catch wierd waitpid infinite loop

SCCS-vsn: usr.sbin/sendmail/src/conf.c 6.61

diff --git a/usr/src/usr.sbin/sendmail/src/conf.c b/usr/src/usr.sbin/sendmail/src/conf.c
index 4bf5e5b..909abbb 100644 (file)
--- a/usr/src/usr.sbin/sendmail/src/conf.c
+++ b/usr/src/usr.sbin/sendmail/src/conf.c
@@ -7,7 +7,7 @@
  */
 
 #ifndef lint
  */
 
 #ifndef lint

-static char sccsid[] = "@(#)conf.c     6.60 (Berkeley) %G%";
+static char sccsid[] = "@(#)conf.c     6.61 (Berkeley) %G%";

 #endif /* not lint */
 
 # include <sys/ioctl.h>
 #endif /* not lint */
 
 # include <sys/ioctl.h>


@@ -901,9 +901,19 @@ reapchild()
 {
 # ifdef WIFEXITED
        auto int status;
 {
 # ifdef WIFEXITED
        auto int status;

+       int count;
+       int pid;

 
 

-       while (waitpid(-1, &status, WNOHANG) > 0)
-               continue;
+       count = 0;
+       while ((pid = waitpid(-1, &status, WNOHANG)) > 0)
+       {
+               if (count++ > 1000)
+               {
+                       syslog(LOG_ALERT, "reapchild: waitpid loop: pid=%d, status=%x",
+                               pid, status);
+                       break;
+               }
+       }

 # else
 # ifdef WNOHANG
        union wait status;
 # else
 # ifdef WNOHANG
        union wait status;