* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
*/
-#include "busybox.h"
-#include <sys/syslog.h>
+#include "libbb.h"
+#include <syslog.h>
#include <sys/klog.h>
static void klogd_signal(int sig ATTRIBUTE_UNUSED)
{
klogctl(7, NULL, 0);
- klogctl(0, 0, 0);
- syslog(LOG_NOTICE, "Kernel log daemon exiting");
- exit(EXIT_SUCCESS);
+ klogctl(0, NULL, 0);
+ syslog(LOG_NOTICE, "klogd: exiting");
+ kill_myself_with_sig(sig);
}
-#define OPT_LEVEL 1
-#define OPT_FOREGROUND 2
-
-#define KLOGD_LOGBUF_SIZE BUFSIZ
#define log_buffer bb_common_bufsiz1
-
-int klogd_main(int argc, char **argv);
-int klogd_main(int argc, char **argv)
+enum {
+ KLOGD_LOGBUF_SIZE = sizeof(log_buffer),
+ OPT_LEVEL = (1 << 0),
+ OPT_FOREGROUND = (1 << 1),
+};
+
+int klogd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int klogd_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
int i = i; /* silence gcc */
char *start;
/* do normal option parsing */
- getopt32(argc, argv, "c:n", &start);
+ getopt32(argv, "c:n", &start);
if (option_mask32 & OPT_LEVEL) {
/* Valid levels are between 1 and 8 */
}
if (!(option_mask32 & OPT_FOREGROUND)) {
-#ifdef BB_NOMMU
- if (!re_execed)
- vfork_daemon_rexec(0, 1, argv);
-#else
- bb_daemonize();
-#endif
+ bb_daemonize_or_rexec(DAEMON_CHDIR_ROOT, argv);
}
openlog("kernel", 0, LOG_KERN);
/* Set up sig handlers */
- signal(SIGINT, klogd_signal);
- signal(SIGKILL, klogd_signal);
- signal(SIGTERM, klogd_signal);
+ bb_signals(0
+ + (1 << SIGINT)
+ + (1 << SIGTERM)
+ , klogd_signal);
signal(SIGHUP, SIG_IGN);
/* "Open the log. Currently a NOP." */
if (option_mask32 & OPT_LEVEL)
klogctl(8, NULL, i);
- syslog(LOG_NOTICE, "klogd started: %s", BB_BANNER);
+ syslog(LOG_NOTICE, "klogd started: %s", bb_banner);
/* Note: this code does not detect incomplete messages
* (messages not ending with '\n' or just when kernel