aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorGravatar Mike Frysinger <vapier@gentoo.org>2007-01-27 06:02:10 +0000
committerGravatar Mike Frysinger <vapier@gentoo.org>2007-01-27 06:02:10 +0000
commit5021dd5e896cc0cd815c2ab237906ae6f32fc6de (patch)
tree0e4f6e65440a058f114dee37432c65f03bdd427a
parent3a1f1db73f88c229de1a9b7d273308bdbfe4114a (diff)
downloaduClibc-5021dd5e896cc0cd815c2ab237906ae6f32fc6de.tar.gz
uClibc-5021dd5e896cc0cd815c2ab237906ae6f32fc6de.tar.bz2
missed mutex header from previous patch
-rw-r--r--libc/sysdeps/linux/common/bits/uClibc_mutex.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/bits/uClibc_mutex.h b/libc/sysdeps/linux/common/bits/uClibc_mutex.h
new file mode 100644
index 000000000..d40d49014
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/uClibc_mutex.h
@@ -0,0 +1,87 @@
+/* Copyright (C) 2006 Manuel Novoa III <mjn3@codepoet.org>
+ *
+ * GNU Library General Public License (LGPL) version 2 or later.
+ *
+ * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details.
+ */
+
+#ifndef _UCLIBC_MUTEX_H
+#define _UCLIBC_MUTEX_H
+
+#include <features.h>
+
+#ifdef __UCLIBC_HAS_THREADS__
+
+#include <pthread.h>
+
+#define __UCLIBC_MUTEX_TYPE pthread_mutex_t
+
+#define __UCLIBC_MUTEX(M) pthread_mutex_t M
+#define __UCLIBC_MUTEX_INIT(M,I) pthread_mutex_t M = I
+#define __UCLIBC_MUTEX_STATIC(M,I) static pthread_mutex_t M = I
+#define __UCLIBC_MUTEX_EXTERN(M) extern pthread_mutex_t M
+
+#define __UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE(M) \
+ __pthread_mutex_lock(&(M))
+
+#define __UCLIBC_MUTEX_UNLOCK_CANCEL_UNSAFE(M) \
+ __pthread_mutex_unlock(&(M))
+
+#define __UCLIBC_MUTEX_TRYLOCK_CANCEL_UNSAFE(M) \
+ __pthread_mutex_trylock(&(M))
+
+#define __UCLIBC_MUTEX_CONDITIONAL_LOCK(M,C) \
+ do { \
+ struct _pthread_cleanup_buffer __infunc_pthread_cleanup_buffer; \
+ if (C) { \
+ _pthread_cleanup_push_defer(&__infunc_pthread_cleanup_buffer, \
+ __pthread_mutex_unlock, \
+ &(M)); \
+ __pthread_mutex_lock(&(M)); \
+ } \
+ ((void)0)
+
+#define __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M,C) \
+ if (C) { \
+ _pthread_cleanup_pop_restore(&__infunc_pthread_cleanup_buffer,1);\
+ } \
+ } while (0)
+
+#define __UCLIBC_MUTEX_AUTO_LOCK_VAR(A) int A
+
+#define __UCLIBC_MUTEX_AUTO_LOCK(M,A,V) \
+ __UCLIBC_MUTEX_CONDITIONAL_LOCK(M,((A=(V)) == 0))
+
+#define __UCLIBC_MUTEX_AUTO_UNLOCK(M,A) \
+ __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M,(A == 0))
+
+#define __UCLIBC_MUTEX_LOCK(M) \
+ __UCLIBC_MUTEX_CONDITIONAL_LOCK(M, 1)
+
+#define __UCLIBC_MUTEX_UNLOCK(M) \
+ __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M, 1)
+
+#else
+
+#define __UCLIBC_MUTEX(M) void *__UCLIBC_MUTEX_DUMMY_ ## M
+#define __UCLIBC_MUTEX_INIT(M,I) extern void *__UCLIBC_MUTEX_DUMMY_ ## M
+#define __UCLIBC_MUTEX_STATIC(M) extern void *__UCLIBC_MUTEX_DUMMY_ ## M
+#define __UCLIBC_MUTEX_EXTERN(M) extern void *__UCLIBC_MUTEX_DUMMY_ ## M
+
+#define __UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE(M) ((void)0)
+#define __UCLIBC_MUTEX_UNLOCK_CANCEL_UNSAFE(M) ((void)0)
+#define __UCLIBC_MUTEX_TRYLOCK_CANCEL_UNSAFE(M) (0) /* Always succeed? */
+
+#define __UCLIBC_MUTEX_CONDITIONAL_LOCK(M,C) ((void)0)
+#define __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M,C) ((void)0)
+
+#define __UCLIBC_MUTEX_AUTO_LOCK_VAR(A) ((void)0)
+#define __UCLIBC_MUTEX_AUTO_LOCK(M,A,V) ((void)0)
+#define __UCLIBC_MUTEX_AUTO_UNLOCK(M,A) ((void)0)
+
+#define __UCLIBC_MUTEX_LOCK(M) ((void)0)
+#define __UCLIBC_MUTEX_UNLOCK(M) ((void)0)
+
+#endif
+
+#endif /* _UCLIBC_MUTEX_H */