diff options
Diffstat (limited to 'qga')
| -rw-r--r-- | qga/commands-posix.c | 43 |
1 files changed, 3 insertions, 40 deletions
diff --git a/qga/commands-posix.c b/qga/commands-posix.c index cb9eed9..545f3c9 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -279,21 +279,9 @@ void qmp_guest_shutdown(const char *mode, Error **errp) void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) { int ret; - int status; - pid_t pid; Error *local_err = NULL; struct timeval tv; - static const char hwclock_path[] = "/sbin/hwclock"; - static int hwclock_available = -1; - - if (hwclock_available < 0) { - hwclock_available = (access(hwclock_path, X_OK) == 0); - } - - if (!hwclock_available) { - error_setg(errp, QERR_UNSUPPORTED); - return; - } + const char *argv[] = {"/sbin/hwclock", has_time ? "-w" : "-s", NULL}; /* If user has passed a time, validate and set it. */ if (has_time) { @@ -324,37 +312,12 @@ void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) * just need to synchronize the hardware clock. However, if no time was * passed, user is requesting the opposite: set the system time from the * hardware clock (RTC). */ - pid = fork(); - if (pid == 0) { - setsid(); - reopen_fd_to_null(0); - reopen_fd_to_null(1); - reopen_fd_to_null(2); - - /* Use '/sbin/hwclock -w' to set RTC from the system time, - * or '/sbin/hwclock -s' to set the system time from RTC. */ - execl(hwclock_path, "hwclock", has_time ? "-w" : "-s", NULL); - _exit(EXIT_FAILURE); - } else if (pid < 0) { - error_setg_errno(errp, errno, "failed to create child process"); - return; - } - - ga_wait_child(pid, &status, &local_err); + ga_run_command(argv, NULL, "set hardware clock to system time", + &local_err); if (local_err) { error_propagate(errp, local_err); return; } - - if (!WIFEXITED(status)) { - error_setg(errp, "child process has terminated abnormally"); - return; - } - - if (WEXITSTATUS(status)) { - error_setg(errp, "hwclock failed to set hardware clock to system time"); - return; - } } typedef enum { |