[PATCH 052/114] Add <semaphore.h> header for Phoenix.

[Jakub Sejdak]

From: Kuba Sejdak <jakub.sejdak@phoesys.com>

---
 newlib/libc/sys/phoenix/include/semaphore.h | 46 +++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 newlib/libc/sys/phoenix/include/semaphore.h

diff --git a/newlib/libc/sys/phoenix/include/semaphore.h b/newlib/libc/sys/phoenix/include/semaphore.h
new file mode 100644
index 0000000..8a3f11e
--- /dev/null
+++ b/newlib/libc/sys/phoenix/include/semaphore.h
@@ -0,0 +1,46 @@
+/* Copyright (C) 2012-2016 Phoenix Systems (http://www.phoesys.com/).
+   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 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.  */
+
+#ifndef SEMAPHORE_H
+#define SEMAPHORE_H
+
+#include <time.h>
+
+/* System specific semaphore definition. */
+typedef struct {
+	int fd;
+} sem_t;
+
+/* Value returned if `sem_open' failed. */
+#define SEM_FAILED		((sem_t *) 0)
+
+/* Maximum value the semaphore can have. */
+#define SEM_VALUE_MAX	(2147483647)
+
+int sem_init(sem_t *sem, int pshared, unsigned int value);
+int sem_destroy(sem_t *sem);
+sem_t *sem_open(const char *name, int oflag, ...);
+int sem_close(sem_t *sem);
+int sem_unlink(const char *name);
+int sem_wait(sem_t *sem);
+int sem_timedwait(sem_t *sem, const struct timespec *abs_timeout);
+int sem_trywait(sem_t *sem);
+int sem_post(sem_t *sem);
+int sem_getvalue(sem_t * sem, int *sval);
+
+#endif
-- 
2.5.0