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Use sigaction in sandman

weechat-hashes
Curtis McEnroe 2018-12-01 10:28:00 -05:00
parent 414f928ac5
commit e708b795b5
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1 changed files with 10 additions and 3 deletions
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13
sandman.m
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@ -21,11 +21,11 @@
#import <sysexits.h> #import <sysexits.h>
#import <unistd.h> #import <unistd.h>
void sigchld(int sig) { void handler(int sig) {
(void)sig; (void)sig;
int status; int status;
pid_t pid = wait(&status); pid_t pid = wait(&status);
if (pid < 0) err(EX_OSERR, "wait"); if (pid < 0) _exit(EX_OSERR);
if (WIFSIGNALED(status)) { if (WIFSIGNALED(status)) {
_exit(128 + WTERMSIG(status)); _exit(128 + WTERMSIG(status));
} else { } else {
@ -36,7 +36,14 @@ void sigchld(int sig) {
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
if (argc < 2) return EX_USAGE; if (argc < 2) return EX_USAGE;
signal(SIGCHLD, sigchld); sigset_t mask;
sigemptyset(&mask);
struct sigaction sa = {
.sa_handler = handler,
.sa_mask = mask,
.sa_flags = SA_RESTART,
};
sigaction(SIGCHLD, &sa, NULL);
pid_t pid = fork(); pid_t pid = fork();
if (pid < 0) err(EX_OSERR, "fork"); if (pid < 0) err(EX_OSERR, "fork");