for, not the current online/present/possible
+* count of CPU devices.
+*/
+ fp = fopen(/sys/devices/system/cpu/kernel_max, r);
+ if (fp == NULL)
+ return -1;
+
+ if (fgets(buf, sizeof(buf), fp))
+ count = atoi(buf);
+
+ fclose(fp);
+
+ return count;
+}
+
static void __boilerplate_init(void)
{
__RT(clock_gettime(CLOCK_MONOTONIC, __init_date));
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