evtp: Don't inherit signal mask in worker threads

Thanks to Marc Lehmann for pointing out this problem and suggesting the
fix: http://lists.schmorp.de/pipermail/libev/2014q2/002368.html

1 files changed, 9 insertions, 1 deletions

diff --git a/evtp.c b/evtp.c
index eade2d1..b5e2596 100644
--- a/evtp.c
+++ b/evtp.c
@@ -32,6 +32,7 @@
 #include <errno.h>
 #include <assert.h>
 #include <pthread.h>
+#include <signal.h>
 
 
 typedef struct evtp_queue_t {
@@ -161,11 +162,18 @@ static int evtp_spawn(evtp_t *tp) {
 		tp->kill--;
 		return 1;
 	}
-	pthread_t thread;
 	pthread_attr_t attr;
 	pthread_attr_init(&attr);
 	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+
+	sigset_t fullset, oldset;
+	sigfillset(&fullset);
+
+	pthread_t thread;
+	pthread_sigmask(SIG_SETMASK, &fullset, &oldset);
 	int r = pthread_create(&thread, &attr, evtp_thread, tp);
+	pthread_sigmask(SIG_SETMASK, &oldset, NULL);
+
 	if(r) {
 		errno = r;
 		return tp->threads ? 0 : -1;