proc_thread: Fix init check

Author: abb128

src/proc_thread.c

@@ -33,9 +33,13 @@ struct ProcThread_i {
     volatile bool terminating;
     volatile int flags;
 
+    bool thrd_init;
     thrd_t thrd;
 
+    bool cond_init;
     cnd_t cond;
+
+    bool mutex_init;
     mtx_t mutex;
 
     ProcThreadCallback callback;
@@ -54,18 +58,24 @@ ProcThread pt_create(ProcThreadCallback callback, void *userdata) {
         LOG_WARNING("Failed to initialize cnd_t");
         pt_free(thread);
         return NULL;
+    }else{
+        thread->cond_init = true;
     }
 
     if(mtx_init(&thread->mutex, mtx_plain) != thrd_success){
         LOG_WARNING("Failed to initialize mutex");
         pt_free(thread);
         return NULL;
+    }else{
+        thread->mutex_init = true;
     }
 
     if(thrd_create(&thread->thrd, run_pt, thread) != thrd_success) {
         LOG_WARNING("Failed to start thread");
         pt_free(thread);
         return NULL;
+    }else{
+        thread->thrd_init = true;
     }
 
     return thread;
@@ -108,15 +118,15 @@ void pt_terminate(ProcThread thread) {
 void pt_free(ProcThread thread) {
     if(thread == NULL) return;
 
-    if((thread->thrd != NULL) && (thread->mutex != NULL)){
+    if(thread->thrd_init && thread->mutex_init && thread->cond_init){
         pt_terminate(thread);
     }
 
-    if(thread->mutex != NULL){
+    if(thread->mutex_init){
         mtx_destroy(&thread->mutex);
     }
 
-    if(thread->cond != NULL){
+    if(thread->cond_init){
         cnd_destroy(&thread->cond);
     }