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Diffstat (limited to 'libpthread/linuxthreads_db/td_thr_validate.c')
-rw-r--r--libpthread/linuxthreads_db/td_thr_validate.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/libpthread/linuxthreads_db/td_thr_validate.c b/libpthread/linuxthreads_db/td_thr_validate.c
index 354471071..e18b5728b 100644
--- a/libpthread/linuxthreads_db/td_thr_validate.c
+++ b/libpthread/linuxthreads_db/td_thr_validate.c
@@ -1,5 +1,5 @@
/* Validate a thread handle.
- Copyright (C) 1999, 2001 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
@@ -19,6 +19,7 @@
02111-1307 USA. */
#include "thread_dbP.h"
+#include "../linuxthreads/internals.h"
td_err_e
@@ -27,14 +28,26 @@ td_thr_validate (const td_thrhandle_t *th)
struct pthread_handle_struct *handles = th->th_ta_p->handles;
int pthread_threads_max = th->th_ta_p->pthread_threads_max;
int cnt;
+ struct pthread_handle_struct phc;
- LOG (__FUNCTION__);
+ LOG ("td_thr_validate");
+
+ /* A special case: if the program just starts up the handle is
+ NULL. */
+ if (th->th_unique == NULL)
+ {
+ /* Read the first handle. If the pointer to the thread
+ descriptor is not NULL this is an error. */
+ if (ps_pdread (th->th_ta_p->ph, handles, &phc,
+ sizeof (struct pthread_handle_struct)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return phc.h_descr == NULL ? TD_OK : TD_NOTHR;
+ }
/* Now get all descriptors, one after the other. */
for (cnt = 0; cnt < pthread_threads_max; ++cnt, ++handles)
{
- struct pthread_handle_struct phc;
-
if (ps_pdread (th->th_ta_p->ph, handles, &phc,
sizeof (struct pthread_handle_struct)) != PS_OK)
return TD_ERR; /* XXX Other error value? */