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kc3-lang/libevent/sample/signal-test.c

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  • Author : Nick Mathewson
    Date : 2009-11-06 21:46:57
    Hash : 784b8773
    Message : We do not work any more without an event-config.h; stop pretending that it is meaningful to check for HAVE_CONFIG_H svn:r1516

  • sample/signal-test.c
  • /*
     * Compile with:
     * cc -I/usr/local/include -o signal-test \
     *   signal-test.c -L/usr/local/lib -levent
     */
    
    #include <sys/types.h>
    
    #include <event-config.h>
    
    #include <sys/stat.h>
    #ifndef WIN32
    #include <sys/queue.h>
    #include <unistd.h>
    #include <sys/time.h>
    #else
    #include <winsock2.h>
    #include <windows.h>
    #endif
    #include <signal.h>
    #include <fcntl.h>
    #include <stdlib.h>
    #include <stdio.h>
    #include <string.h>
    #include <errno.h>
    
    #include <event.h>
    
    #ifdef _EVENT___func__
    #define __func__ _EVENT___func__
    #endif
    
    int called = 0;
    
    static void
    signal_cb(int fd, short event, void *arg)
    {
    	struct event *signal = arg;
    
    	printf("%s: got signal %d\n", __func__, EVENT_SIGNAL(signal));
    
    	if (called >= 2)
    		event_del(signal);
    
    	called++;
    }
    
    int
    main (int argc, char **argv)
    {
    	struct event signal_int;
    #ifdef WIN32
    	WORD wVersionRequested;
    	WSADATA wsaData;
    	int	err;
    
    	wVersionRequested = MAKEWORD(2, 2);
    
    	err = WSAStartup(wVersionRequested, &wsaData);
    #endif
    
    	/* Initalize the event library */
    	event_init();
    
    	/* Initalize one event */
    	event_set(&signal_int, SIGINT, EV_SIGNAL|EV_PERSIST, signal_cb,
    	    &signal_int);
    
    	event_add(&signal_int, NULL);
    
    	event_dispatch();
    
    	return (0);
    }