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authorRoland McGrath <roland@gnu.org>2002-12-05 05:15:35 +0000
committerRoland McGrath <roland@gnu.org>2002-12-05 05:15:35 +0000
commitd5ed0118caf96e8b0d9d17e8434efafb8a183629 (patch)
tree8075122699c2101df4b58e2a7486f2ecc26b9bbe /nptl/sysdeps/i386
parentac110745dcbef340ea4f5808f96a95bb306df3ae (diff)
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* forward.c (pthread_self): Use FORWARD3 macro to correct return type.
	* sysdeps/i386/td_ta_map_lwp2thr.c: Moved from ../nptl_db.
	* sysdeps/generic/td_ta_map_lwp2thr.c: New file.

	* pthread_create.c (start_thread): Add missing & on __nptl_last_event.
Diffstat (limited to 'nptl/sysdeps/i386')
-rw-r--r--nptl/sysdeps/i386/td_ta_map_lwp2thr.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/nptl/sysdeps/i386/td_ta_map_lwp2thr.c b/nptl/sysdeps/i386/td_ta_map_lwp2thr.c
new file mode 100644
index 0000000000..94f6d34987
--- /dev/null
+++ b/nptl/sysdeps/i386/td_ta_map_lwp2thr.c
@@ -0,0 +1,48 @@
+/* Which thread is running on an LWP?  i386 version.
+   Copyright (C) 1999, 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 <tls.h>
+#include <sys/reg.h>
+
+
+td_err_e
+td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
+{
+  LOG ("td_ta_map_lwp2thr");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  prgregset_t regs;
+  if (ps_lgetregs (ta->ph, lwpid, regs) != PS_OK)
+    return TD_ERR;
+
+  /* Get the thread area for the addressed thread.  */
+  if (ps_get_thread_area (ta->ph, lwpid, regs[GS] >> 3, &th->th_unique)
+      != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Found it.  Now complete the `td_thrhandle_t' object.  */
+  th->th_ta_p = (td_thragent_t *) ta;
+
+  return TD_OK;
+}