Make time taken that is displayed in status bar use gettimeofday()-based time rather than clock()-based time

svn path=/trunk/netsurf/; revision=3157

content/content.c

@@ -376,7 +376,7 @@ struct content * content_create(const char *url)
 	c->refresh = 0;
 	c->bitmap = 0;
 	c->fresh = false;
-	c->time = clock();
+	c->time = wallclock();
 	c->size = 0;
 	c->title = 0;
 	c->active = 0;
@@ -614,7 +614,7 @@ void content_update_status(struct content *c)
 {
 	char token[20];
 	const char *status;
-	clock_t time;
+	unsigned int time;
 
 	snprintf(token, sizeof token, "HTTP%li", c->http_code);
 	status = messages_get(token);
@@ -624,13 +624,13 @@ void content_update_status(struct content *c)
 	if (c->status == CONTENT_STATUS_TYPE_UNKNOWN ||
 			c->status == CONTENT_STATUS_LOADING ||
 			c->status == CONTENT_STATUS_READY)
-		time = clock() - c->time;
+		time = wallclock() - c->time;
 	else
 		time = c->time;
 
 	snprintf(c->status_message, sizeof (c->status_message),
 			"%s (%.1fs) %s", status,
-			(float) time / CLOCKS_PER_SEC, c->sub_status);
+			(float) time / 100, c->sub_status);
 	/* LOG(("%s", c->status_message)); */
 }
 
@@ -752,7 +752,7 @@ void content_set_done(struct content *c)
 	union content_msg_data msg_data;
 
 	c->status = CONTENT_STATUS_DONE;
-	c->time = clock() - c->time;
+	c->time = wallclock() - c->time;
 	content_update_status(c);
 	content_broadcast(c, CONTENT_MSG_DONE, msg_data);
 }

content/content.h

@@ -16,7 +16,6 @@
 #define _NETSURF_DESKTOP_CONTENT_H_
 
 #include <stdint.h>
-#include <time.h>
 #include "netsurf/utils/config.h"
 #include "netsurf/content/content_type.h"
 #include "netsurf/css/css.h"
@@ -179,7 +178,7 @@ struct content {
 	 *  shared between users. */
 	bool fresh;
 	struct cache_data *cache_data;	/**< Cache control data */
-	clock_t time;			/**< Creation time, if TYPE_UNKNOWN,
+	unsigned int time;		/**< Creation time, if TYPE_UNKNOWN,
 					  LOADING or READY,
 					  otherwise total time. */
 

utils/utils.c

@@ -236,6 +236,23 @@ char *strcasestr(const char *haystack, const char *needle)
 	return NULL;
 }
 
+/**
+ * Returns a number of centiseconds, that increases in real time, for the
+ * purposes of measuring how long something takes in wall-clock terms.  It uses
+ * gettimeofday() for this.  Should the call to gettimeofday() fail, it returns
+ * zero.
+ *
+ * \return number of centiseconds that increases monotonically
+ */
+unsigned int wallclock(void)
+{
+	struct timeval tv;
+
+	if (gettimeofday(&tv, NULL) == -1)
+		return 0;
+	
+	return ((tv.tv_sec * 100) + (tv.tv_usec / 10000));
+}
 
 #ifdef __FreeBSD__
 

utils/utils.h

@@ -56,6 +56,7 @@ void unicode_transliterate(unsigned int c, char **r);
 char *human_friendly_bytesize(unsigned long bytesize);
 const char *rfc1123_date(time_t t);
 char *strcasestr(const char *haystack, const char *needle);
+unsigned int wallclock(void);
 #ifdef __FreeBSD__
 /* FreeBSD lacks strndup */
 char *strndup(const char *s, size_t n);