raise.c

操作系统源代码

/*
 * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
 * See the copyright notice in the ACK home directory, in the file "Copyright".
 */
/* $Header: raise.c,v 1.3 90/11/22 13:55:50 eck Exp $ */

#if	defined(_POSIX_SOURCE)
#include	<sys/types.h>
#endif
#include	<signal.h>

int _kill(int pid, int sig);
pid_t _getpid(void);

int
raise(int sig)
{
	if (sig < 0 || sig > _NSIG)
		return -1;
	return _kill(_getpid(), sig);
}