From 6ad7289d68301c3214608d1efc6fb516c5061173 Mon Sep 17 00:00:00 2001
From: Juan RP <xtraeme@gmail.com>
Date: Mon, 19 Dec 2011 16:41:57 +0100
Subject: [PATCH] Detect clock_gettime(2) and use (if available) for the fetch
 cb.

---
 bin/xbps-bin/fetch_cb.c | 18 ++++++++++++++++--
 configure               | 23 +++++++++++++++++++++++
 2 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/bin/xbps-bin/fetch_cb.c b/bin/xbps-bin/fetch_cb.c
index 86ba0adb..5ea42dd2 100644
--- a/bin/xbps-bin/fetch_cb.c
+++ b/bin/xbps-bin/fetch_cb.c
@@ -42,6 +42,20 @@
 
 #include <xbps_api.h>
 #include "defs.h"
+#include "config.h"
+
+static void
+get_time(struct timeval *tvp)
+{
+#ifdef HAVE_CLOCK_GETTIME
+	struct timespec ts;
+	(void)clock_gettime(CLOCK_MONOTONIC, &ts);
+	tvp->tv_sec = ts.tv_sec;
+	tvp->tv_usec = ts.tv_nsec / 1000;
+#else
+	(void)gettimeofday(tvp, NULL);
+#endif
+}
 
 /*
  * Compute and display ETA
@@ -113,7 +127,7 @@ stat_display(const struct xbps_fetch_cb_data *xfpd, void *cbdata)
 	struct timeval now;
 	char totsize[8], recvsize[8];
 
-	gettimeofday(&now, NULL);
+	get_time(&now);
 	if (now.tv_sec <= xfer->last.tv_sec)
 		return;
 	xfer->last = now;
@@ -136,7 +150,7 @@ fetch_file_progress_cb(const struct xbps_fetch_cb_data *xfpd, void *cbdata)
 
 	if (xfpd->cb_start) {
 		/* start transfer stats */
-		gettimeofday(&xfer->start, NULL);
+		get_time(&xfer->start);
 		xfer->last.tv_sec = xfer->last.tv_usec = 0;
 	} else if (xfpd->cb_update) {
 		/* update transfer stats */
diff --git a/configure b/configure
index 848e2ce1..a9febb61 100755
--- a/configure
+++ b/configure
@@ -443,6 +443,29 @@ fi
 echo "$PROPLIB."
 rm -f _$func.c _$func
 
+#
+# Check for clock_gettime(3).
+#
+func=clock_gettime
+printf "Checking for $func() ... "
+cat <<EOF > _$func.c
+#include <time.h>
+int main(void) {
+	struct timespec ts;
+	clock_gettime(CLOCK_MONOTONIC, &ts);
+	return 0;
+}
+EOF
+if $XCC -lrt _$func.c -o _$func 2>/dev/null; then
+	echo yes.
+	echo "CPPFLAGS	+= -DHAVE_CLOCK_GETTIME" >>$CONFIG_MK
+	echo "LDFLAGS += -lrt" >>$CONFIG_MK
+	echo "STATIC_LIBS += -lrt" >>$CONFIG_MK
+else
+	echo no.
+fi
+rm -f _$func.c _$func
+
 #
 # zlib is required.
 #