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avoid errno trashing, ok mpf henning

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This commit is contained in:
deraadt 2008-03-16 16:55:29 +00:00
parent 14aef417a7
commit 3d48063680
1 changed files with 5 additions and 3 deletions
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8
usr.sbin/syslogd/privsep.c
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@ -1,4 +1,4 @@
/* $OpenBSD: privsep.c,v 1.31 2008/03/16 15:44:18 mpf Exp $ */
/* $OpenBSD: privsep.c,v 1.32 2008/03/16 16:55:29 deraadt Exp $ */
/*
* Copyright (c) 2003 Anil Madhavapeddy <anil@recoil.org>
@ -737,11 +737,11 @@ priv_gethostbyaddr(char *addr, int addr_len, int af, char *res, size_t res_len)
static void
sig_pass_to_chld(int sig)
{
int oerrno = errno;
int save_errno = errno;
if (child_pid != -1)
kill(child_pid, sig);
errno = oerrno;
errno = save_errno;
}
/* When child dies, move into the shutdown state */
@ -749,6 +749,7 @@ sig_pass_to_chld(int sig)
static void
sig_got_chld(int sig)
{
int save_errno = errno;
pid_t pid;
do {
@ -756,6 +757,7 @@ sig_got_chld(int sig)
if (pid == child_pid && cur_state < STATE_QUIT)
cur_state = STATE_QUIT;
} while (pid > 0 || (pid == -1 && errno == EINTR));
errno = save_errno;
}
/* Read all data or return 1 for error. */