diff options
Diffstat (limited to 'libpthread/linuxthreads_db/td_thr_validate.c')
| -rw-r--r-- | libpthread/linuxthreads_db/td_thr_validate.c | 21 |
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? */ |