[unix-history] / usr / src / lib / libc / gen / siginterrupt.c

/*	siginterrupt.c	4.1	85/03/11	*/

#include <signal.h>

/*
 * Set signal state to prevent restart of system calls
 * after an instance of the indicated signal.
 */
siginterrupt(sig, flag)
	int sig, flag;
{
	struct sigvec sv;
	int ret;

	if ((ret = sigvec(sig, 0, &sv)) < 0)
		return (ret);
	if (flag)
		sv.sv_flags |= SV_INTERRUPT;
	else
		sv.sv_flags &= ~SV_INTERRUPT;
	return (sigvec(sig, &sv, 0));
}
Commit	Line	Data
6fa13af1 KM	1	/* siginterrupt.c 4.1 85/03/11 */
	2
	3	#include <signal.h>
	4
	5	/*
	6	* Set signal state to prevent restart of system calls
	7	* after an instance of the indicated signal.
	8	*/
	9	siginterrupt(sig, flag)
	10	int sig, flag;
	11	{
	12	struct sigvec sv;
	13	int ret;
	14
	15	if ((ret = sigvec(sig, 0, &sv)) < 0)
	16	return (ret);
	17	if (flag)
	18	sv.sv_flags \|= SV_INTERRUPT;
	19	else
	20	sv.sv_flags &= ~SV_INTERRUPT;
	21	return (sigvec(sig, &sv, 0));
	22	}