Commit 63ce8e15 authored by Gonglei's avatar Gonglei Committed by Michael Tokarev

os-posix: change tab to space avoid violating coding style

Cc: Eric Blake <eblake@redhat.com>
Signed-off-by: default avatarGonglei <arei.gonglei@huawei.com>
Reviewed-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarMichael Tokarev <mjt@tls.msk.ru>
parent 59a2c4ce
......@@ -204,45 +204,49 @@ static void change_root(void)
void os_daemonize(void)
{
if (daemonize) {
pid_t pid;
pid_t pid;
if (pipe(fds) == -1)
exit(1);
if (pipe(fds) == -1) {
exit(1);
}
pid = fork();
if (pid > 0) {
uint8_t status;
ssize_t len;
pid = fork();
if (pid > 0) {
uint8_t status;
ssize_t len;
close(fds[1]);
close(fds[1]);
again:
again:
len = read(fds[0], &status, 1);
if (len == -1 && (errno == EINTR))
if (len == -1 && (errno == EINTR)) {
goto again;
if (len != 1)
}
if (len != 1) {
exit(1);
}
else if (status == 1) {
fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno));
exit(1);
} else
} else {
exit(0);
} else if (pid < 0)
exit(1);
close(fds[0]);
qemu_set_cloexec(fds[1]);
}
} else if (pid < 0) {
exit(1);
}
setsid();
close(fds[0]);
qemu_set_cloexec(fds[1]);
pid = fork();
if (pid > 0)
exit(0);
else if (pid < 0)
exit(1);
setsid();
umask(027);
pid = fork();
if (pid > 0) {
exit(0);
} else if (pid < 0) {
exit(1);
}
umask(027);
signal(SIGTSTP, SIG_IGN);
signal(SIGTTOU, SIG_IGN);
......@@ -255,24 +259,25 @@ void os_setup_post(void)
int fd = 0;
if (daemonize) {
uint8_t status = 0;
ssize_t len;
uint8_t status = 0;
ssize_t len;
again1:
len = write(fds[1], &status, 1);
if (len == -1 && (errno == EINTR))
goto again1;
if (len != 1)
exit(1);
len = write(fds[1], &status, 1);
if (len == -1 && (errno == EINTR)) {
goto again1;
}
if (len != 1) {
exit(1);
}
if (chdir("/")) {
perror("not able to chdir to /");
exit(1);
}
TFR(fd = qemu_open("/dev/null", O_RDWR));
if (fd == -1)
exit(1);
TFR(fd = qemu_open("/dev/null", O_RDWR));
if (fd == -1) {
exit(1);
}
}
change_root();
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment