identifier = ident_buf;
}
- snprintf(header_pid, sizeof(header_pid), "[%lu]: ", (unsigned long) ucred->pid);
+ snprintf(header_pid, sizeof(header_pid), "["PID_FMT"]: ", ucred->pid);
char_array_0(header_pid);
if (identifier)
s->dev_kmsg_fd = open("/dev/kmsg", O_RDWR|O_CLOEXEC|O_NONBLOCK|O_NOCTTY);
if (s->dev_kmsg_fd < 0) {
- log_warning("Failed to open /dev/kmsg, ignoring: %m");
+ log_full(errno == ENOENT ? LOG_DEBUG : LOG_WARNING,
+ "Failed to open /dev/kmsg, ignoring: %m");
return 0;
}
- r = sd_event_add_io(s->event, s->dev_kmsg_fd, EPOLLIN, dispatch_dev_kmsg, s, &s->dev_kmsg_event_source);
+ r = sd_event_add_io(s->event, &s->dev_kmsg_event_source, s->dev_kmsg_fd, EPOLLIN, dispatch_dev_kmsg, s);
if (r < 0) {
/* This will fail with EPERM on older kernels where
* /dev/kmsg is not readable. */
- if (r == -EPERM)
- return 0;
+ if (r == -EPERM) {
+ r = 0;
+ goto fail;
+ }
log_error("Failed to add /dev/kmsg fd to event loop: %s", strerror(-r));
- return -errno;
+ goto fail;
}
r = sd_event_source_set_priority(s->dev_kmsg_event_source, SD_EVENT_PRIORITY_IMPORTANT+10);
if (r < 0) {
log_error("Failed to adjust priority of kmsg event source: %s", strerror(-r));
- return -errno;
+ goto fail;
}
s->dev_kmsg_readable = true;
return 0;
+
+fail:
+ s->dev_kmsg_event_source = sd_event_source_unref(s->dev_kmsg_event_source);
+ s->dev_kmsg_fd = safe_close(s->dev_kmsg_fd);
+
+ return r;
}
int server_open_kernel_seqnum(Server *s) {
- int fd;
+ _cleanup_close_ int fd;
uint64_t *p;
assert(s);
if (posix_fallocate(fd, 0, sizeof(uint64_t)) < 0) {
log_error("Failed to allocate sequential number file, ignoring: %m");
- close_nointr_nofail(fd);
return 0;
}
p = mmap(NULL, sizeof(uint64_t), PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
if (p == MAP_FAILED) {
log_error("Failed to map sequential number file, ignoring: %m");
- close_nointr_nofail(fd);
return 0;
}
- close_nointr_nofail(fd);
s->kernel_seqnum = p;
return 0;