From 61c8ce5bb3f245c365ca7381497b43fd40a987b4 Mon Sep 17 00:00:00 2001 From: Ian Jackson Date: Sun, 6 Dec 2015 01:45:00 +0000 Subject: [PATCH] In signal handler, crash if write() fails in an unexpected way --- statemc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/statemc.c b/statemc.c index cb5139d..b068722 100644 --- a/statemc.c +++ b/statemc.c @@ -546,7 +546,8 @@ static void sigarrived_handler(int signum) { default: abort(); } - write(signal_self_pipe[1],&x,1); + int r = write(signal_self_pipe[1],&x,1); + if (!(r==1 || isewouldblock(errno))) abort(); errno = esave; } -- 2.30.2