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authorJune McEnroe <june@causal.agency>2020-10-11 18:32:11 -0400
committerJune McEnroe <june@causal.agency>2020-10-11 18:32:11 -0400
commitbe3aa8c9a8bb40cbbaefc2b91ebaee70fc64e4b1 (patch)
treedf5e8f26cdd687a61b835c806d5ef2481d2539d1
parentFix possibliy uninitialized error (diff)
downloadpounce-be3aa8c9a8bb40cbbaefc2b91ebaee70fc64e4b1.tar.gz
pounce-be3aa8c9a8bb40cbbaefc2b91ebaee70fc64e4b1.zip
Handle signals before the main loop
This is a long-standing issue I ignored.
Diffstat (limited to '')
-rw-r--r--bounce.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/bounce.c b/bounce.c
index b2764e2..381e334 100644
--- a/bounce.c
+++ b/bounce.c
@@ -68,6 +68,9 @@ static volatile sig_atomic_t signals[NSIG];
 static void signalHandler(int signal) {
 	signals[signal] = 1;
 }
+static void justExit(int signal) {
+	exit(128 + signal);
+}
 
 static struct {
 	struct pollfd *fds;
@@ -350,6 +353,12 @@ int main(int argc, char *argv[]) {
 	if (error) err(EX_OSERR, "pledge");
 #endif
 
+	// Either exit with cleanup or ignore signals until entering the main loop.
+	signal(SIGINT, justExit);
+	signal(SIGTERM, justExit);
+	signal(SIGINFO, SIG_IGN);
+	signal(SIGUSR1, SIG_IGN);
+
 	ringAlloc(ringSize);
 	if (savePath) saveLoad(savePath);