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Diffstat (limited to 'linuxthreads_db/td_ta_map_id2thr.c')
-rw-r--r--linuxthreads_db/td_ta_map_id2thr.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/linuxthreads_db/td_ta_map_id2thr.c b/linuxthreads_db/td_ta_map_id2thr.c
new file mode 100644
index 0000000000..ffbc8b2908
--- /dev/null
+++ b/linuxthreads_db/td_ta_map_id2thr.c
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+/* Map thread ID to thread handle.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_map_id2thr (const td_thragent_t *ta, pthread_t pt, td_thrhandle_t *th)
+{
+ struct pthread_handle_struct *handles = ta->handles;
+ struct pthread_handle_struct phc;
+ int pthread_threads_max = ta->pthread_threads_max;
+
+ LOG (__FUNCTION__);
+
+ /* We can compute the entry in the handle array we want. */
+ if (ps_pdread (ta->ph, handles + pt % pthread_threads_max, &phc,
+ sizeof (struct pthread_handle_struct)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Test whether this entry is in use. */
+ if (phc.h_descr == NULL)
+ return TD_BADTH;
+
+ /* Create the `td_thrhandle_t' object. */
+ th->th_ta_p = (td_thragent_t *) ta;
+ th->th_unique = phc.h_descr;
+
+ return TD_OK;
+}