Added preliminary Symbian support.

[silc.git] / lib / silcutil / unix / silcunixthread.c

diff --git a/lib/silcutil/unix/silcunixthread.c b/lib/silcutil/unix/silcunixthread.c
index 099d75d934865fc8846e2326482a7f232c8c1c3e..7f52de901daca7baafd9d1c1bca4aaf949e52ad3 100644 (file)
--- a/lib/silcutil/unix/silcunixthread.c
+++ b/lib/silcutil/unix/silcunixthread.c
@@ -4,12 +4,12 @@
 
   Author: Pekka Riikonen <priikone@silcnet.org>
 
-  Copyright (C) 2001 - 2005 Pekka Riikonen
+  Copyright (C) 2001 - 2006 Pekka Riikonen
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.
-  
+
   This program 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
@@ -20,6 +20,8 @@
 
 #include "silc.h"
 
+/**************************** SILC Thread API *******************************/
+
 SilcThread silc_thread_create(SilcThreadStart start_func, void *context,
                              SilcBool waitable)
 {
@@ -39,14 +41,14 @@ SilcThread silc_thread_create(SilcThreadStart start_func, void *context,
   }
 
   if (pthread_attr_setdetachstate(&attr,
-                                 waitable ? PTHREAD_CREATE_JOINABLE : 
+                                 waitable ? PTHREAD_CREATE_JOINABLE :
                                  PTHREAD_CREATE_DETACHED)) {
     SILC_LOG_ERROR(("Thread error: %s", strerror(errno)));
     pthread_attr_destroy(&attr);
     return NULL;
   }
 
-  ret = pthread_create(&thread, &attr, (void * (*)(void *))start_func, 
+  ret = pthread_create(&thread, &attr, (void * (*)(void *))start_func,
                       context);
   if (ret) {
     SILC_LOG_ERROR(("Thread error: %s", strerror(errno)));
@@ -94,3 +96,139 @@ SilcBool silc_thread_wait(SilcThread thread, void **exit_value)
   return FALSE;
 #endif
 }
+
+
+/***************************** SILC Mutex API *******************************/
+
+/* SILC Mutex structure */
+struct SilcMutexStruct {
+#ifdef SILC_THREADS
+  pthread_mutex_t mutex;
+#endif /* SILC_THREADS */
+  unsigned int locked : 1;
+};
+
+SilcBool silc_mutex_alloc(SilcMutex *mutex)
+{
+#ifdef SILC_THREADS
+  *mutex = silc_calloc(1, sizeof(**mutex));
+  if (*mutex == NULL)
+    return FALSE;
+  pthread_mutex_init(&(*mutex)->mutex, NULL);
+  (*mutex)->locked = FALSE;
+  return TRUE;
+#else
+  return FALSE;
+#endif /* SILC_THREADS */
+}
+
+void silc_mutex_free(SilcMutex mutex)
+{
+#ifdef SILC_THREADS
+  if (mutex) {
+    pthread_mutex_destroy(&mutex->mutex);
+    silc_free(mutex);
+  }
+#endif /* SILC_THREADS */
+}
+
+void silc_mutex_lock(SilcMutex mutex)
+{
+#ifdef SILC_THREADS
+  if (mutex) {
+    if (pthread_mutex_lock(&mutex->mutex))
+      SILC_ASSERT(FALSE);
+    mutex->locked = TRUE;
+  }
+#endif /* SILC_THREADS */
+}
+
+void silc_mutex_unlock(SilcMutex mutex)
+{
+#ifdef SILC_THREADS
+  if (mutex) {
+    if (pthread_mutex_unlock(&mutex->mutex))
+      SILC_ASSERT(FALSE);
+    mutex->locked = FALSE;
+  }
+#endif /* SILC_THREADS */
+}
+
+void silc_mutex_assert_locked(SilcMutex mutex)
+{
+#ifdef SILC_THREADS
+  if (mutex)
+    SILC_ASSERT(mutex->locked);
+#endif /* SILC_THREADS */
+}
+
+
+/****************************** SILC Cond API *******************************/
+
+/* SILC Conditional Variable context */
+struct SilcCondStruct {
+#ifdef SILC_THREADS
+  pthread_cond_t cond;
+#else
+  void *tmp;
+#endif /* SILC_THREADS*/
+};
+
+SilcBool silc_cond_alloc(SilcCond *cond)
+{
+#ifdef SILC_THREADS
+  *cond = silc_calloc(1, sizeof(**cond));
+  if (*cond == NULL)
+    return FALSE;
+  pthread_cond_init(&(*cond)->cond, NULL);
+  return TRUE;
+#else
+  return FALSE;
+#endif /* SILC_THREADS*/
+}
+
+void silc_cond_free(SilcCond cond)
+{
+#ifdef SILC_THREADS
+  pthread_cond_destroy(&cond->cond);
+  silc_free(cond);
+#endif /* SILC_THREADS*/
+}
+
+void silc_cond_signal(SilcCond cond)
+{
+#ifdef SILC_THREADS
+  pthread_cond_signal(&cond->cond);
+#endif /* SILC_THREADS*/
+}
+
+void silc_cond_broadcast(SilcCond cond)
+{
+#ifdef SILC_THREADS
+  pthread_cond_broadcast(&cond->cond);
+#endif /* SILC_THREADS*/
+}
+
+void silc_cond_wait(SilcCond cond, SilcMutex mutex)
+{
+#ifdef SILC_THREADS
+  pthread_cond_wait(&cond->cond, &mutex->mutex);
+#endif /* SILC_THREADS*/
+}
+
+SilcBool silc_cond_timedwait(SilcCond cond, SilcMutex mutex,
+                            int timeout)
+{
+#ifdef SILC_THREADS
+  struct timespec t;
+  if (timeout) {
+    t.tv_sec = timeout / 1000;
+    t.tv_nsec = (timeout % 1000) * 1000;
+    return pthread_cond_timedwait(&cond->cond, &mutex->mutex, &t) == 0;
+  }
+
+  return pthread_cond_wait(&cond->cond, &mutex->mutex) == 0;
+#else
+  return FALSE;
+#endif /* SILC_THREADS*/
+}