Overview
| Comment: | Add more atomic ops. |
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| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
78537d6ff3570ca3b64adbd9a55dbaa6 |
| User & Date: | js on 2010-01-29 15:22:35 |
| Other Links: | manifest | tags |
Context
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2010-01-29
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| 19:29 | Introduce OF_HAVE_PTHREADS define instead of #ifndef _WIN32. check-in: d08376bc1f user: js tags: trunk | |
| 15:22 | Add more atomic ops. check-in: 78537d6ff3 user: js tags: trunk | |
| 15:21 | Make retain count int32_t. check-in: b725e983ae user: js tags: trunk | |
Changes
Modified src/atomic.h from [ac71df6e7f] to [a774b233fa].
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8 9 10 11 12 13 14 | * Q Public License 1.0, which can be found in the file LICENSE included in * the packaging of this file. */ #import "objfw-defs.h" #if !defined(OF_THREADS) | | > | > > | | > > > > > | | | > > | > > > > > | 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | * Q Public License 1.0, which can be found in the file LICENSE included in * the packaging of this file. */ #import "objfw-defs.h" #if !defined(OF_THREADS) # define of_atomic_add32(p, i) (*p += i) # define of_atomic_sub32(p, i) (*p -= i) # define of_atomic_or32(p, i) (*p |= i) # define of_atomic_and32(p, i) (*p &= i) # define of_atomic_xor32(p, i) (*p ^= i) # define of_atomic_cmpswap32(p, o, n) (*p == o ? ((*p = n) ? 1 : 1) : 0) #elif defined(OF_HAVE_GCC_ATOMIC_OPS) # define of_atomic_add32(p, i) __sync_add_and_fetch(p, i) # define of_atomic_sub32(p, i) __sync_sub_and_fetch(p, i) # define of_atomic_or32(p, i) __sync_or_and_fetch(p, i) # define of_atomic_and32(p, i) __sync_and_and_fetch(p, i) # define of_atomic_xor32(p, i) __sync_xor_and_fetch(p, i) # define of_atomic_cmpswap32(p, o, n) __sync_bool_compare_and_swap(p, o, n) #elif defined(OF_HAVE_LIBKERN_OSATOMIC_H) # include <libkern/OSAtomic.h> # define of_atomic_add32(p, i) OSAtomicAdd32Barrier(i, p) # define of_atomic_sub32(p, i) OSAtomicAdd32Barriar(-(i), p) # define of_atomic_inc32(p) OSAtomicIncrement32Barrier(p) # define of_atomic_dec32(p) OSAtomicDecrement32Barrier(p) # define of_atomic_or32(p, i) OSAtomicOr32Barrier(i, p) # define of_atomic_and32(p, i) OSAtomicAnd32Barrier(i, p) # define of_atomic_xor32(p, i) OSAtomicXor32Barrier(i, p) # define of_atomic_cmpswap32(p, o, n) OSAtomicCompareAndSwap32Barrier(o, n, p) #else # error No atomic operations available! #endif #if !defined(OF_THREADS) || defined(OF_HAVE_GCC_ATOMIC_OPS) # define of_atomic_inc32(p) of_atomic_add32(p, 1) # define of_atomic_dec32(p) of_atomic_sub32(p, 1) #endif typedef int32_t of_spinlock_t; #ifdef OF_THREADS # define of_spinlock_lock(s) while (!of_atomic_cmpswap32(&s, 0, 1)); # define of_spinlock_unlock(s) s = 0 #else # define of_spinlock_lock(s) # define of_spinlock_unlock(s) #endif |