Some more error checking just to be sure - sinit - suckless init
(HTM) git clone git://git.suckless.org/sinit
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---
(DIR) commit 9ad5329913cf99e5498ddff228d5906f9570e28b
(DIR) parent 76b2240e1587129d4baefaffb738332440e20290
(HTM) Author: sin <sin@2f30.org>
Date: Fri, 7 Feb 2014 16:46:16 +0000
Some more error checking just to be sure
Diffstat:
M sinit.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
---
(DIR) diff --git a/sinit.c b/sinit.c
@@ -54,10 +54,13 @@ main(void)
return EXIT_FAILURE;
setsid();
- sigemptyset(&sigset);
+ if (sigemptyset(&sigset) < 0)
+ eprintf("sinit: sigemptyset:");
for (i = 0; i < LEN(dispatchsig); i++)
- sigaddset(&sigset, dispatchsig[i].sig);
- sigprocmask(SIG_BLOCK, &sigset, NULL);
+ if (sigaddset(&sigset, dispatchsig[i].sig) < 0)
+ eprintf("sinit: sigaddset:");
+ if (sigprocmask(SIG_BLOCK, &sigset, NULL) < 0)
+ eprintf("sinit: sigprocmask:");
sigfd = signalfd(-1, &sigset, 0);
if (sigfd < 0)
@@ -74,8 +77,8 @@ main(void)
if (ret > 0) {
if (FD_ISSET(sigfd, &rfds)) {
n = read(sigfd, &siginfo, sizeof(siginfo));
- if (n <= 0)
- continue;
+ if (n < 0)
+ eprintf("sinit: read:");
for (i = 0; i < LEN(dispatchsig); i++)
if (dispatchsig[i].sig == siginfo.ssi_signo)
dispatchsig[i].func();