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Diffstat (limited to 'src/log.c')
-rw-r--r--src/log.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/src/log.c b/src/log.c
index 5c5b734f2f..4f57821da3 100644
--- a/src/log.c
+++ b/src/log.c
@@ -118,6 +118,9 @@ static int create_log_socket(int type) {
struct timeval tv;
int fd;
+ if (getpid() == 1)
+ /* systemd should not block on syslog */
+ type |= SOCK_NONBLOCK;
if ((fd = socket(AF_UNIX, type|SOCK_CLOEXEC, 0)) < 0)
return -errno;
@@ -330,7 +333,8 @@ static int write_to_syslog(
for (;;) {
ssize_t n;
- if ((n = sendmsg(syslog_fd, &msghdr, MSG_NOSIGNAL)) < 0)
+ n = sendmsg(syslog_fd, &msghdr, MSG_NOSIGNAL);
+ if (n < 0)
return -errno;
if (!syslog_is_stream ||
@@ -407,8 +411,10 @@ static int log_dispatch(
log_target == LOG_TARGET_SYSLOG_OR_KMSG ||
log_target == LOG_TARGET_SYSLOG) {
- if ((k = write_to_syslog(level, file, line, func, buffer)) < 0) {
- log_close_syslog();
+ k = write_to_syslog(level, file, line, func, buffer);
+ if (k < 0) {
+ if (k != -EAGAIN)
+ log_close_syslog();
log_open_kmsg();
} else if (k > 0)
r++;
@@ -419,16 +425,19 @@ static int log_dispatch(
log_target == LOG_TARGET_SYSLOG_OR_KMSG ||
log_target == LOG_TARGET_KMSG)) {
- if ((k = write_to_kmsg(level, file, line, func, buffer)) < 0) {
+ k = write_to_kmsg(level, file, line, func, buffer);
+ if (k < 0) {
log_close_kmsg();
log_open_console();
} else if (k > 0)
r++;
}
- if (k <= 0 &&
- (k = write_to_console(level, file, line, func, buffer)) < 0)
- return k;
+ if (k <= 0) {
+ k = write_to_console(level, file, line, func, buffer);
+ if (k < 0)
+ return k;
+ }
buffer = e;
} while (buffer);