1 /* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "apr_arch_atomic.h" 18 19 #ifdef USE_ATOMICS_SOLARIS 20 21 #include <atomic.h> 22 apr_atomic_init(apr_pool_t * p)23 APR_DECLARE(apr_status_t) apr_atomic_init(apr_pool_t *p) 24 { 25 return APR_SUCCESS; 26 } 27 apr_atomic_read32(volatile apr_uint32_t * mem)28 APR_DECLARE(apr_uint32_t) apr_atomic_read32(volatile apr_uint32_t *mem) 29 { 30 return *mem; 31 } 32 apr_atomic_set32(volatile apr_uint32_t * mem,apr_uint32_t val)33 APR_DECLARE(void) apr_atomic_set32(volatile apr_uint32_t *mem, apr_uint32_t val) 34 { 35 *mem = val; 36 } 37 apr_atomic_add32(volatile apr_uint32_t * mem,apr_uint32_t val)38 APR_DECLARE(apr_uint32_t) apr_atomic_add32(volatile apr_uint32_t *mem, apr_uint32_t val) 39 { 40 return atomic_add_32_nv(mem, val) - val; 41 } 42 apr_atomic_sub32(volatile apr_uint32_t * mem,apr_uint32_t val)43 APR_DECLARE(void) apr_atomic_sub32(volatile apr_uint32_t *mem, apr_uint32_t val) 44 { 45 atomic_add_32(mem, -val); 46 } 47 apr_atomic_inc32(volatile apr_uint32_t * mem)48 APR_DECLARE(apr_uint32_t) apr_atomic_inc32(volatile apr_uint32_t *mem) 49 { 50 return atomic_inc_32_nv(mem) - 1; 51 } 52 apr_atomic_dec32(volatile apr_uint32_t * mem)53 APR_DECLARE(int) apr_atomic_dec32(volatile apr_uint32_t *mem) 54 { 55 return atomic_dec_32_nv(mem); 56 } 57 apr_atomic_cas32(volatile apr_uint32_t * mem,apr_uint32_t with,apr_uint32_t cmp)58 APR_DECLARE(apr_uint32_t) apr_atomic_cas32(volatile apr_uint32_t *mem, apr_uint32_t with, 59 apr_uint32_t cmp) 60 { 61 return atomic_cas_32(mem, cmp, with); 62 } 63 apr_atomic_xchg32(volatile apr_uint32_t * mem,apr_uint32_t val)64 APR_DECLARE(apr_uint32_t) apr_atomic_xchg32(volatile apr_uint32_t *mem, apr_uint32_t val) 65 { 66 return atomic_swap_32(mem, val); 67 } 68 apr_atomic_casptr(volatile void ** mem,void * with,const void * cmp)69 APR_DECLARE(void*) apr_atomic_casptr(volatile void **mem, void *with, const void *cmp) 70 { 71 return atomic_cas_ptr(mem, (void*) cmp, with); 72 } 73 apr_atomic_xchgptr(volatile void ** mem,void * with)74 APR_DECLARE(void*) apr_atomic_xchgptr(volatile void **mem, void *with) 75 { 76 return atomic_swap_ptr(mem, with); 77 } 78 79 #endif /* USE_ATOMICS_SOLARIS */ 80