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authorRoland McGrath <roland@gnu.org>2007-06-26 06:47:56 +0000
committerRoland McGrath <roland@gnu.org>2007-06-26 06:47:56 +0000
commit7d9d8bd18906fdd17364f372b160d7ab896ce909 (patch)
treee6b4df694ddfc1b6457b8e8b8fb853fc4b10560c /nptl_db/td_thr_event_enable.c
parent0ecf9c1064e40f02d4b4e693e676c0f113372d57 (diff)
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* init.c (__nptl_initial_report_events): New variable.
(__pthread_initialize_minimal_internal): Initialize pd->report_events to that.
Diffstat (limited to 'nptl_db/td_thr_event_enable.c')
-rw-r--r--nptl_db/td_thr_event_enable.c24
1 files changed, 21 insertions, 3 deletions
diff --git a/nptl_db/td_thr_event_enable.c b/nptl_db/td_thr_event_enable.c
index a02be5da44..c8b2cd463d 100644
--- a/nptl_db/td_thr_event_enable.c
+++ b/nptl_db/td_thr_event_enable.c
@@ -1,5 +1,5 @@
/* Enable event process-wide.
- Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2001, 2002, 2003, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
@@ -28,7 +28,25 @@ td_thr_event_enable (th, onoff)
{
LOG ("td_thr_event_enable");
- /* Write the new value into the thread data structure. */
- return DB_PUT_FIELD (th->th_ta_p, th->th_unique, pthread, report_events, 0,
+ if (th->th_unique != 0)
+ {
+ /* Write the new value into the thread data structure. */
+ td_err_e err = DB_PUT_FIELD (th->th_ta_p, th->th_unique, pthread,
+ report_events, 0,
+ (psaddr_t) 0 + (onoff != 0));
+ if (err != TD_OK)
+ return err;
+
+ /* Just in case we are in the window between initializing __stack_user
+ and copying from __nptl_initial_report_events, we set it too.
+ It doesn't hurt to do this for non-initial threads, since it
+ won't be consulted again anyway. It would take another fetch
+ to get the tid and determine this isn't the initial thread,
+ so just do it always. */
+ }
+
+ /* We are faking it for the initial thread before its thread
+ descriptor is set up. */
+ return DB_PUT_VALUE (th->th_ta_p, __nptl_initial_report_events, 0,
(psaddr_t) 0 + (onoff != 0));
}