Module: xenomai-forge
Branch: next
Commit: b92a09ee5e76dd1e28e461b1bf7e155b8739bdc3
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=b92a09ee5e76dd1e28e461b1bf7e155b8739bdc3
Author: Philippe Gerum <r...@xenomai.org>
Date: Mon Jul 14 17:57:35 2014 +0200
trank: restrict pthread_make_periodic_np() emulation to self
---
lib/trank/posix.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/lib/trank/posix.c b/lib/trank/posix.c
index 036d98b..ddada56 100644
--- a/lib/trank/posix.c
+++ b/lib/trank/posix.c
@@ -48,6 +48,11 @@
* - ESRCH, @a thread is invalid.
* - ETIMEDOUT, the start time has already passed.
* - EPERM, the caller is not a Xenomai thread.
+ * - EINVAL, @a thread does not refer to the current thread.
+ *
+ * @note Unlike the original Xenomai 2.x call, this emulation does not
+ * delay the caller waiting for the first periodic release point. In
+ * addition, @a thread must be equal to pthread_self().
*
* @deprecated This service is a non-portable extension of the Xenomai
* 2.x POSIX interface, not available with Xenomai 3.x. Instead,
@@ -71,6 +76,9 @@ int pthread_make_periodic_np(pthread_t thread,
if (tc == NULL)
return EPERM;
+ if (thread != pthread_self())
+ return EINVAL;
+
if (tc->periodic_timer == NULL) {
memset(&sev, 0, sizeof(sev));
sev.sigev_signo = SIGPERIOD;
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