swc

commit 9bb3730926364b9bf35e13f080e98d18d4722e19
parent 1fafc789212d4b0f763994407de9bb1f6ffa5497
Author: Michael Forney <mforney@mforney.org>
Date:   Wed, 14 Nov 2018 00:08:23 -0800

launch: Don't need to reset signals to default

Signals with handlers will automatically reset to default, and we don't
ignore any signals.

Diffstat:
M
launch/launch.c
 | 
9
+--------

1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/launch/launch.c b/launch/launch.c
@@ -488,18 +488,11 @@ main(int argc, char *argv[])
 	sprintf(buf, "%d", sock[1]);
 	setenv(SWC_LAUNCH_SOCKET_ENV, buf, 1);
 
-	if (posix_spawnattr_setflags(&attr, POSIX_SPAWN_RESETIDS | POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK) != 0)
+	if (posix_spawnattr_setflags(&attr, POSIX_SPAWN_RESETIDS|POSIX_SPAWN_SETSIGMASK) != 0)
 		die("failed to set spawnattr flags:");
 	sigemptyset(&set);
 	if (posix_spawnattr_setsigmask(&attr, &set) != 0)
 		die("failed to set spawnattr sigmask:");
-	sigaddset(&set, SIGCHLD);
-	sigaddset(&set, SIGUSR1);
-	sigaddset(&set, SIGUSR2);
-	sigaddset(&set, SIGINT);
-	sigaddset(&set, SIGTERM);
-	if (posix_spawnattr_setsigdefault(&attr, &set) != 0)
-		die("failed to set spawnattr sigdefault:");
 	if (posix_spawnp(&child_pid, argv[optind], NULL, &attr, argv + optind, environ) != 0)
 		die("failed to spawn server:");