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authorC. McEnroe <june@causal.agency>2020-10-11 18:32:11 -0400
committerC. 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.
-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);