subproc: use SIG_SETMASK to unblock all signals

diff --git a/subproc.c b/subproc.c
index dc860e7eacebd77d70376d237d71a8d1e524b38c..77d895aa713cbae2c8ed1010d57f3bd5463aabb5 100644 (file)
--- a/subproc.c
+++ b/subproc.c
@@ -122,9 +122,9 @@ static bool subprocReset(void)
        }
        /* Unblock all signals */
        sigset_t sset;
-       sigfillset(&sset);
-       if (sigprocmask(SIG_UNBLOCK, &sset, NULL) == -1) {
-               PLOG_W("Couldn't unblock signals via sigprocmask(SIG_UNBLOCK)");
+       sigemptyset(&sset);
+       if (sigprocmask(SIG_SETMASK, &sset, NULL) == -1) {
+               PLOG_W("sigprocmask(SIG_SET, empty)");
                return false;
        }
        return true;