Hello, everyone.I believe the following (and attached) patch to devel/gdb fixes PR ports/157342: "devel/gdb: Problem with running simple pthreads program under gdb-7.2 (Invalid selected thread)"
It works for me for the gdb from ports (7.3.1) on FreeBSD 9.0-RC1 amd64, but I don't have any other machines to test it on. Could someone please A) review this patch, B) test it, and/or C) tell me who to send it to / what the correct procedure is for getting it reviewed and/or applied? Thank you for your help.
Regards, Lee Thomas--- /freebsd_ports/devel/gdb/files/fbsd-threads.c 2011-10-29 13:04:09.000000000 -0400 +++ /gdb_threads_fix/devel/gdb/files/fbsd-threads.c 2011-10-29 16:53:16.000000000 -0400
@@ -733,11 +733,15 @@
if (ourstatus->value.sig == TARGET_SIGNAL_TRAP)
check_event(ret);
/* this is a hack, if an event won't cause gdb to stop, for
example,
- SIGARLM, gdb resumes the process immediatly without setting
+ SIGALRM, gdb resumes the process immediatly without setting
inferior_ptid to the new thread returned here, this is a bug
because inferior_ptid may already not exist there, and
passing
- a none existing thread to fbsd_thread_resume causes error. */ - if (!fbsd_thread_alive (ops, inferior_ptid))+ a non-existing thread to fbsd_thread_resume causes error. However,
+ if the exiting thread is the currently selected thread,+ then that is handled later in handle_inferior_event(), and we must
+ not delete the currently selected thread. + */+ if (!fbsd_thread_alive (ops, inferior_ptid) && !ptid_equal(inferior_ptid, ret))
{
delete_thread (inferior_ptid);
inferior_ptid = ret;
gdb_fix.diff
Description: Binary data
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