Revision eb505be1 vl.c
| b/vl.c | ||
|---|---|---|
| 216 | 216 |
int cursor_hide = 1; |
| 217 | 217 |
int graphic_rotate = 0; |
| 218 | 218 |
uint8_t irq0override = 1; |
| 219 |
#ifndef _WIN32 |
|
| 220 |
int daemonize = 0; |
|
| 221 |
#endif |
|
| 222 | 219 |
const char *watchdog; |
| 223 | 220 |
const char *option_rom[MAX_OPTION_ROMS]; |
| 224 | 221 |
int nb_option_roms; |
| ... | ... | |
| 2301 | 2298 |
const char *loadvm = NULL; |
| 2302 | 2299 |
QEMUMachine *machine; |
| 2303 | 2300 |
const char *cpu_model; |
| 2304 |
#ifndef _WIN32 |
|
| 2305 |
int fds[2]; |
|
| 2306 |
#endif |
|
| 2307 | 2301 |
int tb_size; |
| 2308 | 2302 |
const char *pid_file = NULL; |
| 2309 | 2303 |
const char *incoming = NULL; |
| 2310 |
#ifndef _WIN32 |
|
| 2311 |
int fd = 0; |
|
| 2312 |
#endif |
|
| 2313 | 2304 |
int show_vnc_port = 0; |
| 2314 | 2305 |
int defconfig = 1; |
| 2315 | 2306 |
|
| ... | ... | |
| 2975 | 2966 |
exit(1); |
| 2976 | 2967 |
} |
| 2977 | 2968 |
break; |
| 2978 |
#ifndef _WIN32 |
|
| 2979 |
case QEMU_OPTION_daemonize: |
|
| 2980 |
daemonize = 1; |
|
| 2981 |
break; |
|
| 2982 |
#endif |
|
| 2983 | 2969 |
case QEMU_OPTION_option_rom: |
| 2984 | 2970 |
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
| 2985 | 2971 |
fprintf(stderr, "Too many option ROMs\n"); |
| ... | ... | |
| 3194 | 3180 |
} |
| 3195 | 3181 |
#endif |
| 3196 | 3182 |
|
| 3197 |
#ifndef _WIN32 |
|
| 3198 |
if (daemonize) {
|
|
| 3199 |
pid_t pid; |
|
| 3200 |
|
|
| 3201 |
if (pipe(fds) == -1) |
|
| 3202 |
exit(1); |
|
| 3203 |
|
|
| 3204 |
pid = fork(); |
|
| 3205 |
if (pid > 0) {
|
|
| 3206 |
uint8_t status; |
|
| 3207 |
ssize_t len; |
|
| 3208 |
|
|
| 3209 |
close(fds[1]); |
|
| 3210 |
|
|
| 3211 |
again: |
|
| 3212 |
len = read(fds[0], &status, 1); |
|
| 3213 |
if (len == -1 && (errno == EINTR)) |
|
| 3214 |
goto again; |
|
| 3215 |
|
|
| 3216 |
if (len != 1) |
|
| 3217 |
exit(1); |
|
| 3218 |
else if (status == 1) {
|
|
| 3219 |
fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno)); |
|
| 3220 |
exit(1); |
|
| 3221 |
} else |
|
| 3222 |
exit(0); |
|
| 3223 |
} else if (pid < 0) |
|
| 3224 |
exit(1); |
|
| 3225 |
|
|
| 3226 |
close(fds[0]); |
|
| 3227 |
qemu_set_cloexec(fds[1]); |
|
| 3228 |
|
|
| 3229 |
setsid(); |
|
| 3230 |
|
|
| 3231 |
pid = fork(); |
|
| 3232 |
if (pid > 0) |
|
| 3233 |
exit(0); |
|
| 3234 |
else if (pid < 0) |
|
| 3235 |
exit(1); |
|
| 3236 |
|
|
| 3237 |
umask(027); |
|
| 3238 |
|
|
| 3239 |
signal(SIGTSTP, SIG_IGN); |
|
| 3240 |
signal(SIGTTOU, SIG_IGN); |
|
| 3241 |
signal(SIGTTIN, SIG_IGN); |
|
| 3242 |
} |
|
| 3243 |
#endif |
|
| 3183 |
os_daemonize(); |
|
| 3244 | 3184 |
|
| 3245 | 3185 |
if (pid_file && qemu_create_pidfile(pid_file) != 0) {
|
| 3246 |
#ifndef _WIN32 |
|
| 3247 |
if (daemonize) {
|
|
| 3248 |
uint8_t status = 1; |
|
| 3249 |
if (write(fds[1], &status, 1) != 1) {
|
|
| 3250 |
perror("daemonize. Writing to pipe\n");
|
|
| 3251 |
} |
|
| 3252 |
} else |
|
| 3253 |
#endif |
|
| 3254 |
fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno)); |
|
| 3186 |
os_pidfile_error(); |
|
| 3255 | 3187 |
exit(1); |
| 3256 | 3188 |
} |
| 3257 | 3189 |
|
| ... | ... | |
| 3520 | 3452 |
vm_start(); |
| 3521 | 3453 |
} |
| 3522 | 3454 |
|
| 3523 |
#ifndef _WIN32 |
|
| 3524 |
if (daemonize) {
|
|
| 3525 |
uint8_t status = 0; |
|
| 3526 |
ssize_t len; |
|
| 3527 |
|
|
| 3528 |
again1: |
|
| 3529 |
len = write(fds[1], &status, 1); |
|
| 3530 |
if (len == -1 && (errno == EINTR)) |
|
| 3531 |
goto again1; |
|
| 3532 |
|
|
| 3533 |
if (len != 1) |
|
| 3534 |
exit(1); |
|
| 3535 |
|
|
| 3536 |
if (chdir("/")) {
|
|
| 3537 |
perror("not able to chdir to /");
|
|
| 3538 |
exit(1); |
|
| 3539 |
} |
|
| 3540 |
TFR(fd = qemu_open("/dev/null", O_RDWR));
|
|
| 3541 |
if (fd == -1) |
|
| 3542 |
exit(1); |
|
| 3543 |
} |
|
| 3544 |
|
|
| 3545 |
os_change_root(); |
|
| 3546 |
os_change_process_uid(); |
|
| 3547 |
|
|
| 3548 |
if (daemonize) {
|
|
| 3549 |
dup2(fd, 0); |
|
| 3550 |
dup2(fd, 1); |
|
| 3551 |
dup2(fd, 2); |
|
| 3552 |
|
|
| 3553 |
close(fd); |
|
| 3554 |
} |
|
| 3555 |
#endif |
|
| 3455 |
os_setup_post(); |
|
| 3556 | 3456 |
|
| 3557 | 3457 |
main_loop(); |
| 3558 | 3458 |
quit_timers(); |
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