[PATCH] htl: Add wrapper header for <semaphore.h> with hidden __sem_post

[Florian Weimer]

This is required to avoid a check-localplt failure due to a
sem_post call through the PLT.

---
 sysdeps/htl/include/semaphore.h | 9 +++++++++
 sysdeps/htl/sem-post.c          | 2 +-
 sysdeps/htl/sem-timedwait.c     | 2 +-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/sysdeps/htl/include/semaphore.h b/sysdeps/htl/include/semaphore.h
new file mode 100644
index 0000000000..58fa2bf341
--- /dev/null
+++ b/sysdeps/htl/include/semaphore.h
@@ -0,0 +1,9 @@
+#ifndef	_SEMAPHORE_H
+#include_next <semaphore.h>
+
+#ifndef _ISOMAC
+extern __typeof (sem_post) __sem_post;
+libpthread_hidden_proto (__sem_post)
+#endif
+
+#endif
diff --git a/sysdeps/htl/sem-post.c b/sysdeps/htl/sem-post.c
index fd0c6338c6..720b73a059 100644
--- a/sysdeps/htl/sem-post.c
+++ b/sysdeps/htl/sem-post.c
@@ -64,5 +64,5 @@ __sem_post (sem_t *sem)
 
   return 0;
 }
-
+libpthread_hidden_def (__sem_post)
 strong_alias (__sem_post, sem_post);
diff --git a/sysdeps/htl/sem-timedwait.c b/sysdeps/htl/sem-timedwait.c
index fffdf36467..5095d49b28 100644
--- a/sysdeps/htl/sem-timedwait.c
+++ b/sysdeps/htl/sem-timedwait.c
@@ -167,7 +167,7 @@ out_locked:
     {
       if (ret == 0 && ctx.cancel_wake == 0)
 	/* We were cancelled while waking up with a token, put it back.  */
-	sem_post (sem);
+	__sem_post (sem);
 
       __pthread_exit (PTHREAD_CANCELED);
     }