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-rw-r--r--nptl_db/td_ta_tsd_iter.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/nptl_db/td_ta_tsd_iter.c b/nptl_db/td_ta_tsd_iter.c
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+++ b/nptl_db/td_ta_tsd_iter.c
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+/* Iterate over a process's thread-specific data.
+   Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include "thread_dbP.h"
+#include <alloca.h>
+
+td_err_e
+td_ta_tsd_iter (const td_thragent_t *ta, td_key_iter_f *callback,
+		void *cbdata_p)
+{
+  LOG ("td_ta_tsd_iter");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  int pthread_keys_max = ta->pthread_keys_max;
+  struct pthread_key_struct *keys;
+  keys = (struct pthread_key_struct *) alloca (sizeof (keys[0])
+					       * pthread_keys_max);
+
+  /* Read all the information about the keys.  */
+  if (ps_pdread (ta->ph, ta->keys, keys,
+		 sizeof (keys[0]) * pthread_keys_max) != PS_OK)
+	return TD_ERR;	/* XXX Other error value?  */
+
+  /* Now get all descriptors, one after the other.  */
+  int cnt;
+  for (cnt = 0; cnt < pthread_keys_max; ++cnt)
+    if (!KEY_UNUSED (keys[cnt].seq)
+	/* Return with an error if the callback returns a nonzero value.  */
+	&& callback (cnt, keys[cnt].destr, cbdata_p) != 0)
+      return TD_DBERR;
+
+  return TD_OK;
+}