83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2009-2012 The Linux Foundation. All rights reserved
|
||
|
|
*
|
||
|
|
* Software was previously licensed under BSD license by Qualcomm Atheros, Inc.
|
||
|
|
*
|
||
|
|
* 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 The Linux Foundation 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 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
||
|
|
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <signal.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <sys/wait.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
char **arg;
|
||
|
|
pid_t child_pid;
|
||
|
|
|
||
|
|
void start_hostapd(void)
|
||
|
|
{
|
||
|
|
child_pid = fork();
|
||
|
|
if ( child_pid == 0 ) {
|
||
|
|
//printf("Starting hostapd (%d)\n", getpid());
|
||
|
|
execv("./hostapd", arg);
|
||
|
|
_exit( 0 );
|
||
|
|
} else {
|
||
|
|
wait(NULL);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void kill_hostapd(void)
|
||
|
|
{
|
||
|
|
//printf("Kill hostapd (%d)\n", child_pid);
|
||
|
|
if(child_pid > 1) {
|
||
|
|
kill(child_pid, SIGTERM);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void sig_exit(int sig_num)
|
||
|
|
{
|
||
|
|
kill_hostapd();
|
||
|
|
_exit(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void sig_from_hostapd(int sig_num)
|
||
|
|
{
|
||
|
|
signal(SIGUSR1, sig_from_hostapd);
|
||
|
|
sleep(1);
|
||
|
|
kill_hostapd();
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(int argc, char *argv[]) {
|
||
|
|
arg = argv;
|
||
|
|
signal(SIGTERM, sig_exit);
|
||
|
|
signal(SIGUSR1, sig_from_hostapd);
|
||
|
|
while(1) {
|
||
|
|
start_hostapd();
|
||
|
|
sleep(1);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|