along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <time.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/socket.h>
+#include "fileio.h"
#include "journald-server.h"
#include "journald-console.h"
+static bool prefix_timestamp(void) {
+
+ static int cached_printk_time = -1;
+
+ if (_unlikely_(cached_printk_time < 0)) {
+ _cleanup_free_ char *p = NULL;
+
+ cached_printk_time =
+ read_one_line_file("/sys/module/printk/parameters/time", &p) >= 0
+ && parse_boolean(p) > 0;
+ }
+
+ return cached_printk_time;
+}
+
void server_forward_console(
Server *s,
int priority,
const char *message,
struct ucred *ucred) {
- struct iovec iovec[4];
+ struct iovec iovec[5];
char header_pid[16];
+ struct timespec ts;
+ char tbuf[4 + DECIMAL_STR_MAX(ts.tv_sec) + DECIMAL_STR_MAX(ts.tv_nsec)-3 + 1];
int n = 0, fd;
- char *ident_buf = NULL;
+ _cleanup_free_ char *ident_buf = NULL;
const char *tty;
assert(s);
if (LOG_PRI(priority) > s->max_level_console)
return;
- /* First: identifier and PID */
+ /* First: timestamp */
+ if (prefix_timestamp()) {
+ assert_se(clock_gettime(CLOCK_MONOTONIC, &ts) == 0);
+ snprintf(tbuf, sizeof(tbuf), "[%5llu.%06llu] ",
+ (unsigned long long) ts.tv_sec,
+ (unsigned long long) ts.tv_nsec / 1000);
+ IOVEC_SET_STRING(iovec[n++], tbuf);
+ }
+
+ /* Second: identifier and PID */
if (ucred) {
if (!identifier) {
get_process_comm(ucred->pid, &ident_buf);
IOVEC_SET_STRING(iovec[n++], ": ");
}
- /* Third: message */
+ /* Fourth: message */
IOVEC_SET_STRING(iovec[n++], message);
IOVEC_SET_STRING(iovec[n++], "\n");
fd = open_terminal(tty, O_WRONLY|O_NOCTTY|O_CLOEXEC);
if (fd < 0) {
- log_debug("Failed to open %s for logging: %s", tty, strerror(errno));
- goto finish;
+ log_debug("Failed to open %s for logging: %m", tty);
+ return;
}
if (writev(fd, iovec, n) < 0)
- log_debug("Failed to write to %s for logging: %s", tty, strerror(errno));
-
- close_nointr_nofail(fd);
+ log_debug("Failed to write to %s for logging: %m", tty);
-finish:
- free(ident_buf);
+ safe_close(fd);
}