A S / lwip

1. Reduce the size of the heap memory 2. Change the TCP segment size 3. Disable UDP + DHCP + DNS 4. Change the configuration of the TCP/IP thread

Dependents:   EthernetInterface

Fork of lwip by mbed official

core/sys.c@0:51ac1d130fd4, 2012-06-22 (annotated)

Committer:
mbed_official
Date:
Fri Jun 22 09:25:39 2012 +0000
Revision:
0:51ac1d130fd4
Initial import from lwip-1.4.0: http://download.savannah.gnu.org/releases/lwip/lwip-1.4.0.zip

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:51ac1d130fd4 1 /**
mbed_official 0:51ac1d130fd4 2 * @file
mbed_official 0:51ac1d130fd4 3 * lwIP Operating System abstraction
mbed_official 0:51ac1d130fd4 4 *
mbed_official 0:51ac1d130fd4 5 */
mbed_official 0:51ac1d130fd4 6
mbed_official 0:51ac1d130fd4 7 /*
mbed_official 0:51ac1d130fd4 8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
mbed_official 0:51ac1d130fd4 9 * All rights reserved.
mbed_official 0:51ac1d130fd4 10 *
mbed_official 0:51ac1d130fd4 11 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 0:51ac1d130fd4 12 * are permitted provided that the following conditions are met:
mbed_official 0:51ac1d130fd4 13 *
mbed_official 0:51ac1d130fd4 14 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 0:51ac1d130fd4 15 * this list of conditions and the following disclaimer.
mbed_official 0:51ac1d130fd4 16 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 0:51ac1d130fd4 17 * this list of conditions and the following disclaimer in the documentation
mbed_official 0:51ac1d130fd4 18 * and/or other materials provided with the distribution.
mbed_official 0:51ac1d130fd4 19 * 3. The name of the author may not be used to endorse or promote products
mbed_official 0:51ac1d130fd4 20 * derived from this software without specific prior written permission.
mbed_official 0:51ac1d130fd4 21 *
mbed_official 0:51ac1d130fd4 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
mbed_official 0:51ac1d130fd4 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
mbed_official 0:51ac1d130fd4 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
mbed_official 0:51ac1d130fd4 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
mbed_official 0:51ac1d130fd4 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
mbed_official 0:51ac1d130fd4 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbed_official 0:51ac1d130fd4 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbed_official 0:51ac1d130fd4 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
mbed_official 0:51ac1d130fd4 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
mbed_official 0:51ac1d130fd4 31 * OF SUCH DAMAGE.
mbed_official 0:51ac1d130fd4 32 *
mbed_official 0:51ac1d130fd4 33 * This file is part of the lwIP TCP/IP stack.
mbed_official 0:51ac1d130fd4 34 *
mbed_official 0:51ac1d130fd4 35 * Author: Adam Dunkels <adam@sics.se>
mbed_official 0:51ac1d130fd4 36 *
mbed_official 0:51ac1d130fd4 37 */
mbed_official 0:51ac1d130fd4 38
mbed_official 0:51ac1d130fd4 39 #include "lwip/opt.h"
mbed_official 0:51ac1d130fd4 40
mbed_official 0:51ac1d130fd4 41 #include "lwip/sys.h"
mbed_official 0:51ac1d130fd4 42
mbed_official 0:51ac1d130fd4 43 /* Most of the functions defined in sys.h must be implemented in the
mbed_official 0:51ac1d130fd4 44 * architecture-dependent file sys_arch.c */
mbed_official 0:51ac1d130fd4 45
mbed_official 0:51ac1d130fd4 46 #if !NO_SYS
mbed_official 0:51ac1d130fd4 47
mbed_official 0:51ac1d130fd4 48 /**
mbed_official 0:51ac1d130fd4 49 * Sleep for some ms. Timeouts are NOT processed while sleeping.
mbed_official 0:51ac1d130fd4 50 *
mbed_official 0:51ac1d130fd4 51 * @param ms number of milliseconds to sleep
mbed_official 0:51ac1d130fd4 52 */
mbed_official 0:51ac1d130fd4 53 void
mbed_official 0:51ac1d130fd4 54 sys_msleep(u32_t ms)
mbed_official 0:51ac1d130fd4 55 {
mbed_official 0:51ac1d130fd4 56 if (ms > 0) {
mbed_official 0:51ac1d130fd4 57 sys_sem_t delaysem;
mbed_official 0:51ac1d130fd4 58 err_t err = sys_sem_new(&delaysem, 0);
mbed_official 0:51ac1d130fd4 59 if (err == ERR_OK) {
mbed_official 0:51ac1d130fd4 60 sys_arch_sem_wait(&delaysem, ms);
mbed_official 0:51ac1d130fd4 61 sys_sem_free(&delaysem);
mbed_official 0:51ac1d130fd4 62 }
mbed_official 0:51ac1d130fd4 63 }
mbed_official 0:51ac1d130fd4 64 }
mbed_official 0:51ac1d130fd4 65
mbed_official 0:51ac1d130fd4 66 #endif /* !NO_SYS */