From d5ed0118caf96e8b0d9d17e8434efafb8a183629 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Thu, 5 Dec 2002 05:15:35 +0000 Subject: * 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 | 9 ++++++ nptl/forward.c | 2 +- nptl/pthread_create.c | 2 +- nptl/sysdeps/generic/td_ta_map_lwp2thr.c | 45 ++++++++++++++++++++++++++++++ nptl/sysdeps/i386/td_ta_map_lwp2thr.c | 48 ++++++++++++++++++++++++++++++++ 5 files changed, 104 insertions(+), 2 deletions(-) create mode 100644 nptl/sysdeps/generic/td_ta_map_lwp2thr.c create mode 100644 nptl/sysdeps/i386/td_ta_map_lwp2thr.c diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 45a7b34c9a..154851a16b 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,12 @@ +2002-12-04 Roland McGrath + + * 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 * sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h: Make pthread_t diff --git a/nptl/forward.c b/nptl/forward.c index 29f291d555..491e0caed8 100644 --- a/nptl/forward.c +++ b/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), diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c index 5fef400ee4..033c0783ea 100644 --- a/nptl/pthread_create.c +++ b/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); } diff --git a/nptl/sysdeps/generic/td_ta_map_lwp2thr.c b/nptl/sysdeps/generic/td_ta_map_lwp2thr.c new file mode 100644 index 0000000000..126673e9af --- /dev/null +++ b/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 +#include + + +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; +} 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 , 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 +#include + + +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; +} -- cgit 1.4.1