X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fthread%2Fpthread_create.c;h=284b45a0f39c5639e8d7d4c0a1460d235c9e1983;hp=344b39f8d2031694132d88142f0a1786b8b401bc;hb=7fd3995282db788e33f1bfd7eea95b480d45c804;hpb=1ad049b7b60b2c1704b8bb5b94ee4f95d7540b3a

diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c
index 344b39f8..284b45a0 100644
--- a/src/thread/pthread_create.c
+++ b/src/thread/pthread_create.c
@@ -85,7 +85,7 @@ static void rsyscall_handler(int sig, siginfo_t *si, void *ctx)
 	/* Threads which have already decremented themselves from the
 	 * thread count must not increment rs.cnt or otherwise act. */
 	if (self->dead) {
-		sigaddset(&((ucontext_t *)ctx)->uc_sigmask, SIGSYSCALL);
+		sigfillset(&((ucontext_t *)ctx)->uc_sigmask);
 		return;
 	}
 
@@ -151,13 +151,18 @@ static void init_threads()
 	libc.lockfile = __lockfile;
 	libc.cancelpt = cancelpt;
 	libc.rsyscall = rsyscall;
+
+	sigfillset(&sa.sa_mask);
+	sa.sa_sigaction = rsyscall_handler;
+	__libc_sigaction(SIGSYSCALL, &sa, 0);
+
+	sigemptyset(&sa.sa_mask);
 	sa.sa_sigaction = cancel_handler;
 	__libc_sigaction(SIGCANCEL, &sa, 0);
+
 	sigaddset(&sa.sa_mask, SIGSYSCALL);
 	sigaddset(&sa.sa_mask, SIGCANCEL);
-	sa.sa_sigaction = rsyscall_handler;
-	__libc_sigaction(SIGSYSCALL, &sa, 0);
-	sigprocmask(SIG_UNBLOCK, &sa.sa_mask, 0);
+	__libc_sigprocmask(SIG_UNBLOCK, &sa.sa_mask, 0);
 }
 
 static int start(void *p)
@@ -190,7 +195,7 @@ int pthread_create(pthread_t *res, const pthread_attr_t *attr, void *(*entry)(vo
 	unsigned char *map, *stack, *tsd;
 	static const pthread_attr_t default_attr;
 
-	if (!self) return errno = ENOSYS;
+	if (!self) return ENOSYS;
 	if (!init && ++init) init_threads();
 
 	if (!attr) attr = &default_attr;