X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=lib%2Flibrte_eal%2Fcommon%2Feal_common_timer.c;h=ed0b16d05e804833c68e94403de69937086d5c89;hb=88ff01ddfb13d580d5ca36b7a6fc1548bac769bf;hp=c4227cd85deabe3e043222651f6ac4f0695c13f7;hpb=6b5a857fb0b9985024f2523aa4572d7ce0c28779;p=dpdk.git

diff --git a/lib/librte_eal/common/eal_common_timer.c b/lib/librte_eal/common/eal_common_timer.c
index c4227cd85d..ed0b16d05e 100644
--- a/lib/librte_eal/common/eal_common_timer.c
+++ b/lib/librte_eal/common/eal_common_timer.c
@@ -41,14 +41,18 @@
 #include <rte_common.h>
 #include <rte_log.h>
 #include <rte_cycles.h>
+#include <rte_pause.h>
 
 #include "eal_private.h"
 
 /* The frequency of the RDTSC timer resolution */
 static uint64_t eal_tsc_resolution_hz;
 
+/* Pointer to user delay function */
+void (*rte_delay_us)(unsigned int) = NULL;
+
 void
-rte_delay_us(unsigned us)
+rte_delay_us_block(unsigned int us)
 {
 	const uint64_t start = rte_get_timer_cycles();
 	const uint64_t ticks = (uint64_t)us * rte_get_timer_hz() / 1E6;
@@ -84,3 +88,15 @@ set_tsc_freq(void)
 	RTE_LOG(DEBUG, EAL, "TSC frequency is ~%" PRIu64 " KHz\n", freq / 1000);
 	eal_tsc_resolution_hz = freq;
 }
+
+void rte_delay_us_callback_register(void (*userfunc)(unsigned int))
+{
+	rte_delay_us = userfunc;
+}
+
+static void __attribute__((constructor))
+rte_timer_init(void)
+{
+	/* set rte_delay_us_block as a delay function */
+	rte_delay_us_callback_register(rte_delay_us_block);
+}