/* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2012 Index Data
+ * Copyright (C) Index Data
* See the file LICENSE for details.
*/
#include <yaz/errno.h>
#include <yaz/thread_id.h>
#include <yaz/log.h>
+#include <yaz/mutex.h>
#include <yaz/snprintf.h>
#include <yaz/xmalloc.h>
+#if YAZ_POSIX_THREADS
+#include <pthread.h>
+#endif
static int l_level = YLOG_DEFAULT_LEVEL;
static unsigned int next_log_bit = YLOG_LAST_BIT<<1; /* first dynamic bit */
+static YAZ_MUTEX log_mutex = 0;
+
+static void yaz_log_lock(void)
+{
+ yaz_mutex_enter(log_mutex);
+}
+
+static void yaz_log_unlock(void)
+{
+ yaz_mutex_leave(log_mutex);
+}
+
static void internal_log_init(void)
{
static int mutex_init_flag = 0; /* not yet initialized */
return;
mutex_init_flag = 1; /* here, 'cause nmem_mutex_create may call yaz_log */
+ if (log_mutex == 0)
+ yaz_mutex_create(&log_mutex);
+#if YAZ_POSIX_THREADS
+ pthread_atfork(yaz_log_lock, yaz_log_unlock, yaz_log_unlock);
+#endif
env = getenv("YAZ_LOG");
if (env)
l_level = yaz_log_mask_str_x(env, l_level);
struct tm *tm;
#endif
+ yaz_log_lock();
#if HAVE_LOCALTIME_R
localtime_r(&cur_time, tm);
#else
tm = localtime(&cur_time);
#endif
yaz_log_open_check(tm, 1, filemode);
+ yaz_log_unlock();
}
internal_log_init();
+ yaz_log_lock();
#if HAVE_LOCALTIME_R
localtime_r(&ti, tm);
#else
if (l_level & YLOG_FLUSH)
fflush(file);
}
+ yaz_log_unlock();
}
void yaz_log(int level, const char *fmt, ...)