ReactOS 0.4.16-dev-1067-ge98bba2
sys.c
Go to the documentation of this file.
1
7/*
8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without modification,
12 * are permitted provided that the following conditions are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright notice,
15 * this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright notice,
17 * this list of conditions and the following disclaimer in the documentation
18 * and/or other materials provided with the distribution.
19 * 3. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31 * OF SUCH DAMAGE.
32 *
33 * This file is part of the lwIP TCP/IP stack.
34 *
35 * Author: Adam Dunkels <adam@sics.se>
36 *
37 */
38
119#include "lwip/opt.h"
120
121#include "lwip/sys.h"
122
123/* Most of the functions defined in sys.h must be implemented in the
124 * architecture-dependent file sys_arch.c */
125
126#if !NO_SYS
127
128#ifndef sys_msleep
134void
135sys_msleep(u32_t ms)
136{
137 if (ms > 0) {
138 sys_sem_t delaysem;
139 err_t err = sys_sem_new(&delaysem, 0);
140 if (err == ERR_OK) {
141 sys_arch_sem_wait(&delaysem, ms);
142 sys_sem_free(&delaysem);
143 }
144 }
145}
146#endif /* sys_msleep */
147
148#endif /* !NO_SYS */
u32_t
uint32_t u32_t
Definition: arch.h:129
err_t
s8_t err_t
Definition: err.h:96
ERR_OK
@ ERR_OK
Definition: err.h:55
sys_msleep
void sys_msleep(u32_t ms)
Definition: sys.c:135
sys_sem_free
void sys_sem_free(sys_sem_t *sem)
Definition: sys_arch.c:72
sys_arch_sem_wait
u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout)
Definition: sys_arch.c:86
sys_sem_new
err_t sys_sem_new(sys_sem_t *sem, u8_t count)
Definition: sys_arch.c:46
err
#define err(...)
Definition: reactos_support_code.h:30
_sys_sem_t
Definition: sys_arch.h:5