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udevd: init signal pipe before daemonizing

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This commit is contained in:
Sergey Vlasov 2007-01-21 22:51:53 +01:00 committed by Kay Sievers
parent ede9b54171
commit ff2eecef88
1 changed files with 29 additions and 29 deletions
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58
udevd.c
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@ -1006,6 +1006,35 @@ int main(int argc, char *argv[], char *envp[])
goto exit;
}
/* setup signal handler pipe */
retval = pipe(signal_pipe);
if (retval < 0) {
err("error getting pipes: %s", strerror(errno));
goto exit;
}
retval = fcntl(signal_pipe[READ_END], F_GETFL, 0);
if (retval < 0) {
err("error fcntl on read pipe: %s", strerror(errno));
goto exit;
}
retval = fcntl(signal_pipe[READ_END], F_SETFL, retval | O_NONBLOCK);
if (retval < 0) {
err("error fcntl on read pipe: %s", strerror(errno));
goto exit;
}
retval = fcntl(signal_pipe[WRITE_END], F_GETFL, 0);
if (retval < 0) {
err("error fcntl on write pipe: %s", strerror(errno));
goto exit;
}
retval = fcntl(signal_pipe[WRITE_END], F_SETFL, retval | O_NONBLOCK);
if (retval < 0) {
err("error fcntl on write pipe: %s", strerror(errno));
goto exit;
}
/* parse the rules and keep them in memory */
sysfs_init();
udev_rules_init(&rules, 1);
@ -1062,35 +1091,6 @@ int main(int argc, char *argv[], char *envp[])
close(fd);
}
/* setup signal handler pipe */
retval = pipe(signal_pipe);
if (retval < 0) {
err("error getting pipes: %s", strerror(errno));
goto exit;
}
retval = fcntl(signal_pipe[READ_END], F_GETFL, 0);
if (retval < 0) {
err("error fcntl on read pipe: %s", strerror(errno));
goto exit;
}
retval = fcntl(signal_pipe[READ_END], F_SETFL, retval | O_NONBLOCK);
if (retval < 0) {
err("error fcntl on read pipe: %s", strerror(errno));
goto exit;
}
retval = fcntl(signal_pipe[WRITE_END], F_GETFL, 0);
if (retval < 0) {
err("error fcntl on write pipe: %s", strerror(errno));
goto exit;
}
retval = fcntl(signal_pipe[WRITE_END], F_SETFL, retval | O_NONBLOCK);
if (retval < 0) {
err("error fcntl on write pipe: %s", strerror(errno));
goto exit;
}
/* set signal handlers */
memset(&act, 0x00, sizeof(struct sigaction));
act.sa_handler = (void (*)(int)) sig_handler;