fix simple signal handlers

3 files changed, 10 insertions, 4 deletions

diff --git a/kerberosIV/src/appl/kip/common.c b/kerberosIV/src/appl/kip/common.c
index 4059a982c32..f01abd70f45 100644
--- a/kerberosIV/src/appl/kip/common.c
+++ b/kerberosIV/src/appl/kip/common.c
@@ -162,6 +162,7 @@ copy_packets (int tundev, int netdev, int mtu, des_cblock *iv,
 RETSIGTYPE
 childhandler (int sig)
 {
+     int save_errno = errno;
      pid_t pid;
      int status;
 
@@ -169,6 +170,7 @@ childhandler (int sig)
 	  pid = waitpid (-1, &status, WNOHANG|WUNTRACED);
      } while(pid > 0);
      signal (SIGCHLD, childhandler);
+     errno = save_errno;
      SIGRETURN(0);
 }
 
diff --git a/kerberosIV/src/appl/kx/kx.c b/kerberosIV/src/appl/kx/kx.c
index 3bcd54344a7..d89d617ccd1 100644
--- a/kerberosIV/src/appl/kx/kx.c
+++ b/kerberosIV/src/appl/kx/kx.c
@@ -45,6 +45,7 @@ static int donep;
 static RETSIGTYPE
 childhandler (int sig)
 {
+     int save_errno = errno;
      pid_t pid;
      int status;
 
@@ -52,9 +53,10 @@ childhandler (int sig)
 	 pid = waitpid (-1, &status, WNOHANG|WUNTRACED);
 	 if (pid > 0 && (WIFEXITED(status) || WIFSIGNALED(status)))
 	     if (--nchild == 0 && donep)
-		 exit (0);
+		 _exit (0);
      } while(pid > 0);
      signal (SIGCHLD, childhandler);
+     errno = save_errno;
      SIGRETURN(0);
 }
 
@@ -82,7 +84,7 @@ usr2handler (int sig)
 {
     donep = 1;
     if (nchild == 0)
-	exit (0);
+	_exit (0);
 
     SIGRETURN(0);
 }
diff --git a/kerberosIV/src/appl/kx/kxd.c b/kerberosIV/src/appl/kx/kxd.c
index c54d1fab8fc..924d4d305a8 100644
--- a/kerberosIV/src/appl/kx/kxd.c
+++ b/kerberosIV/src/appl/kx/kxd.c
@@ -33,7 +33,7 @@
 
 #include "kx.h"
 
-RCSID("$KTH: kxd.c,v 1.61 1999/12/02 16:58:32 joda Exp $");
+RCSID("$KTH: kxd.c,v 1.61.2.1 2000/06/28 19:08:00 assar Exp $");
 
 static pid_t wait_on_pid = -1;
 static int   done        = 0;
@@ -45,6 +45,7 @@ static int   done        = 0;
 static RETSIGTYPE
 childhandler (int sig)
 {
+     int save_errno = errno;
      pid_t pid;
      int status;
 
@@ -54,6 +55,7 @@ childhandler (int sig)
 	   done = 1;
      } while(pid > 0);
      signal (SIGCHLD, childhandler);
+     errno = save_errno;
      SIGRETURN(0);
 }
 
@@ -73,7 +75,7 @@ fatal (kx_context *kc, int fd, char *format, ...)
     p = msg;
     *p++ = ERROR;
     vsnprintf ((char *)p + 4, sizeof(msg) - 5, format, args);
-    syslog (LOG_ERR, (char *)p + 4);
+    syslog (LOG_ERR, "%s", (char *)p + 4);
     len = strlen ((char *)p + 4);
     p += KRB_PUT_INT (len, p, 4, 4);
     p += len;