libpthread/nptl: core of the "Native Posix Threading Library" for uClibc

targetting arm,sh,i386,mips,sparc for now

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/libpthread/nptl/sem_init.c b/libpthread/nptl/sem_init.c
new file mode 100644
index 000000000..0fbdf594e
--- /dev/null
+++ b/libpthread/nptl/sem_init.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <semaphore.h>
+#include <lowlevellock.h>
+#include "semaphoreP.h"
+
+
+int
+__new_sem_init (sem, pshared, value)
+     sem_t *sem;
+     int pshared;
+     unsigned int value;
+{
+  /* Parameter sanity check.  */
+  if (__builtin_expect (value > SEM_VALUE_MAX, 0))
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  /* Map to the internal type.  */
+  struct sem *isem = (struct sem *) sem;
+
+  /* Use the value the user provided.  */
+  isem->count = value;
+
+  /* We can completely ignore the PSHARED parameter since inter-process
+     use needs no special preparation.  */
+
+  return 0;
+}
+weak_alias(__new_sem_init, sem_init)