OSDN Git Service

2008-02-04 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / gthr-posix.h
index a290b6a..ad6822e 100644 (file)
@@ -47,6 +47,11 @@ typedef pthread_key_t __gthread_key_t;
 typedef pthread_once_t __gthread_once_t;
 typedef pthread_mutex_t __gthread_mutex_t;
 typedef pthread_mutex_t __gthread_recursive_mutex_t;
+typedef pthread_cond_t __gthread_cond_t;
+
+/* POSIX like conditional variables are supported.  Please look at comments
+   in gthr.h for details. */
+#define __GTHREAD_HAS_COND     1       
 
 #define __GTHREAD_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
 #define __GTHREAD_ONCE_INIT PTHREAD_ONCE_INIT
@@ -57,6 +62,7 @@ typedef pthread_mutex_t __gthread_recursive_mutex_t;
 #else
 #define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
 #endif
+#define __GTHREAD_COND_INIT PTHREAD_COND_INITIALIZER
 
 #if SUPPORTS_WEAK && GTHREAD_USE_WEAK
 # ifndef __gthrw_pragma
@@ -88,6 +94,8 @@ __gthrw3(pthread_mutex_lock)
 __gthrw3(pthread_mutex_trylock)
 __gthrw3(pthread_mutex_unlock)
 __gthrw3(pthread_mutex_init)
+__gthrw3(pthread_cond_broadcast)
+__gthrw3(pthread_cond_wait)
 #else
 __gthrw(pthread_once)
 __gthrw(pthread_getspecific)
@@ -98,6 +106,8 @@ __gthrw(pthread_mutex_lock)
 __gthrw(pthread_mutex_trylock)
 __gthrw(pthread_mutex_unlock)
 __gthrw(pthread_mutex_init)
+__gthrw(pthread_cond_broadcast)
+__gthrw(pthread_cond_wait)
 #endif
 
 __gthrw(pthread_key_create)
@@ -110,20 +120,16 @@ __gthrw(pthread_mutexattr_destroy)
 #if defined(_LIBOBJC) || defined(_LIBOBJC_WEAK)
 /* Objective-C.  */
 #if defined(__osf__) && defined(_PTHREAD_USE_MANGLED_NAMES_)
-__gthrw3(pthread_cond_broadcast)
 __gthrw3(pthread_cond_destroy)
 __gthrw3(pthread_cond_init)
 __gthrw3(pthread_cond_signal)
-__gthrw3(pthread_cond_wait)
 __gthrw3(pthread_exit)
 __gthrw3(pthread_mutex_destroy)
 __gthrw3(pthread_self)
 #else
-__gthrw(pthread_cond_broadcast)
 __gthrw(pthread_cond_destroy)
 __gthrw(pthread_cond_init)
 __gthrw(pthread_cond_signal)
-__gthrw(pthread_cond_wait)
 __gthrw(pthread_exit)
 __gthrw(pthread_mutex_destroy)
 __gthrw(pthread_self)
@@ -240,20 +246,20 @@ __gthread_active_init (void)
 {
   static pthread_mutex_t __gthread_active_mutex = PTHREAD_MUTEX_INITIALIZER;
   pthread_t t;
+  pthread_attr_t a;
   int result;
 
   __gthrw_(pthread_mutex_lock) (&__gthread_active_mutex);
   if (__gthread_active < 0)
     {
-      result = __gthrw_(pthread_create) (&t, NULL, __gthread_start, NULL);
+      __gthrw_(pthread_attr_init) (&a);
+      __gthrw_(pthread_attr_setdetachstate) (&a, PTHREAD_CREATE_DETACHED);
+      result = __gthrw_(pthread_create) (&t, &a, __gthread_start, NULL);
       if (result != ENOSYS)
-       {
-         __gthread_active = 1;
-         if (!result)
-           __gthrw_(pthread_join) (t, NULL);
-       }
+       __gthread_active = 1;
       else
        __gthread_active = 0;
+      __gthrw_(pthread_attr_destroy) (&a);
     }
   __gthrw_(pthread_mutex_unlock) (&__gthread_active_mutex);
 }
@@ -737,6 +743,25 @@ __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
   return __gthread_mutex_unlock (mutex);
 }
 
+static inline int
+__gthread_cond_broadcast (__gthread_cond_t *cond)
+{
+  return __gthrw_(pthread_cond_broadcast) (cond);
+}
+
+static inline int
+__gthread_cond_wait (__gthread_cond_t *cond, __gthread_mutex_t *mutex)
+{
+  return __gthrw_(pthread_cond_wait) (cond, mutex);
+}
+
+static inline int
+__gthread_cond_wait_recursive (__gthread_cond_t *cond,
+                              __gthread_recursive_mutex_t *mutex)
+{
+  return __gthread_cond_wait (cond, mutex);
+}
+
 #endif /* _LIBOBJC */
 
 #endif /* ! GCC_GTHR_POSIX_H */