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authorUlrich Drepper <drepper@redhat.com>1999-10-08 07:03:03 +0000
committerUlrich Drepper <drepper@redhat.com>1999-10-08 07:03:03 +0000
commit9640bbe1c1fab7e1373e59160889b1fbc0bd000c (patch)
tree287038440c837cce542aba340414a0ce3b677f35 /linuxthreads_db/td_ta_map_id2thr.c
parent10507e559514de6b31d1b81cbcc3c81b662aef89 (diff)
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Update.
1999-10-07  Ulrich Drepper  <drepper@cygnus.com>

	* Implies: New file.
	* internals.h (struct _pthread_descr_struct): Add p_startfct.
	* manager.c (pthread_handle_create): Initialize p_startfct.
	* pthread.c: Define __linuxthread_pthread_sizeof_descr variable.
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
@@ -0,0 +1,47 @@
+/* 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;
+}