src/usr.bin/window/wwflush.c - diff

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version 1.1, 1995/10/18 08:46:58

version 1.2, 1995/12/26 18:00:31

Line 1

/* $NetBSD: wwflush.c,v 1.3 1995/09/28 10:35:30 tls Exp $ */

/* $NetBSD: wwflush.c,v 1.5 1995/12/21 10:46:08 mycroft Exp $ */

Line 40

#if 0

static char sccsid[] = "@(#)wwflush.c 8.1 (Berkeley) 6/6/93";

#else

static char rcsid[] = "$NetBSD: wwflush.c,v 1.3 1995/09/28 10:35:30 tls Exp $";

static char rcsid[] = "$NetBSD: wwflush.c,v 1.5 1995/12/21 10:46:08 mycroft Exp $";

#endif

#endif /* not lint */

Line 70

wwcheckpoint()

{

int s = sigblock(sigmask(SIGALRM) | sigmask(SIGIO));

sigset_t sigset, osigset;

sigemptyset(&sigset);

sigaddset(&sigset, SIGALRM);

sigprocmask(SIG_BLOCK, &sigset, &osigset);

tt.tt_ack = 0;

do {

(*tt.tt_checkpoint)();

Line 80

Line 84

#endif

(void) alarm(3);

for (wwdocheckpoint = 0; !wwdocheckpoint && tt.tt_ack == 0;)

(void) sigpause(s);

sigsuspend(&osigset);

} while (tt.tt_ack == 0);

(void) alarm(0);

wwdocheckpoint = 0;

Line 94

Line 98

wwcopyscreen(wwos, wwcs);

(void) alarm(3);

}

(void) sigsetmask(s);

sigprocmask(SIG_SETMASK, &osigset, (sigset_t *)0);

}

wwcopyscreen(s1, s2)