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Protect errno in signal handlers, like in portmap.

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This commit is contained in:
Bill Paul 1998-06-04 15:11:32 +00:00
parent 4460041351
commit 7d1c23760d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=36639
2 changed files with 14 additions and 3 deletions
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7
usr.sbin/rpc.yppasswdd/yppasswdd_server.c
View File

@ -32,7 +32,7 @@
#ifndef lint
static const char rcsid[] =
"$Id$";
"$Id: yppasswdd_server.c,v 1.14 1997/10/13 11:18:53 charnier Exp $";
#endif /* not lint */
#include <stdio.h>
@ -70,6 +70,9 @@ void reaper(sig)
extern pid_t pid;
extern int pstat;
int st;
int saved_errno;
saved_errno = errno;
if (sig > 0) {
if (sig == SIGCHLD)
@ -77,6 +80,8 @@ void reaper(sig)
} else {
pid = waitpid(pid, &pstat, 0);
}
errno = saved_errno;
return;
}

10
usr.sbin/ypserv/yp_main.c
View File

@ -32,7 +32,7 @@
#ifndef lint
static const char rcsid[] =
"$Id: yp_main.c,v 1.1 1997/11/09 20:54:38 wpaul Exp wpaul $";
"$Id: yp_main.c,v 1.17 1998/02/11 19:15:32 wpaul Exp $";
#endif /* not lint */
/*
@ -158,13 +158,17 @@ static void unregister()
static void reaper(sig)
int sig;
{
int status;
int status;
int saved_errno;
saved_errno = errno;
if (sig == SIGHUP) {
load_securenets();
#ifdef DB_CACHE
yp_flush_all();
#endif
errno = saved_errno;
return;
}
@ -175,6 +179,8 @@ static void reaper(sig)
unregister();
exit(0);
}
errno = saved_errno;
return;
}
static void usage()