Add based logging macros

configure.ac

@@ -33,7 +33,7 @@ PKG_PROG_PKG_CONFIG()
 
 AC_CHECK_HEADERS(stdio.h stdlib.h fcntl.h sys/time.h unistd.h)
 AC_CHECK_HEADERS(ctype.h errno.h byteswap.h string.h time.h)
-AC_CHECK_HEADERS(endian.h sys/endian.h arpa/inet.h)
+AC_CHECK_HEADERS(endian.h sys/endian.h arpa/inet.h syslog.h)
 AC_CHECK_HEADERS(alloca.h pthread.h stdio.h math.h)
 AC_CHECK_HEADERS(sys/types.h sys/socket.h)
 AC_CHECK_HEADERS(stdint.h netinet/in.h netinet/tcp.h)

src/libckpool.h

@@ -16,6 +16,7 @@
 #include <errno.h>
 #include <pthread.h>
 #include <stdio.h>
+#include <syslog.h>
 
 #define mutex_lock(_lock) _mutex_lock(_lock, __FILE__, __func__, __LINE__)
 #define mutex_unlock_noyield(_lock) _mutex_unlock_noyield(_lock, __FILE__, __func__, __LINE__)
@@ -43,6 +44,20 @@
 #define ck_runlock(_lock) _ck_runlock(_lock, __FILE__, __func__, __LINE__)
 #define ck_wunlock(_lock) _ck_wunlock(_lock, __FILE__, __func__, __LINE__)
 
+/* Placeholders for when we have more comprehensive logging facilities */
+#define LOGERR(fmt, ...) do { \
+	if (fmt) { \
+		fprintf(stderr, fmt, ##__VA_ARGS__); \
+		fprintf(stderr, "\n"); \
+		fflush(stderr); \
+	} \
+} while (0)
+
+#define LOGWARNING(fmt, ...) LOGERR(fmt, ##__VA_ARGS__)
+#define LOGNOTICE(fmt, ...) LOGERR(fmt, ##__VA_ARGS__)
+#define LOGINFO(fmt, ...) LOGERR(fmt, ##__VA_ARGS__)
+#define LOGDEBUG(fmt, ...) LOGERR(fmt, ##__VA_ARGS__)
+
 #define IN_FMT_FFL " in %s %s():%d"
 #define quitfrom(status, _file, _func, _line, fmt, ...) do { \
 	if (fmt) { \