eal: fix default mempool ops
[dpdk.git] / lib / librte_eal / linuxapp / eal / eal_alarm.c
index a0eae1e..c115e82 100644 (file)
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 #include <stdio.h>
 #include <stdint.h>
@@ -40,7 +11,6 @@
 #include <sys/timerfd.h>
 
 #include <rte_memory.h>
-#include <rte_memzone.h>
 #include <rte_interrupts.h>
 #include <rte_alarm.h>
 #include <rte_common.h>
 #define MS_PER_S 1000
 #define US_PER_S (US_PER_MS * MS_PER_S)
 
+#ifdef CLOCK_MONOTONIC_RAW /* Defined in glibc bits/time.h */
+#define CLOCK_TYPE_ID CLOCK_MONOTONIC_RAW
+#else
+#define CLOCK_TYPE_ID CLOCK_MONOTONIC
+#endif
+
 struct alarm_entry {
        LIST_ENTRY(alarm_entry) next;
        struct timeval time;
@@ -77,7 +53,7 @@ static rte_spinlock_t alarm_list_lk = RTE_SPINLOCK_INITIALIZER;
 
 static struct rte_intr_handle intr_handle = {.fd = -1 };
 static int handler_registered = 0;
-static void eal_alarm_callback(struct rte_intr_handle *hdl, void *arg);
+static void eal_alarm_callback(void *arg);
 
 int
 rte_eal_alarm_init(void)
@@ -96,17 +72,16 @@ error:
 }
 
 static void
-eal_alarm_callback(struct rte_intr_handle *hdl __rte_unused,
-               void *arg __rte_unused)
+eal_alarm_callback(void *arg __rte_unused)
 {
-       struct timeval now;
+       struct timespec now;
        struct alarm_entry *ap;
 
        rte_spinlock_lock(&alarm_list_lk);
        while ((ap = LIST_FIRST(&alarm_list)) !=NULL &&
-                       gettimeofday(&now, NULL) == 0 &&
+                       clock_gettime(CLOCK_TYPE_ID, &now) == 0 &&
                        (ap->time.tv_sec < now.tv_sec || (ap->time.tv_sec == now.tv_sec &&
-                                               ap->time.tv_usec <= now.tv_usec))){
+                                               (ap->time.tv_usec * NS_PER_US) <= now.tv_nsec))) {
                ap->executing = 1;
                ap->executing_id = pthread_self();
                rte_spinlock_unlock(&alarm_list_lk);
@@ -126,11 +101,11 @@ eal_alarm_callback(struct rte_intr_handle *hdl __rte_unused,
                atime.it_value.tv_sec = ap->time.tv_sec;
                atime.it_value.tv_nsec = ap->time.tv_usec * NS_PER_US;
                /* perform borrow for subtraction if necessary */
-               if (now.tv_usec > ap->time.tv_usec)
+               if (now.tv_nsec > (ap->time.tv_usec * NS_PER_US))
                        atime.it_value.tv_sec--, atime.it_value.tv_nsec += US_PER_S * NS_PER_US;
 
                atime.it_value.tv_sec -= now.tv_sec;
-               atime.it_value.tv_nsec -= now.tv_usec * NS_PER_US;
+               atime.it_value.tv_nsec -= now.tv_nsec;
                timerfd_settime(intr_handle.fd, 0, &atime, NULL);
        }
        rte_spinlock_unlock(&alarm_list_lk);
@@ -139,7 +114,7 @@ eal_alarm_callback(struct rte_intr_handle *hdl __rte_unused,
 int
 rte_eal_alarm_set(uint64_t us, rte_eal_alarm_callback cb_fn, void *cb_arg)
 {
-       struct timeval now;
+       struct timespec now;
        int ret = 0;
        struct alarm_entry *ap, *new_alarm;
 
@@ -152,12 +127,12 @@ rte_eal_alarm_set(uint64_t us, rte_eal_alarm_callback cb_fn, void *cb_arg)
                return -ENOMEM;
 
        /* use current time to calculate absolute time of alarm */
-       gettimeofday(&now, NULL);
+       clock_gettime(CLOCK_TYPE_ID, &now);
 
        new_alarm->cb_fn = cb_fn;
        new_alarm->cb_arg = cb_arg;
-       new_alarm->time.tv_usec = (now.tv_usec + us) % US_PER_S;
-       new_alarm->time.tv_sec = now.tv_sec + ((now.tv_usec + us) / US_PER_S);
+       new_alarm->time.tv_usec = ((now.tv_nsec / NS_PER_US) + us) % US_PER_S;
+       new_alarm->time.tv_sec = now.tv_sec + (((now.tv_nsec / NS_PER_US) + us) / US_PER_S);
 
        rte_spinlock_lock(&alarm_list_lk);
        if (!handler_registered) {