Implementace vyhradniho rezimu

[mirrors/Programs.git] / c / pthread_extra / pthread_user_data.c

diff --git a/c/pthread_extra/pthread_user_data.c b/c/pthread_extra/pthread_user_data.c
index e0ba979be0c90751aac8e92429e31f162d6290d3..cf97a652f6d1c973aa06f9920c2e0643cb17ae63 100644 (file)
--- a/c/pthread_extra/pthread_user_data.c
+++ b/c/pthread_extra/pthread_user_data.c
@@ -7,7 +7,7 @@
 //Static array with user data for all thread handles
 //TODO: perhaps use something more sophisticated like linked list?
 pthread_user_data_internal_t pthread_user_data[PTHREAD_XTHREADS_MAX+1] = {{.tid=PTHREAD_XNULL}};
-pthread_mutex_t pthread_user_data_mutex = PTHREAD_MUTEX_INITIALIZER;
+pthread_mutex_t pthread_user_data_mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
 
 int pthread_user_data_lock() {
        pthread_pause_disable();
@@ -48,6 +48,19 @@ pthread_user_data_internal_t* pthread_user_data_internal(pthread_t thread) {
        return &pthread_user_data[i];
 }
 
+//Iterate specified callback over all registered threads
+int pthread_user_data_internal_iterate(int (*routine)(pthread_t), void *arg) {
+       (void) arg;
+       int i;
+       pthread_user_data_lock();
+       for(i = 0; i<PTHREAD_XTHREADS_MAX; i++) {
+               if(pthread_equal(pthread_user_data[i].tid, PTHREAD_XNULL)) break;
+               routine(pthread_user_data[i].tid);
+       }
+       pthread_user_data_unlock();
+       return i;
+}
+
 //Get pointer to user specified pointer of that thread
 void** pthread_user_data_ptr(pthread_t thread) {
        return &pthread_user_data_internal(thread)->usr;