123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687 |
- /*
- * Copyright (C) 2011-2017 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #include "se_thread.h"
- #include "se_types.h"
- void se_mutex_init(se_mutex_t* mutex)
- {
- #ifdef PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
- se_mutex_t tmp = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
- #elif defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER)
- se_mutex_t tmp = PTHREAD_RECURSIVE_MUTEX_INITIALIZER;
- #else
- #error no pre-defined RECURSIVE_MUTEX found.
- #endif
- /* C doesn't allow `*mutex = PTHREAD_..._INITIALIZER'.*/
- memcpy(mutex, &tmp, sizeof(tmp));
- }
- int se_mutex_lock(se_mutex_t* mutex) { return (0 == pthread_mutex_lock(mutex)); }
- int se_mutex_unlock(se_mutex_t* mutex) { return (0 == pthread_mutex_unlock(mutex)); }
- int se_mutex_destroy(se_mutex_t* mutex) { return (0 == pthread_mutex_destroy(mutex));}
- unsigned int se_get_threadid(void) { return (unsigned)syscall(__NR_gettid);}
- /* tls functions */
- int se_tls_alloc(se_tls_index_t *tls_index) { return !pthread_key_create(tls_index, NULL); }
- int se_tls_free(se_tls_index_t tls_index) { return !pthread_key_delete(tls_index); }
- void * se_tls_get_value(se_tls_index_t tls_index) { return pthread_getspecific(tls_index); }
- int se_tls_set_value(se_tls_index_t tls_index, void *tls_value) { return !pthread_setspecific(tls_index, tls_value); }
- /*
- se_thread_handle_t se_create_thread(size_t stack_size, thread_start_routine_t start_routine, void *param, se_thread_t *thread)
- {
- pthread_attr_t attr, *attr_ptr = NULL;
- int ret;
- if(stack_size > 0)
- {
- ret = pthread_attr_init(&attr);
- if(ret)
- return NULL;
- ret = pthread_attr_setstacksize(&attr, stack_size);
- if(ret)
- return NULL;
- attr_ptr = &attr;
- }
- else
- {
- attr_ptr = NULL;
- }
- ret = pthread_create(thread, attr_ptr, start_routine, param);
- if(ret)
- return NULL;
- if(attr_ptr)
- pthread_attr_destroy(&attr);
- return thread;
- }
- */
|