diff mbox

[pushed] libthread_db: attaching to terminated/joined threads, debug output

Message ID 1423240440-23906-1-git-send-email-palves@redhat.com
State Committed
Headers

Commit Message

Pedro Alves Feb. 6, 2015, 4:34 p.m. UTC 
  Add a bit of debug output that made things a bit easier for me before.

gdb/
2015-02-06  Pedro Alves  <palves@redhat.com>

	* linux-thread-db.c (find_new_threads_callback): Add debug output.

gdb/gdbserver/
2015-02-06  Pedro Alves  <palves@redhat.com>

	* thread-db.c (find_new_threads_callback): Add debug output.
---
 gdb/ChangeLog             | 4 ++++
 gdb/gdbserver/ChangeLog   | 4 ++++
 gdb/gdbserver/thread-db.c | 3 +++
 gdb/linux-thread-db.c     | 4 ++++
 4 files changed, 15 insertions(+)
diff mbox

Patch

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index dbeef19..03c85f2 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@ 
+2015-02-06  Pedro Alves  <palves@redhat.com>
+
+	* linux-thread-db.c (find_new_threads_callback): Add debug output.
+
 2015-02-06  Simon Marchi  <simon.marchi@ericsson.com>
 
 	PR gdb/15678
diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index f55add2..866e2d6 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,3 +1,7 @@ 
+2015-02-06  Pedro Alves  <palves@redhat.com>
+
+	* thread-db.c (find_new_threads_callback): Add debug output.
+
 2015-02-04  Pedro Alves  <palves@redhat.com>
 
 	* linux-low.c (handle_extended_wait): Don't resume LWPs here.
diff --git a/gdb/gdbserver/thread-db.c b/gdb/gdbserver/thread-db.c
index b0d1f0d..2185245 100644
--- a/gdb/gdbserver/thread-db.c
+++ b/gdb/gdbserver/thread-db.c
@@ -404,6 +404,9 @@  find_new_threads_callback (const td_thrhandle_t *th_p, void *data)
 	 thread that previously exited and was joined.  (glibc marks
 	 terminated and joined threads with kernel thread ID -1.  See
 	 glibc PR17707.  */
+      if (debug_threads)
+	debug_printf ("thread_db: skipping exited and "
+		      "joined thread (0x%lx)\n", ti.ti_tid);
       return 0;
     }
 
diff --git a/gdb/linux-thread-db.c b/gdb/linux-thread-db.c
index 156cfe7..6b525a0 100644
--- a/gdb/linux-thread-db.c
+++ b/gdb/linux-thread-db.c
@@ -1639,6 +1639,10 @@  find_new_threads_callback (const td_thrhandle_t *th_p, void *data)
 	 thread that previously exited and was joined.  (glibc marks
 	 terminated and joined threads with kernel thread ID -1.  See
 	 glibc PR17707.  */
+      if (libthread_db_debug)
+	fprintf_unfiltered (gdb_stdlog,
+			    "thread_db: skipping exited and "
+			    "joined thread (0x%lx)\n", ti.ti_tid);
       return 0;
     }