Imported Upstream version 1.3upstream/1.3

1 files changed, 8 insertions, 0 deletions

diff --git a/src/pkg/runtime/cgo/gcc_linux_arm.c b/src/pkg/runtime/cgo/gcc_linux_arm.c
index 9a6e58594..032568155 100644
--- a/src/pkg/runtime/cgo/gcc_linux_arm.c
+++ b/src/pkg/runtime/cgo/gcc_linux_arm.c
@@ -4,6 +4,7 @@
 
 #include <pthread.h>
 #include <string.h>
+#include <signal.h>
 #include "libcgo.h"
 
 static void *threadentry(void*);
@@ -28,10 +29,14 @@ void
 _cgo_sys_thread_start(ThreadStart *ts)
 {
 	pthread_attr_t attr;
+	sigset_t ign, oset;
 	pthread_t p;
 	size_t size;
 	int err;
 
+	sigfillset(&ign);
+	pthread_sigmask(SIG_SETMASK, &ign, &oset);
+
 	// Not sure why the memset is necessary here,
 	// but without it, we get a bogus stack size
 	// out of pthread_attr_getstacksize.  C'est la Linux.
@@ -41,6 +46,9 @@ _cgo_sys_thread_start(ThreadStart *ts)
 	pthread_attr_getstacksize(&attr, &size);
 	ts->g->stackguard = size;
 	err = pthread_create(&p, &attr, threadentry, ts);
+
+	pthread_sigmask(SIG_SETMASK, &oset, nil);
+
 	if (err != 0) {
 		fprintf(stderr, "runtime/cgo: pthread_create failed: %s\n", strerror(err));
 		abort();