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Use siglongjmp to jump out of signal handlers.

This commit is contained in:
dholland 2013-08-11 05:48:56 +00:00
parent bd3f97bffb
commit 27c14eada7
1 changed files with 8 additions and 8 deletions
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16
libexec/getty/main.c
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@ -1,4 +1,4 @@
/* $NetBSD: main.c,v 1.61 2013/08/11 05:42:41 dholland Exp $ */
/* $NetBSD: main.c,v 1.62 2013/08/11 05:48:56 dholland Exp $ */
/*-
* Copyright (c) 1980, 1993
@ -40,7 +40,7 @@ __COPYRIGHT("@(#) Copyright (c) 1980, 1993\
#if 0
static char sccsid[] = "from: @(#)main.c 8.1 (Berkeley) 6/20/93";
#else
__RCSID("$NetBSD: main.c,v 1.61 2013/08/11 05:42:41 dholland Exp $");
__RCSID("$NetBSD: main.c,v 1.62 2013/08/11 05:48:56 dholland Exp $");
#endif
#endif /* not lint */
@ -135,7 +135,7 @@ const unsigned char partab[] = {
static void clearscreen(void);
jmp_buf timeout;
sigjmp_buf timeout;
static void
/*ARGSUSED*/
@ -144,10 +144,10 @@ dingdong(int signo)
(void)alarm(0);
(void)signal(SIGALRM, SIG_DFL);
longjmp(timeout, 1);
siglongjmp(timeout, 1);
}
jmp_buf intrupt;
sigjmp_buf intrupt;
static void
/*ARGSUSED*/
@ -155,7 +155,7 @@ interrupt(int signo)
{
(void)signal(SIGINT, interrupt);
longjmp(intrupt, 1);
siglongjmp(intrupt, 1);
}
/*
@ -357,7 +357,7 @@ main(int argc, char *argv[], char *envp[])
if (IM && *IM)
putf(IM);
oflush();
if (setjmp(timeout)) {
if (sigsetjmp(timeout, 1)) {
tmode.c_ispeed = tmode.c_ospeed = 0;
(void)tcsetattr(0, TCSANOW, &tmode);
exit(1);
@ -455,7 +455,7 @@ getname(void)
/*
* Interrupt may happen if we use CBREAK mode
*/
if (setjmp(intrupt)) {
if (sigsetjmp(intrupt, 1)) {
(void)signal(SIGINT, SIG_IGN);
return (0);
}