From 8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82 Mon Sep 17 00:00:00 2001
From: Luca Boccassi <luca.boccassi@gmail.com>
Date: Thu, 1 Nov 2018 11:59:50 +0000
Subject: New upstream version 18.11-rc1

Change-Id: Iaa71986dd6332e878d8f4bf493101b2bbc6313bb
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
---
 lib/librte_eal/common/eal_common_timer.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'lib/librte_eal/common/eal_common_timer.c')

diff --git a/lib/librte_eal/common/eal_common_timer.c b/lib/librte_eal/common/eal_common_timer.c
index 2e2b770f..dcf26bfe 100644
--- a/lib/librte_eal/common/eal_common_timer.c
+++ b/lib/librte_eal/common/eal_common_timer.c
@@ -7,9 +7,11 @@
 #include <unistd.h>
 #include <inttypes.h>
 #include <sys/types.h>
+#include <time.h>
 #include <errno.h>
 
 #include <rte_common.h>
+#include <rte_compat.h>
 #include <rte_log.h>
 #include <rte_cycles.h>
 #include <rte_pause.h>
@@ -31,6 +33,28 @@ rte_delay_us_block(unsigned int us)
 		rte_pause();
 }
 
+void __rte_experimental
+rte_delay_us_sleep(unsigned int us)
+{
+	struct timespec wait[2];
+	int ind = 0;
+
+	wait[0].tv_sec = 0;
+	if (us >= US_PER_S) {
+		wait[0].tv_sec = us / US_PER_S;
+		us -= wait[0].tv_sec * US_PER_S;
+	}
+	wait[0].tv_nsec = 1000 * us;
+
+	while (nanosleep(&wait[ind], &wait[1 - ind]) && errno == EINTR) {
+		/*
+		 * Sleep was interrupted. Flip the index, so the 'remainder'
+		 * will become the 'request' for a next call.
+		 */
+		ind = 1 - ind;
+	}
+}
+
 uint64_t
 rte_get_tsc_hz(void)
 {
-- 
cgit 1.2.3-korg