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* Software License Agreement (BSD License)                                                               *
* Author: Sebastien Decugis <sdecugis@nict.go.jp>							 *
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/* Install the signal handler */

#include "app_test.h"

static pthread_t th = (pthread_t) NULL;

static void * atst_sig_th(void * arg)
{
	int sig;
	int ret;
	sigset_t ss;
	void (*cb)(void) = arg;
	
	fd_log_threadname ( "app_test signal handler" );
	
	sigemptyset(&ss);
	sigaddset(&ss, atst_conf->signal);
	
	while (1) {
		ret = sigwait(&ss, &sig);
		if (ret != 0) {
			fd_log_debug("sigwait failed in the app_test extension: %s", strerror(errno));
			break;
		}
		
		TRACE_DEBUG(FULL, "Signal caught, calling function...");
		
		/* Call the cb function */
		(*cb)();
		
	}
	
	return NULL;
}

int atst_sig_init(void (*cb)(void))
{
	return pthread_create( &th, NULL, atst_sig_th, (void *)cb );
}

void atst_sig_fini(void)
{
	void * th_ret = NULL;
	
	if (th != (pthread_t) NULL) {
		(void) pthread_cancel(th);
		(void) pthread_join(th, &th_ret);
	}
	
	return;
}