Stop sys_sigprocmask from dying with assertion failures.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3368

diff --git a/coregrind/vg_syscalls.c b/coregrind/vg_syscalls.c
index 6795942a97256550a73d48d3371dbb3726cddc37..875674f8ceb7c0115d85065e90426b9f76e390cb 100644 (file)
--- a/coregrind/vg_syscalls.c
+++ b/coregrind/vg_syscalls.c
@@ -5235,6 +5235,7 @@ PRE(sys_sigprocmask, Special)
                              ARG1 /*how*/, 
                              set ? &bigger_set : NULL,
                              oldset ? &bigger_oldset : NULL);
+   SET_RESULT(RES);
 
    if (oldset)
       *oldset = bigger_oldset.sig[0];