logging: Add a timestamp to the log messages we emit

src/util.c

@@ -6,10 +6,11 @@
 #include <errno.h>
 #include <malloc.h>
 #include <unistd.h>
+#include <time.h>
 
 #include "util.h"
 
-pthread_key_t cleanup_handler_key; 
+pthread_key_t cleanup_handler_key;
 
 int log_level = 2;
 
@@ -21,10 +22,10 @@ void error_init(void)
 void error_handler(int fatal)
 {
 	DECLARE_ERROR_CONTEXT(context);
-	
+
 	if (context) {
 		longjmp(context->jmp, fatal ? 1 : 2 );
-	} 
+	}
 	else {
 		if ( fatal ) { abort(); }
 		else { pthread_exit((void*) 1); }
@@ -50,6 +51,25 @@ void mylog(int line_level, const char* format, ...)
 	va_end(argptr);
 }
 
+uint64_t monotonic_time_ms()
+{
+	struct timespec ts;
+	uint64_t seconds_ms, nanoseconds_ms;
+
+	FATAL_IF_NEGATIVE(
+		clock_gettime(CLOCK_MONOTONIC, &ts),
+		SHOW_ERRNO( "clock_gettime failed" )
+	);
+
+	seconds_ms = ts.tv_sec;
+	seconds_ms = seconds_ms * 1000;
+
+	nanoseconds_ms = ts.tv_nsec;
+	nanoseconds_ms = nanoseconds_ms / 1000000;
+
+	return seconds_ms + nanoseconds_ms;
+}
+
 
 void* xrealloc(void* ptr, size_t size)
 {