mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-28 05:21:13 +00:00
949ec76407
* posix/sched.h: Change prototypes of sched_getaffinity and sched_setaffinity. Define CPU_SET, CPU_CLR, CPU_ISSET, and CPU_ZERO. * sysdeps/generic/sched_getaffinity.c: Adjust definition. * sysdeps/generic/sched_setaffinity.c: Likewise. * sysdeps/generic/bits/sched.h: Define __CPU_SETSIZE, __NCPUBITS, __CPUELT, __CPUMASK, cpu_set_t, __cpu_mask, __CPU_ZERO, __CPU_SET, __CPU_CLR, and __CPU_ISSET. * sysdeps/unix/sysv/linux/bits/sched.h: Likewise. * sysdeps/unix/sysv/linux/sched_getaffinity.c: New file. * sysdeps/unix/sysv/linux/sched_setaffinity.c: New file. * include/atomic.h (atomic_exchange_acq): Renamed from atomic_exchange. (atomic_exchange_rel): New #define. * sysdeps/ia64/bits/atomic.h: Likewise. * sysdeps/i386/i486/bits/atomic.h (atomic_exchange_acq): Renamed from atomic_exchange. * sysdeps/m68k/m68020/bits/atomic.h: Likewise. * sysdeps/powerpc/bits/atomic.h: Likewise. * sysdeps/sparc/sparc32/sparcv9/bits/atomic.h: Likewise. * sysdeps/sparc/sparc64/bits/atomic.h: Likewise. * sysdeps/x86_64/bits/atomic.h: Likewise. * csu/tst-atomic.c: Use atomic_exchange_acq instead of atomic_exchange.
89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
/* Atomic operations. sparcv9 version.
|
|
Copyright (C) 2003 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
|
|
|
|
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 <stdint.h>
|
|
|
|
typedef int8_t atomic8_t;
|
|
typedef uint8_t uatomic8_t;
|
|
typedef int_fast8_t atomic_fast8_t;
|
|
typedef uint_fast8_t uatomic_fast8_t;
|
|
|
|
typedef int16_t atomic16_t;
|
|
typedef uint16_t uatomic16_t;
|
|
typedef int_fast16_t atomic_fast16_t;
|
|
typedef uint_fast16_t uatomic_fast16_t;
|
|
|
|
typedef int32_t atomic32_t;
|
|
typedef uint32_t uatomic32_t;
|
|
typedef int_fast32_t atomic_fast32_t;
|
|
typedef uint_fast32_t uatomic_fast32_t;
|
|
|
|
typedef int64_t atomic64_t;
|
|
typedef uint64_t uatomic64_t;
|
|
typedef int_fast64_t atomic_fast64_t;
|
|
typedef uint_fast64_t uatomic_fast64_t;
|
|
|
|
typedef intptr_t atomicptr_t;
|
|
typedef uintptr_t uatomicptr_t;
|
|
typedef intmax_t atomic_max_t;
|
|
typedef uintmax_t uatomic_max_t;
|
|
|
|
|
|
#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \
|
|
(abort (), (__typeof (*mem)) 0)
|
|
|
|
#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
|
|
(abort (), (__typeof (*mem)) 0)
|
|
|
|
#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
|
|
({ \
|
|
__typeof (*(mem)) __acev_tmp; \
|
|
__typeof (mem) __acev_mem = (mem); \
|
|
__asm __volatile ("cas [%4], %2, %0" \
|
|
: "=r" (__acev_tmp), "=m" (*__acev_mem) \
|
|
: "r" (oldval), "m" (*__acev_mem), "r" (__acev_mem), \
|
|
"0" (newval)); \
|
|
__acev_tmp; })
|
|
|
|
/* This can be implemented if needed. */
|
|
#define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
|
|
(abort (), (__typeof (*mem)) 0)
|
|
|
|
#define atomic_exchange_acq(mem, newvalue) \
|
|
({ __typeof (*(mem)) __oldval; \
|
|
__typeof (mem) __memp = (mem); \
|
|
__typeof (*(mem)) __value = (newvalue); \
|
|
\
|
|
if (sizeof (*(mem)) == 4) \
|
|
__asm ("swap %0, %1" \
|
|
: "=m" (*__memp), "=r" (__oldval) \
|
|
: "m" (*__memp), "1" (__value)); \
|
|
else \
|
|
abort (); \
|
|
__oldval; })
|
|
|
|
#define atomic_full_barrier() \
|
|
__asm __volatile ("membar #LoadLoad | #LoadStore" \
|
|
" | #StoreLoad | #StoreStore" : : : "memory")
|
|
#define atomic_read_barrier() \
|
|
__asm __volatile ("membar #LoadLoad | #LoadStore" : : : "memory")
|
|
#define atomic_write_barrier() \
|
|
__asm __volatile ("membar #StoreLoad | #StoreStore" : : : "memory")
|