Module: xenomai-forge
Branch: next
Commit: 7e031df19360ae6e6fa5e27d8eeeece07fd65926
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=7e031df19360ae6e6fa5e27d8eeeece07fd65926
Author: Philippe Gerum <r...@xenomai.org>
Date: Wed Apr 23 12:31:25 2014 +0200
alchemy/task: export kernel tid to RT_TASK_INFO
---
doc/asciidoc/MIGRATION.adoc | 2 ++
include/alchemy/task.h | 4 ++++
lib/alchemy/task.c | 1 +
3 files changed, 7 insertions(+)
diff --git a/doc/asciidoc/MIGRATION.adoc b/doc/asciidoc/MIGRATION.adoc
index a013447..b7a5787 100644
--- a/doc/asciidoc/MIGRATION.adoc
+++ b/doc/asciidoc/MIGRATION.adoc
@@ -724,6 +724,8 @@ Rationale: This behavior can be achieved by not calling
corresponding information is too short-lived to be valuable to
the caller. The task's base priority is still available from
the +prio+ field.
+ * new field +pid+ represents the Linux kernel task identifier for
+ the Alchemy task, as obtained from syscall(__NR_gettid).
* other fields which represent runtime statistics are now avail
from a core-specific +stat+ field sub-structure.
diff --git a/include/alchemy/task.h b/include/alchemy/task.h
index 7a2eb1c..0387e57 100644
--- a/include/alchemy/task.h
+++ b/include/alchemy/task.h
@@ -76,6 +76,10 @@ struct RT_TASK_INFO {
* Name of task.
*/
char name[XNOBJECT_NAME_LEN];
+ /**
+ * Host pid.
+ */
+ pid_t pid;
};
typedef struct RT_TASK_INFO RT_TASK_INFO;
diff --git a/lib/alchemy/task.c b/lib/alchemy/task.c
index 8d106fc..254aa5f 100644
--- a/lib/alchemy/task.c
+++ b/lib/alchemy/task.c
@@ -1480,6 +1480,7 @@ int rt_task_inquire(RT_TASK *task, RT_TASK_INFO *info)
strcpy(info->name, tcb->name);
info->prio = threadobj_get_priority(&tcb->thobj);
+ info->pid = threadobj_get_pid(&tcb->thobj);
put_alchemy_task(tcb);
out:
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