Ignore signals in all but the main thread.

[tinc] / src / threads.h

diff --git a/src/threads.h b/src/threads.h
index 85aaced..3ec8c68 100644 (file)
--- a/src/threads.h
+++ b/src/threads.h
@@ -29,7 +29,14 @@ typedef pthread_t thread_t;
 typedef pthread_mutex_t mutex_t;
 
 static inline bool thread_create(thread_t *tid, void (*func)(void *), void *arg) {
-       return !pthread_create(tid, NULL, (void *(*)(void *))func, arg);
+       bool result;
+
+       sigset_t old, block;
+       sigfillset(&block);
+       pthread_sigmask(SIG_SETMASK, &block, &old);
+       result = pthread_create(tid, NULL, (void *(*)(void *))func, arg);
+       pthread_sigmask(SIG_SETMASK, &old, NULL);
+       return !result;
 }
 static inline void thread_destroy(thread_t *tid) {
        pthread_cancel(*tid);