Michael Spencer / Mbed 2 deprecated LaOS

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Dependencies:   mbed

NetServices/lwip/core/sys.c@1:f5ac63519541, 2014-03-05 (annotated)

Committer:
Michael J. Spencer
Date:
Wed Mar 05 06:14:02 2014 -0800
Revision:
1:f5ac63519541
Initial commit.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Michael J. Spencer 1:f5ac63519541 1 /**
Michael J. Spencer 1:f5ac63519541 2 * @file
Michael J. Spencer 1:f5ac63519541 3 * lwIP Operating System abstraction
Michael J. Spencer 1:f5ac63519541 4 *
Michael J. Spencer 1:f5ac63519541 5 */
Michael J. Spencer 1:f5ac63519541 6
Michael J. Spencer 1:f5ac63519541 7 /*
Michael J. Spencer 1:f5ac63519541 8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
Michael J. Spencer 1:f5ac63519541 9 * All rights reserved.
Michael J. Spencer 1:f5ac63519541 10 *
Michael J. Spencer 1:f5ac63519541 11 * Redistribution and use in source and binary forms, with or without modification,
Michael J. Spencer 1:f5ac63519541 12 * are permitted provided that the following conditions are met:
Michael J. Spencer 1:f5ac63519541 13 *
Michael J. Spencer 1:f5ac63519541 14 * 1. Redistributions of source code must retain the above copyright notice,
Michael J. Spencer 1:f5ac63519541 15 * this list of conditions and the following disclaimer.
Michael J. Spencer 1:f5ac63519541 16 * 2. Redistributions in binary form must reproduce the above copyright notice,
Michael J. Spencer 1:f5ac63519541 17 * this list of conditions and the following disclaimer in the documentation
Michael J. Spencer 1:f5ac63519541 18 * and/or other materials provided with the distribution.
Michael J. Spencer 1:f5ac63519541 19 * 3. The name of the author may not be used to endorse or promote products
Michael J. Spencer 1:f5ac63519541 20 * derived from this software without specific prior written permission.
Michael J. Spencer 1:f5ac63519541 21 *
Michael J. Spencer 1:f5ac63519541 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
Michael J. Spencer 1:f5ac63519541 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
Michael J. Spencer 1:f5ac63519541 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
Michael J. Spencer 1:f5ac63519541 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
Michael J. Spencer 1:f5ac63519541 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
Michael J. Spencer 1:f5ac63519541 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Michael J. Spencer 1:f5ac63519541 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Michael J. Spencer 1:f5ac63519541 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
Michael J. Spencer 1:f5ac63519541 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
Michael J. Spencer 1:f5ac63519541 31 * OF SUCH DAMAGE.
Michael J. Spencer 1:f5ac63519541 32 *
Michael J. Spencer 1:f5ac63519541 33 * This file is part of the lwIP TCP/IP stack.
Michael J. Spencer 1:f5ac63519541 34 *
Michael J. Spencer 1:f5ac63519541 35 * Author: Adam Dunkels <adam@sics.se>
Michael J. Spencer 1:f5ac63519541 36 *
Michael J. Spencer 1:f5ac63519541 37 */
Michael J. Spencer 1:f5ac63519541 38
Michael J. Spencer 1:f5ac63519541 39 #include "lwip/opt.h"
Michael J. Spencer 1:f5ac63519541 40
Michael J. Spencer 1:f5ac63519541 41 #include "lwip/sys.h"
Michael J. Spencer 1:f5ac63519541 42
Michael J. Spencer 1:f5ac63519541 43 /* Most of the functions defined in sys.h must be implemented in the
Michael J. Spencer 1:f5ac63519541 44 * architecture-dependent file sys_arch.c */
Michael J. Spencer 1:f5ac63519541 45
Michael J. Spencer 1:f5ac63519541 46 #if !NO_SYS
Michael J. Spencer 1:f5ac63519541 47
Michael J. Spencer 1:f5ac63519541 48 /**
Michael J. Spencer 1:f5ac63519541 49 * Sleep for some ms. Timeouts are NOT processed while sleeping.
Michael J. Spencer 1:f5ac63519541 50 *
Michael J. Spencer 1:f5ac63519541 51 * @param ms number of milliseconds to sleep
Michael J. Spencer 1:f5ac63519541 52 */
Michael J. Spencer 1:f5ac63519541 53 void
Michael J. Spencer 1:f5ac63519541 54 sys_msleep(u32_t ms)
Michael J. Spencer 1:f5ac63519541 55 {
Michael J. Spencer 1:f5ac63519541 56 if (ms > 0) {
Michael J. Spencer 1:f5ac63519541 57 sys_sem_t delaysem;
Michael J. Spencer 1:f5ac63519541 58 err_t err = sys_sem_new(&delaysem, 0);
Michael J. Spencer 1:f5ac63519541 59 if (err == ERR_OK) {
Michael J. Spencer 1:f5ac63519541 60 sys_arch_sem_wait(&delaysem, ms);
Michael J. Spencer 1:f5ac63519541 61 sys_sem_free(&delaysem);
Michael J. Spencer 1:f5ac63519541 62 }
Michael J. Spencer 1:f5ac63519541 63 }
Michael J. Spencer 1:f5ac63519541 64 }
Michael J. Spencer 1:f5ac63519541 65
Michael J. Spencer 1:f5ac63519541 66 #endif /* !NO_SYS */