Module: xenomai-forge
Branch: next
Commit: b41ecb043b44b3a0df185ec9d6d812f40d25d6af
URL:    
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=b41ecb043b44b3a0df185ec9d6d812f40d25d6af

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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