void init_logging(void) {
if (!errorfilename) {
if (!(errorfilename = get_process_filename("errorlog")))
- ELOG("Could not initialize errorlog\n");
+ fprintf(stderr, "Could not initialize errorlog\n");
else {
errorfile = fopen(errorfilename, "w");
if (fcntl(fileno(errorfile), F_SETFD, FD_CLOEXEC)) {
- ELOG("Could not set close-on-exec flag\n");
+ fprintf(stderr, "Could not set close-on-exec flag\n");
}
}
}
+ /* Start SHM logging if shmlog_size is > 0. shmlog_size is SHMLOG_SIZE by
+ * default on development versions, and 0 on release versions. If it is
+ * not > 0, the user has turned it off, so let's close the logbuffer. */
+ if (shmlog_size > 0 && logbuffer == NULL)
+ open_logbuffer();
+ else if (shmlog_size <= 0 && logbuffer)
+ close_logbuffer();
+ atexit(purge_zerobyte_logfile);
+}
- /* If this is a debug build (not a release version), we will enable SHM
- * logging by default, unless the user turned it off explicitly. */
- if (logbuffer == NULL && shmlog_size > 0) {
+/*
+ * Opens the logbuffer.
+ *
+ */
+void open_logbuffer(void) {
/* Reserve 1% of the RAM for the logfile, but at max 25 MiB.
* For 512 MiB of RAM this will lead to a 5 MiB log buffer.
* At the moment (2011-12-10), no testcase leads to an i3 log
sysconf(_SC_PAGESIZE);
#endif
logbuffer_size = min(physical_mem_bytes * 0.01, shmlog_size);
+#if defined(__FreeBSD__)
+ sasprintf(&shmlogname, "/tmp/i3-log-%d", getpid());
+#else
sasprintf(&shmlogname, "/i3-log-%d", getpid());
- logbuffer_shm = shm_open(shmlogname, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+#endif
+ logbuffer_shm = shm_open(shmlogname, O_RDWR | O_CREAT, S_IREAD | S_IWRITE);
if (logbuffer_shm == -1) {
- ELOG("Could not shm_open SHM segment for the i3 log: %s\n", strerror(errno));
+ fprintf(stderr, "Could not shm_open SHM segment for the i3 log: %s\n", strerror(errno));
return;
}
+#if defined(__OpenBSD__) || defined(__APPLE__)
if (ftruncate(logbuffer_shm, logbuffer_size) == -1) {
+ fprintf(stderr, "Could not ftruncate SHM segment for the i3 log: %s\n", strerror(errno));
+#else
+ int ret;
+ if ((ret = posix_fallocate(logbuffer_shm, 0, logbuffer_size)) != 0) {
+ fprintf(stderr, "Could not ftruncate SHM segment for the i3 log: %s\n", strerror(ret));
+#endif
close(logbuffer_shm);
- shm_unlink("/i3-log-");
- ELOG("Could not ftruncate SHM segment for the i3 log: %s\n", strerror(errno));
+ shm_unlink(shmlogname);
return;
}
logbuffer = mmap(NULL, logbuffer_size, PROT_READ | PROT_WRITE, MAP_SHARED, logbuffer_shm, 0);
if (logbuffer == MAP_FAILED) {
- close(logbuffer_shm);
- shm_unlink("/i3-log-");
- ELOG("Could not mmap SHM segment for the i3 log: %s\n", strerror(errno));
- logbuffer = NULL;
+ close_logbuffer();
+ fprintf(stderr, "Could not mmap SHM segment for the i3 log: %s\n", strerror(errno));
return;
}
pthread_condattr_t cond_attr;
pthread_condattr_init(&cond_attr);
if (pthread_condattr_setpshared(&cond_attr, PTHREAD_PROCESS_SHARED) != 0)
- ELOG("pthread_condattr_setpshared() failed, i3-dump-log -f will not work!\n");
+ fprintf(stderr, "pthread_condattr_setpshared() failed, i3-dump-log -f will not work!\n");
pthread_cond_init(&(header->condvar), &cond_attr);
logwalk = logbuffer + sizeof(i3_shmlog_header);
loglastwrap = logbuffer + logbuffer_size;
store_log_markers();
- }
- atexit(purge_zerobyte_logfile);
+}
+
+/*
+ * Closes the logbuffer.
+ *
+ */
+void close_logbuffer(void) {
+ close(logbuffer_shm);
+ shm_unlink(shmlogname);
+ logbuffer = NULL;
+ shmlogname = "";
}
/*
verbose = _verbose;
}
+/*
+ * Get debug logging.
+ *
+ */
+bool get_debug_logging(void) {
+ return debug_logging;
+}
+
/*
* Set debug logging.
*
/* If there is no space for the current message in the ringbuffer, we
* need to wrap and write to the beginning again. */
- if (len >= (logbuffer_size - (logwalk - logbuffer))) {
+ if (len >= (size_t)(logbuffer_size - (logwalk - logbuffer))) {
loglastwrap = logwalk;
logwalk = logbuffer + sizeof(i3_shmlog_header);
store_log_markers();