Cygwin: move POSIX semaphore API functions to posix_ipc.cc

This way, the sem API is all in the same place, even if the
underlying semaphore class is still in thread.cc.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

winsup/cygwin/posix_ipc.cc

@@ -518,3 +518,51 @@ sem_unlink (const char *name)
     return -1;
   return 0;
 }
+
+extern "C" int
+sem_init (sem_t * sem, int pshared, unsigned int value)
+{
+  return semaphore::init (sem, pshared, value);
+}
+
+extern "C" int
+sem_destroy (sem_t * sem)
+{
+  return semaphore::destroy (sem);
+}
+
+extern "C" int
+sem_wait (sem_t * sem)
+{
+  return semaphore::wait (sem);
+}
+
+extern "C" int
+sem_trywait (sem_t * sem)
+{
+  return semaphore::trywait (sem);
+}
+
+extern "C" int
+sem_clockwait (sem_t * sem, clockid_t clock_id, const struct timespec *abstime)
+{
+  return semaphore::clockwait (sem, clock_id, abstime);
+}
+
+extern "C" int
+sem_timedwait (sem_t * sem, const struct timespec *abstime)
+{
+  return semaphore::clockwait (sem, CLOCK_REALTIME, abstime);
+}
+
+extern "C" int
+sem_post (sem_t *sem)
+{
+  return semaphore::post (sem);
+}
+
+extern "C" int
+sem_getvalue (sem_t * sem, int *sval)
+{
+  return semaphore::getvalue (sem, sval);
+}

winsup/cygwin/thread.cc

@@ -4559,54 +4559,4 @@ pthread_getcpuclockid (pthread_t thread, clockid_t *clk_id)
   return 0;
 }
 
-/* Semaphores */
-
-int
-sem_init (sem_t * sem, int pshared, unsigned int value)
-{
-  return semaphore::init (sem, pshared, value);
-}
-
-int
-sem_destroy (sem_t * sem)
-{
-  return semaphore::destroy (sem);
-}
-
-int
-sem_wait (sem_t * sem)
-{
-  return semaphore::wait (sem);
-}
-
-int
-sem_trywait (sem_t * sem)
-{
-  return semaphore::trywait (sem);
-}
-
-int
-sem_clockwait (sem_t * sem, clockid_t clock_id, const struct timespec *abstime)
-{
-  return semaphore::clockwait (sem, clock_id, abstime);
-}
-
-int
-sem_timedwait (sem_t * sem, const struct timespec *abstime)
-{
-  return semaphore::clockwait (sem, CLOCK_REALTIME, abstime);
-}
-
-int
-sem_post (sem_t *sem)
-{
-  return semaphore::post (sem);
-}
-
-int
-sem_getvalue (sem_t * sem, int *sval)
-{
-  return semaphore::getvalue (sem, sval);
-}
-
 }