From b3ba1b4442c71e25f857581f47db64cea2687f2e Mon Sep 17 00:00:00 2001 From: Daniel Jacobowitz Date: Thu, 9 Jan 2003 19:14:46 +0000 Subject: [PATCH] * lin-lwp.c (child_wait): Ignore exit statuses for processes other than inferior_ptid. (lin_lwp_wait): Ignore exit statuses for unknown LWPs. --- gdb/ChangeLog | 6 ++++++ gdb/lin-lwp.c | 21 ++++++++++++++++++++- 2 files changed, 26 insertions(+), 1 deletion(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 3be766ada5..11ca878116 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2003-01-09 Daniel Jacobowitz + + * 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 * frame.h (frame_obstack_zalloc): Replace frame_obstack_alloc. diff --git a/gdb/lin-lwp.c b/gdb/lin-lwp.c index 611892778d..aad8c19bb0 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)));