* 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.

nptl/ChangeLog

@@ -1,3 +1,12 @@
+2002-12-04  Roland McGrath  <roland@redhat.com>
+
+	* 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.
+
 2002-12-04  Ulrich Drepper  <drepper@redhat.com>
 
 	* sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h: Make pthread_t

nptl/forward.c

@@ -139,7 +139,7 @@ FORWARD (pthread_mutex_lock, (pthread_mutex_t *mutex), (mutex), 0);
 FORWARD (pthread_mutex_unlock, (pthread_mutex_t *mutex), (mutex), 0);
 
 
-FORWARD (pthread_self, (void), (), 0);
+FORWARD3 (pthread_self, pthread_t, (void), (), return 0, GLIBC_2_0);
 
 
 FORWARD (pthread_setcancelstate, (int state, int *oldstate), (state, oldstate),

nptl/pthread_create.c

@@ -233,7 +233,7 @@ start_thread (void *arg)
 
 	      do
 		pd->nextevent = __nptl_last_event;
-	      while (atomic_compare_and_exchange_acq (__nptl_last_event, pd,
+	      while (atomic_compare_and_exchange_acq (&__nptl_last_event, pd,
 						      pd->nextevent) != 0);
 	    }
 

nptl/sysdeps/generic/td_ta_map_lwp2thr.c

@@ -0,0 +1,45 @@
+/* Which thread is running on an LWP?  Stub version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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;
+
+# error port this file
+  // th->th_unique = thread register;
+
+  /* Found it.  Now complete the `td_thrhandle_t' object.  */
+  th->th_ta_p = (td_thragent_t *) ta;
+
+  return TD_OK;
+}

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;
+}