2004-09-22 Zoltan Varga <vargaz@freemail.hu>

[mono.git] / mono / io-layer / mutexes.c

diff --git a/mono/io-layer/mutexes.c b/mono/io-layer/mutexes.c
index ee736aac2c21064efe177cbec0372274c3185517..ee10921578aea85b51a46f531f01034c8ec1fef6 100644 (file)
--- a/mono/io-layer/mutexes.c
+++ b/mono/io-layer/mutexes.c
@@ -23,9 +23,8 @@
 #undef DEBUG
 
 /* This is used to serialise mutex creation when names are given
- * (FIXME: make it process-shared)
  */
-static mono_mutex_t named_mutex_mutex = MONO_MUTEX_INITIALIZER;
+static mono_mutex_t named_mutex_mutex;
 
 static void mutex_close_shared (gpointer handle);
 static void mutex_signal(gpointer handle);
@@ -44,6 +43,23 @@ static mono_once_t mutex_ops_once=MONO_ONCE_INIT;
 
 static void mutex_ops_init (void)
 {
+       int thr_ret;
+#if defined(_POSIX_THREAD_PROCESS_SHARED) && _POSIX_THREAD_PROCESS_SHARED != -1
+       pthread_mutexattr_t mutex_shared_attr;
+
+       thr_ret = mono_mutexattr_init (&mutex_shared_attr);
+       g_assert (thr_ret == 0);
+
+       thr_ret = mono_mutexattr_setpshared (&mutex_shared_attr,
+                                            PTHREAD_PROCESS_SHARED);
+       g_assert (thr_ret == 0);
+
+       thr_ret = mono_mutex_init (&named_mutex_mutex, &mutex_shared_attr);
+       g_assert (thr_ret == 0);
+#else
+       thr_ret = mono_mutex_init (&named_mutex_mutex, NULL);
+#endif
+
        _wapi_handle_register_capabilities (WAPI_HANDLE_MUTEX,
                                            WAPI_HANDLE_CAP_WAIT |
                                            WAPI_HANDLE_CAP_SIGNAL |