/* We need a blocking fd here since we'd otherwise lose
messages way too early. However, let's not hang forever in the
unlikely case of a deadlock. */
- timeval_store(&tv, 1*USEC_PER_MINUTE);
+ if (getpid() == 1)
+ timeval_store(&tv, 10 * USEC_PER_MSEC);
+ else
+ timeval_store(&tv, 10 * USEC_PER_SEC);
setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv));
return fd;
log_close_journal();
log_close_syslog();
- /* Get the real /dev/console if we are PID=1, hence reopen */
- log_close_console();
return log_open_console();
}
IOVEC_SET_STRING(iovec[n++], ANSI_HIGHLIGHT_OFF);
IOVEC_SET_STRING(iovec[n++], "\n");
- if (writev(console_fd, iovec, n) < 0)
- return -errno;
+ if (writev(console_fd, iovec, n) < 0) {
+
+ if (errno == EIO && getpid() == 1) {
+
+ /* If somebody tried to kick us from our
+ * console tty (via vhangup() or suchlike),
+ * try to reconnect */
+
+ log_close_console();
+ log_open_console();
+
+ if (console_fd < 0)
+ return 0;
+
+ if (writev(console_fd, iovec, n) < 0)
+ return -errno;
+ } else
+ return -errno;
+ }
return 1;
}
}
#pragma GCC diagnostic pop
-_noreturn_ void log_assert_failed(const char *text, const char *file, int line, const char *func) {
+noreturn void log_assert_failed(const char *text, const char *file, int line, const char *func) {
log_assert(LOG_CRIT, text, file, line, func, "Assertion '%s' failed at %s:%u, function %s(). Aborting.");
abort();
}
-_noreturn_ void log_assert_failed_unreachable(const char *text, const char *file, int line, const char *func) {
+noreturn void log_assert_failed_unreachable(const char *text, const char *file, int line, const char *func) {
log_assert(LOG_CRIT, text, file, line, func, "Code should not be reached '%s' at %s:%u, function %s(). Aborting.");
abort();
}
}
void log_parse_environment(void) {
+ _cleanup_free_ char *line = NULL;
const char *e;
+ int r;
+
+ r = proc_cmdline(&line);
+ if (r < 0)
+ log_warning("Failed to read /proc/cmdline. Ignoring: %s", strerror(-r));
+ else if (r > 0) {
+ char *w, *state;
+ size_t l;
+
+ FOREACH_WORD_QUOTED(w, l, line, state) {
+ if (l == 5 && startswith(w, "debug")) {
+ log_set_max_level(LOG_DEBUG);
+ break;
+ }
+ }
+ }
e = secure_getenv("SYSTEMD_LOG_TARGET");
if (e && log_set_target_from_string(e) < 0)