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author | Joseph Myers <joseph@codesourcery.com> | 2014-02-08 00:16:57 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2014-02-08 00:16:57 +0000 |
commit | 464263cc00549d2597b6d25309d55b1e4a6b1aac (patch) | |
tree | 4646131a3aa8ebb1b1749c453f7939fcd54ee2ec /ports/sysdeps/am33/linuxthreads/pspinlock.c | |
parent | 32749f6cd23f65a2df1bafbf9b69749bdded4b10 (diff) | |
download | glibc-464263cc00549d2597b6d25309d55b1e4a6b1aac.tar.gz glibc-464263cc00549d2597b6d25309d55b1e4a6b1aac.tar.xz glibc-464263cc00549d2597b6d25309d55b1e4a6b1aac.zip |
Remove am33 port.
This patch removes the am33 port (no other port #includes any files from it), as previously discussed (see <https://sourceware.org/ml/libc-ports/2014-01/msg00046.html>).
Diffstat (limited to 'ports/sysdeps/am33/linuxthreads/pspinlock.c')
-rw-r--r-- | ports/sysdeps/am33/linuxthreads/pspinlock.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/ports/sysdeps/am33/linuxthreads/pspinlock.c b/ports/sysdeps/am33/linuxthreads/pspinlock.c deleted file mode 100644 index 8113907a7a..0000000000 --- a/ports/sysdeps/am33/linuxthreads/pspinlock.c +++ /dev/null @@ -1,73 +0,0 @@ -/* POSIX spinlock implementation. AM33 version. - Copyright 2001-2014 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 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. If not, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <pthread.h> -#include "internals.h" - -int -__pthread_spin_lock (pthread_spinlock_t *lock) -{ - __asm__ __volatile__("1: bset %1, (%0); beq 1b" - : : "a" (lock), "d" (1) : "memory"); - return 0; -} -weak_alias (__pthread_spin_lock, pthread_spin_lock) - - -int -__pthread_spin_trylock (pthread_spinlock_t *lock) -{ - int oldval = 1; - - __asm__ __volatile__ ("bset %0, (%1); beq 1f; clr %0; 1:" : - "+d" (oldval) : "a" (lock) : "memory"); - - return oldval ? EBUSY : 0; -} -weak_alias (__pthread_spin_trylock, pthread_spin_trylock) - - -int -__pthread_spin_unlock (pthread_spinlock_t *lock) -{ - *lock = 0; - return 0; -} -weak_alias (__pthread_spin_unlock, pthread_spin_unlock) - - -int -__pthread_spin_init (pthread_spinlock_t *lock, int pshared) -{ - /* We can ignore the `pshared' parameter. Since we are busy-waiting - all processes which can access the memory location `lock' points - to can use the spinlock. */ - *lock = 0; - return 0; -} -weak_alias (__pthread_spin_init, pthread_spin_init) - - -int -__pthread_spin_destroy (pthread_spinlock_t *lock) -{ - /* Nothing to do. */ - return 0; -} -weak_alias (__pthread_spin_destroy, pthread_spin_destroy) |