libpthread/

2005-05-12  Neal H. Walfield  <neal@gnu.org>

	* Makefile (SRCS): Add sem-close.c sem-destroy.c sem-getvalue.c
	sem-init.c sem-open.c sem-post.c sem-timedwait.c sem-trywait.c
	sem-unlink.c and sem-wait.c.
	(sysdeps_headers): Add semaphore.h bits/semaphore.h.
	* include/semaphore.h: New file.
	* sysdeps/generic/sem-close.c: New file.
	* sysdeps/generic/sem-destroy.c: New file.
	* sysdeps/generic/sem-getvalue.c: New file.
	* sysdeps/generic/sem-init.c: New file.
	* sysdeps/generic/sem-open.c: New file.
	* sysdeps/generic/sem-post.c: New file.
	* sysdeps/generic/sem-timedwait.c: New file.
	* sysdeps/generic/sem-trywait.c: New file.
	* sysdeps/generic/sem-unlink.c: New file.
	* sysdeps/generic/sem-wait.c: New file.
	* sysdeps/generic/bits/semaphore.h: New file.

1 files changed, 46 insertions, 0 deletions

diff --git a/sysdeps/generic/sem-init.c b/sysdeps/generic/sem-init.c
new file mode 100644
index 00000000..f516ec98
--- /dev/null
+++ b/sysdeps/generic/sem-init.c
@@ -0,0 +1,46 @@
+/* Initialize a semaphore.  Generic version.
+   Copyright (C) 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <semaphore.h>
+#include <errno.h>
+
+#include <pt-internal.h>
+
+int
+__sem_init (sem_t *sem, int pshared, unsigned value)
+{
+  if (pshared != 0)
+    {
+      errno = EOPNOTSUPP;
+      return -1;
+    }
+
+#ifdef SEM_VALUE_MAX
+  if (value > SEM_VALUE_MAX)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+#endif
+
+  *sem = (sem_t) __SEMAPHORE_INITIALIZER (pshared, value);
+  return 0;
+}
+
+weak_alias (__sem_init, sem_init);