* lin-lwp.c (child_wait): Ignore exit statuses for processes other

	than inferior_ptid.
	(lin_lwp_wait): Ignore exit statuses for unknown LWPs.

2 files changed, 26 insertions, 1 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 3be766ada59..11ca8781169 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2003-01-09  Daniel Jacobowitz  <drow@mvista.com>
+
+	* lin-lwp.c (child_wait): Ignore exit statuses for processes other
+	than inferior_ptid.
+	(lin_lwp_wait): Ignore exit statuses for unknown LWPs.
+
 2003-01-09  Andrew Cagney  <ac131313@redhat.com>
 
 	* frame.h (frame_obstack_zalloc): Replace frame_obstack_alloc.
diff --git a/gdb/lin-lwp.c b/gdb/lin-lwp.c
index 611892778d6..aad8c19bb0f 100644
--- a/gdb/lin-lwp.c
+++ b/gdb/lin-lwp.c
@@ -1,5 +1,5 @@
 /* Multi-threaded debugging support for GNU/Linux (LWP layer).
-   Copyright 2000, 2001 Free Software Foundation, Inc.
+   Copyright 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -1062,6 +1062,14 @@ child_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
 
       save_errno = errno;
 
+      /* Make sure we don't report an event for the exit of the
+	 original program, if we've detached from it.  */
+      if (pid != -1 && ! WIFSTOPPED (status) && pid != GET_PID (inferior_ptid))
+	{
+	  pid = -1;
+	  save_errno = EINTR;
+	}
+
       clear_sigio_trap ();
       clear_sigint_trap ();
     }
@@ -1206,6 +1214,17 @@ lin_lwp_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
 	    }
 
 	  lp = find_lwp_pid (pid_to_ptid (lwpid));
+
+	  /* Make sure we don't report an event for the exit of an LWP not in
+	     our list, i.e.  not part of the current process.  This can happen
+	     if we detach from a program we original forked and then it
+	     exits.  */
+	  if (! WIFSTOPPED (status) && ! lp)
+	    {
+	      status = 0;
+	      continue;
+	    }
+
 	  if (! lp)
 	    {
 	      lp = add_lwp (BUILD_LWP (lwpid, GET_PID (inferior_ptid)));