os-posix: change tab to space avoid violating coding style
Cc: Eric Blake <eblake@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/os-posix.c b/os-posix.c
index cb2a7f7..f0564ef 100644
--- a/os-posix.c
+++ b/os-posix.c
@@ -204,45 +204,49 @@
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)
+ }
+ } else if (pid < 0) {
+ exit(1);
+ }
+
+ close(fds[0]);
+ qemu_set_cloexec(fds[1]);
+
+ setsid();
+
+ pid = fork();
+ if (pid > 0) {
+ exit(0);
+ } else if (pid < 0) {
exit(1);
-
- close(fds[0]);
- qemu_set_cloexec(fds[1]);
-
- setsid();
-
- pid = fork();
- if (pid > 0)
- exit(0);
- else if (pid < 0)
- exit(1);
-
- umask(027);
+ }
+ umask(027);
signal(SIGTSTP, SIG_IGN);
signal(SIGTTOU, SIG_IGN);
@@ -255,24 +259,25 @@
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();
