提交 db13fddc 编写于 作者: Y Yu Yang

Clean locks.h, Add arch Locks.cpp

上级 738b6894
develop 2.0.1-rocm-post Ligoml-patch-1 OliverLPH-patch-1 OliverLPH-patch-2 PaddlePM-patch-1 PaddlePM-patch-2 ZHUI-patch-1 add_default_att add_model_benchmark_ci add_some_yaml_config addfile all_new_design_exec ascendrc ascendrelease cherry_undefined_var compile_windows delete_2.0.1-rocm-post delete_add_default_att delete_all_new_design_exec delete_ascendrc delete_compile_windows delete_delete_addfile delete_disable_iterable_dataset_unittest delete_fix_dataloader_memory_leak delete_fix_imperative_dygraph_error delete_fix_retry_ci delete_fix_undefined_var delete_improve_sccache delete_incubate/lite delete_paddle_tiny_install delete_paralleltest delete_prv-disable-more-cache delete_revert-31068-fix_conv3d_windows delete_revert-31562-mean delete_revert-33630-bug-fix delete_revert-34159-add_npu_bce_logical_dev delete_revert-34910-spinlocks_for_allocator delete_revert-35069-revert-34910-spinlocks_for_allocator delete_revert-36057-dev/read_flags_in_ut dingjiaweiww-patch-1 disable_iterable_dataset_unittest dy2static enable_eager_model_test final_state_gen_python_c final_state_intermediate fix-numpy-issue fix_concat_slice fix_dataloader_memory_leak fix_imperative_dygraph_error fix_npu_ci fix_op_flops fix_retry_ci fix_rnn_docs fix_tensor_type fix_undefined_var fixiscan fixiscan1 fixiscan2 fixiscan3 github/fork/123malin/netifaces github/fork/123malin/tdm_abacus github/fork/AshburnLee/dev_unique github/fork/ForFishes/fix_memory_matmul github/fork/ForFishes/rm_fluid github/fork/LielinJiang/move-2.0-api github/fork/LielinJiang/visual-dl-cb github/fork/LiuChiachi/add-transformer-generate-square-subsequent-mask-api github/fork/LiuChiachi/fix-example-code-for-hapi-Model github/fork/LiuChiachi/remove-input-requirment-in-dygraph-Model github/fork/MrChengmo/fix_ps_profiler github/fork/MrChengmo/update_ps_heter github/fork/PWhiddy/patch-1 github/fork/Shixiaowei02/dev/save_load_upgrade github/fork/TCChenlong/fix_hapi github/fork/TCChenlong/fix_inden github/fork/Thunderbrook/xpu_slice github/fork/XieYunshen/disable_ut_test_parallel_executor_fetch_isolated_var github/fork/XieYunshen/disable_ut_test_parallel_executor_fetch_isolated_var_2 github/fork/XieYunshen/disable_ut_test_parallel_executor_fetch_isolated_var_3 github/fork/XieYunshen/timeout_20S_ut github/fork/ZeyuChen/remove-nltk github/fork/arlesniak/arlesniak/selective__mkldnn_flags github/fork/baiyfbupt/code_doc_mig github/fork/chalsliu/set_timeout github/fork/chen-zhiyu/develop github/fork/chenwhql/ci/try_to_find_test_buffer_shared_memory_reuse_pass_error github/fork/chenwhql/dygraph/remove_scale_loss_and_apply_collective_grads github/fork/chenwhql/saveload/add_get_inference_program github/fork/chenwhql/saveload/remove_save_load_config github/fork/cryoco/pass-compatibility-trt github/fork/danleifeng/isempty_api2.0 github/fork/frankwhzhang/api_transfer github/fork/hbwx24/error_msg/cuda_kernel_error_msg github/fork/heavengate/cherry_yolo_box github/fork/heavengate/update_yolo_box github/fork/iclementine/rnn_fix github/fork/iducn/testestse github/fork/jczaja/prv-25537-fix github/fork/jeff41404/release/1.8 github/fork/jiweibo/api_2.0 github/fork/jiweibo/fix_lite_resnet50_test github/fork/juncaipeng/fix_doc_1 github/fork/lfchener/sample_code github/fork/littletomatodonkey/fix_reg_doc github/fork/liym27/dy2stat_update_assign_to_rc20 github/fork/luotao1/profiler_ut github/fork/mapingshuo/add_wait github/fork/mapingshuo/doc_2.0 github/fork/mapingshuo/zero-0.5 github/fork/miraiwk/dev github/fork/pangyoki/add-Categorical-class-branch github/fork/pangyoki/add-multinomial-op-branch github/fork/pangyoki/fix-test_distritbution-CI github/fork/qjing666/doublegrad github/fork/qjing666/fix_hdfs_download github/fork/sandyhouse/add_gather_etc github/fork/sandyhouse/add_send_recv_alltoall_etc github/fork/sandyhouse/pipeline_exe_run github/fork/seiriosPlus/feature/large_scale_kv_save_delta github/fork/seiriosPlus/fix/paddle_errors_fix github/fork/seiriosPlus/fix/paddle_op_errors github/fork/shangzhizhou/fix_test_activation_op_random_bug github/fork/smallv0221/yxp0924 github/fork/smallv0221/yxp0925 github/fork/swtkiwi/del-matplotlib github/fork/tianshuo78520a/kunlun_test github/fork/tianshuo78520a/update_dockerfile github/fork/wanghaoshuang/bert_fuse github/fork/wanghaoshuang/label_smooth github/fork/wanghuancoder/develop_CUDASynchronize github/fork/wanghuancoder/develop_Layer_doc github/fork/wanghuancoder/develop_ParameterList_doc github/fork/wanghuancoder/develop_Sequential_doc github/fork/wanghuancoder/develop_bilinear_tensor_product github/fork/wanghuancoder/develop_coverage_build_sh github/fork/wanghuancoder/develop_in_dynamic_mode_doc github/fork/wanghuancoder/develop_unique_name_doc github/fork/wangxicoding/fleet_meta_combine github/fork/wawltor/error_message_fix_5 github/fork/willthefrog/remove_l2_norm github/fork/windstamp/momentum_op github/fork/windstamp/mv_op_5 github/fork/windstamp/normal_api github/fork/wojtuss/wojtuss/fusion_gru_quantization github/fork/wojtuss/wojtuss/quantization-with-shift github/fork/wzzju/fix_err_info github/fork/wzzju/pure_fp16 github/fork/xiemoyuan/op_error_message github/fork/xiemoyuan/optimize_error_message github/fork/yaoxuefeng6/fix_doc github/fork/yaoxuefeng6/mod_dataset_v2 github/fork/yongqiangma/lod github/fork/ysh329/fix-clip-by-norm-error github/fork/ysh329/fix-error-clip-by-value github/fork/yukavio/error_info github/fork/zhangting2020/conv_filter_grad github/fork/zhangting2020/is_compile_with_cuda github/fork/zhangting2020/place_doc github/fork/zhangting2020/program github/fork/zhhsplendid/fix_any github/fork/zhhsplendid/refine_api2 github/fork/zhhsplendid/refine_api2_test github/fork/zhhsplendid/refine_api_test_ptb_lm github/fork/zhhsplendid/refine_api_test_resnet github/fork/zhhsplendid/refine_api_test_simnet github/fork/zhiqiu/dev/refine_initializer github/fork/zhiqiu/dev/remove_inplace_argument github/fork/zlsh80826/nvinfer_plugin_var_len_cuda11 improve_sccache incubate/infrt incubate/lite inplace_addto make_flag_adding_easier master move_embedding_to_phi move_histogram_to_pten move_sgd_to_phi move_slice_to_pten move_temporal_shift_to_phi move_yolo_box_to_phi npu_fix_alloc numel paddle_tiny_install paralleltest preln_ernie prv-disable-more-cache prv-md-even-more prv-onednn-2.5 pten_tensor_refactor release/0.10.0 release/0.11.0 release/0.12.0 release/0.13.0 release/0.14.0 release/0.15.0 release/1.0.0 release/1.1 release/1.2 release/1.3 release/1.4 release/1.5 release/1.6 release/1.7 release/1.8 release/2.0 release/2.0-alpha release/2.0-beta release/2.0-rc release/2.0-rc1 release/2.1 release/2.2 release/2.3 release/2.3-fc-ernie-fix release/2.4 release/lite-0.1 revert-24981-add_device_attr_for_regulization revert-26856-strategy_example2 revert-27520-disable_pr revert-31068-fix_conv3d_windows revert-31562-mean revert-32290-develop-hardlabel revert-33037-forci revert-33475-fix_cifar_label_dimension revert-33630-bug-fix revert-34159-add_npu_bce_logical_dev revert-34406-add_copy_from_tensor revert-34910-spinlocks_for_allocator revert-35069-revert-34910-spinlocks_for_allocator revert-36057-dev/read_flags_in_ut revert-36201-refine_fast_threaded_ssa_graph_executor revert-36985-add_license revert-37318-refactor_dygraph_to_eager revert-37926-eager_coreops_500 revert-37956-revert-37727-pylayer_support_tuple revert-38100-mingdong revert-38301-allocation_rearrange_pr revert-38703-numpy_bf16_package_reupload revert-38732-remove_useless_header_in_elementwise_mul_grad revert-38959-Reduce_Grad revert-39143-adjust_empty revert-39227-move_trace_op_to_pten revert-39268-dev/remove_concat_fluid_kernel revert-40170-support_partial_grad revert-41056-revert-40727-move_some_activaion_to_phi revert-41065-revert-40993-mv_ele_floordiv_pow revert-41068-revert-40790-phi_new revert-41944-smaller_inference_api_test revert-42149-do-not-reset-default-stream-for-stream-safe-cuda-allocator revert-43155-fix_ut_tempfile revert-43882-revert-41944-smaller_inference_api_test revert-45808-phi/simplify_size_op revert-46827-deform_comment rocm_dev_0217 support_weight_transpose test_benchmark_ci test_feature_precision_test_c test_model_benchmark test_model_benchmark_ci zhiqiu-patch-1 v2.4.0-rc0 v2.3.2 v2.3.1 v2.3.0 v2.3.0-rc0 v2.2.2 v2.2.1 v2.2.0 v2.2.0-rc0 v2.2.0-bak0 v2.1.3 v2.1.2 v2.1.1 v2.1.0 v2.1.0-rc0 v2.0.2 v2.0.1 v2.0.0 v2.0.0-rc1 v2.0.0-rc0 v2.0.0-beta0 v2.0.0-alpha0 v1.8.5 v1.8.4 v1.8.3 v1.8.2 v1.8.1 v1.8.0 v1.7.2 v1.7.1 v1.7.0 v1.6.3 v1.6.2 v1.6.1 v1.6.0 v1.6.0-rc0 v1.5.2 v1.5.1 v1.5.0 v1.4.1 v1.4.0 v1.3.2 v1.3.1 v1.3.0 v1.2.1 v1.2.0 v1.1.0 v1.0.2 v1.0.1 v1.0.0 v1.0.0-rc0 v0.15.0 v0.15.0-rc0 v0.14.0 v0.13.0 v0.12.0 v0.11.1a2 v0.11.1a1 v0.11.0 v0.10.0 v0.10.0rc4 v0.10.0rc v0.9.0 v0.9.0a0 lite-v0.1 V0.8.0b1
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*.DS_Store
build/
*.user
......@@ -2,12 +2,18 @@
file(GLOB UTIL_HEADERS . *.h)
file(GLOB UTIL_SOURCES . *.cpp)
if(APPLE)
file(GLOB UTIL_ARCH_SOURCES . arch/osx/*.cpp)
else()
file(GLOB UTIL_ARCH_SOURCES . arch/linux/*.cpp)
endif()
add_library(paddle_utils STATIC
${UTIL_SOURCES})
${UTIL_SOURCES}
${UTIL_ARCH_SOURCES})
add_style_check_target(paddle_utils ${UTIL_HEADERS})
add_style_check_target(paddle_utils ${UTIL_SOURCES})
add_style_check_target(paddle_utils ${UTIL_SOURCES}
${UTIL_ARCH_SOURCES})
add_dependencies(paddle_utils gen_proto_cpp)
if(WITH_TESTING)
add_subdirectory(tests)
endif()
\ No newline at end of file
endif()
/* Copyright (c) 2016 Baidu, Inc. All Rights Reserve.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. */
#ifdef __APPLE__
#include <dispatch/dispatch.h>
#endif
#ifdef __APPLE__
#ifndef PTHREAD_BARRIER_H_
#define PTHREAD_BARRIER_H_
#include <pthread.h>
#include <errno.h>
typedef int pthread_barrierattr_t;
typedef struct {
pthread_mutex_t mutex;
pthread_cond_t cond;
int count;
int tripCount;
} pthread_barrier_t;
int pthread_barrier_init(pthread_barrier_t *barrier,
const pthread_barrierattr_t *attr, unsigned int count) {
if (count == 0) {
errno = EINVAL;
return -1;
}
if (pthread_mutex_init(&barrier->mutex, 0) < 0) {
return -1;
}
if (pthread_cond_init(&barrier->cond, 0) < 0) {
pthread_mutex_destroy(&barrier->mutex);
return -1;
}
barrier->tripCount = count;
barrier->count = 0;
return 0;
}
int pthread_barrier_destroy(pthread_barrier_t *barrier) {
pthread_cond_destroy(&barrier->cond);
pthread_mutex_destroy(&barrier->mutex);
return 0;
}
int pthread_barrier_wait(pthread_barrier_t *barrier) {
pthread_mutex_lock(&barrier->mutex);
++(barrier->count);
if (barrier->count >= barrier->tripCount) {
barrier->count = 0;
pthread_cond_broadcast(&barrier->cond);
pthread_mutex_unlock(&barrier->mutex);
return 1;
} else {
pthread_cond_wait(&barrier->cond, &(barrier->mutex));
pthread_mutex_unlock(&barrier->mutex);
return 0;
}
}
#endif // PTHREAD_BARRIER_H_
typedef int pthread_spinlock_t;
int pthread_spin_init(pthread_spinlock_t *lock, int pshared) {
__asm__ __volatile__("" ::: "memory");
*lock = 0;
return 0;
}
int pthread_spin_destroy(pthread_spinlock_t *lock) {
return 0;
}
int pthread_spin_lock(pthread_spinlock_t *lock) {
while (1) {
int i;
for (i=0; i < 10000; i++) {
if (__sync_bool_compare_and_swap(lock, 0, 1)) {
return 0;
}
}
sched_yield();
}
}
int pthread_spin_unlock(pthread_spinlock_t *lock) {
__asm__ __volatile__("" ::: "memory");
*lock = 0;
return 0;
}
#endif // __APPLE__
......@@ -16,56 +16,11 @@ limitations under the License. */
#pragma once
#include <pthread.h>
#include <semaphore.h>
#include <sys/time.h>
#include <unistd.h>
#include <condition_variable>
#include <mutex>
#ifdef __APPLE__
#include <dispatch/dispatch.h>
#endif
#ifdef __APPLE__
#ifndef PTHREAD_BARRIER_H_
#define PTHREAD_BARRIER_H_
#include <pthread.h>
#include <errno.h>
typedef int pthread_barrierattr_t;
typedef struct {
pthread_mutex_t mutex;
pthread_cond_t cond;
int count;
int tripCount;
} pthread_barrier_t;
extern int pthread_barrier_init(pthread_barrier_t *barrier,
const pthread_barrierattr_t *attr,
unsigned int count);
extern int pthread_barrier_destroy(pthread_barrier_t *barrier);
extern int pthread_barrier_wait(pthread_barrier_t *barrier);
#endif // PTHREAD_BARRIER_H_
typedef int pthread_spinlock_t;
extern int pthread_spin_init(pthread_spinlock_t *lock, int pshared);
extern int pthread_spin_destroy(pthread_spinlock_t *lock);
extern int pthread_spin_lock(pthread_spinlock_t *lock);
extern int pthread_spin_unlock(pthread_spinlock_t *lock);
#endif
#include "DisableCopy.h"
namespace paddle {
......@@ -142,58 +97,44 @@ protected:
* which means it will keep trying to lock until lock on successfully.
* The SpinLock disable copy.
*/
class SpinLockPrivate;
class SpinLock {
public:
SpinLock() { pthread_spin_init(&lock_, 0); }
~SpinLock() { pthread_spin_destroy(&lock_); }
SpinLock(const SpinLock&) = delete;
SpinLock& operator=(const SpinLock&) = delete;
DISABLE_COPY(SpinLock);
SpinLock();
~SpinLock();
// std::mutext interface
void lock() { pthread_spin_lock(&lock_); }
void unlock() { pthread_spin_unlock(&lock_); }
void lock();
void unlock();
protected:
pthread_spinlock_t lock_;
char padding_[64 - sizeof(pthread_spinlock_t)];
private:
SpinLockPrivate* m;
};
/**
* A simple wapper of semaphore which can only be shared in the same process.
*/
#ifdef __APPLE__
class SemaphorePrivate;
class Semaphore {
public:
explicit Semaphore(int initValue = 0) {
sem_ = dispatch_semaphore_create(initValue);
}
~Semaphore() { dispatch_release(sem_); }
bool timeWait(struct timespec* ts) {
dispatch_time_t m = dispatch_walltime(ts, 0);
return (0 == dispatch_semaphore_wait(sem_, m));
}
void wait() { dispatch_semaphore_wait(sem_, DISPATCH_TIME_FOREVER); }
void post() { dispatch_semaphore_signal(sem_);}
protected:
dispatch_semaphore_t sem_;
};
//! Disable copy & assign
Semaphore(const Semaphore& other) = delete;
Semaphore& operator= (const Semaphore&& other) = delete;
#else
//! Enable move.
Semaphore(Semaphore&& other): m(std::move(other.m)) {
}
class Semaphore {
public:
/**
* @brief Construct Function.
* @param[in] initValue the initial value of the
* semaphore, default 0.
*/
explicit Semaphore(int initValue = 0) { sem_init(&sem_, 0, initValue); }
explicit Semaphore(int initValue = 0);
~Semaphore() { sem_destroy(&sem_); }
~Semaphore();
/**
* @brief The same as wait(), except if the decrement can not
......@@ -203,43 +144,38 @@ public:
* @return ture if the decrement proceeds before ts,
* else return false.
*/
bool timeWait(struct timespec* ts) { return (0 == sem_timedwait(&sem_, ts)); }
bool timeWait(struct timespec* ts);
/**
* @brief decrement the semaphore. If the semaphore's value is 0, then call blocks.
*/
void wait() { sem_wait(&sem_); }
void wait();
/**
* @brief increment the semaphore. If the semaphore's value
* greater than 0, wake up a thread blocked in wait().
*/
void post() { sem_post(&sem_); }
void post();
protected:
sem_t sem_;
private:
SemaphorePrivate* m;
};
#endif
static_assert(sizeof(SpinLock) == 64, "Wrong padding");
/**
* A simple wrapper of thread barrier.
* The ThreadBarrier disable copy.
*/
class ThreadBarrierPrivate;
class ThreadBarrier {
public:
DISABLE_COPY(ThreadBarrier);
/**
* @brief Construct Function. Initialize the barrier should
* wait for count threads in wait().
*/
explicit ThreadBarrier(int count) {
pthread_barrier_init(&barrier_, NULL, count);
}
~ThreadBarrier() { pthread_barrier_destroy(&barrier_); }
ThreadBarrier(const ThreadBarrier&) = delete;
ThreadBarrier& operator=(const ThreadBarrier&) = delete;
explicit ThreadBarrier(int count);
~ThreadBarrier();
/**
* @brief .
......@@ -247,10 +183,10 @@ public:
* then wake up all the count - 1 threads and continue run together.
* Else block the thread until waked by other thread .
*/
void wait() { pthread_barrier_wait(&barrier_); }
void wait();
protected:
pthread_barrier_t barrier_;
private:
ThreadBarrierPrivate* m;
};
/**
......
/* Copyright (c) 2016 Baidu, Inc. All Rights Reserve.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. */
#include "paddle/util/Locks.h"
#include <semaphore.h>
#include <unistd.h>
namespace paddle {
class SemaphorePrivate {
public:
sem_t sem;
};
Semaphore::Semaphore(int initValue): m(new SemaphorePrivate()) {
sem_init(&m->sem, 0, initValue);
}
Semaphore::~Semaphore() {
sem_destroy(&m->sem);
}
bool Semaphore::timeWait(struct timespec* ts) {
return (0 == sem_timedwait(&m->sem, ts));
}
void Semaphore::wait() {
sem_wait(&m->sem);
}
void Semaphore::post() {
sem_post(&m->sem);
}
class SpinLockPrivate {
public:
inline SpinLockPrivate() { pthread_spin_init(&lock_, 0); }
inline ~SpinLockPrivate() { pthread_spin_destroy(&lock_); }
pthread_spinlock_t lock_;
char padding_[64 - sizeof(pthread_spinlock_t)];
};
SpinLock::SpinLock():m(new SpinLockPrivate()) {}
SpinLock::~SpinLock() { delete m; }
void SpinLock::lock() {
pthread_spin_lock(&m->lock_);
}
void SpinLock::unlock() {
pthread_spin_unlock(&m->lock_);
}
class ThreadBarrierPrivate {
public:
pthread_barrier_t barrier_;
};
ThreadBarrier::ThreadBarrier(int count): m(new ThreadBarrierPrivate()) {
pthread_barrier_init(&m->barrier_, nullptr, count);
}
ThreadBarrier::~ThreadBarrier() {
pthread_barrier_destroy(&m->barrier_);
delete m;
}
void ThreadBarrier::wait() {
pthread_barrier_wait(&m->barrier_);
}
} // namespace paddle
\ No newline at end of file
/* Copyright (c) 2016 Baidu, Inc. All Rights Reserve.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. */
#include "paddle/utils/Locks.h"
#include "paddle/utils/Logging.h"
#include <dispatch/dispatch.h>
#include <libkern/OSAtomic.h>
namespace paddle {
class SemaphorePrivate {
public:
~SemaphorePrivate() {
dispatch_release(sem);
}
dispatch_semaphore_t sem;
};
Semaphore::Semaphore(int initValue): m(new SemaphorePrivate()) {
m->sem = dispatch_semaphore_create(initValue);
}
Semaphore::~Semaphore() {
delete m;
}
bool Semaphore::timeWait(timespec *ts) {
dispatch_time_t tm = dispatch_walltime(ts, 0);
return (0 == dispatch_semaphore_wait(m->sem, tm));
}
void Semaphore::wait() {
dispatch_semaphore_wait(m->sem, DISPATCH_TIME_FOREVER);
}
void Semaphore::post() {
dispatch_semaphore_signal(m->sem);
}
class SpinLockPrivate {
public:
SpinLockPrivate(): lock_(0) {}
OSSpinLock lock_;
char padding_[64 - sizeof(OSSpinLock)]; // Padding to cache line size
};
SpinLock::SpinLock(): m(new SpinLockPrivate()) {}
SpinLock::~SpinLock() { delete m; }
void SpinLock::lock() {
OSSpinLockLock(&m->lock_);
}
void SpinLock::unlock() {
OSSpinLockUnlock(&m->lock_);
}
class ThreadBarrierPrivate {
public:
pthread_mutex_t mutex;
pthread_cond_t cond;
int count;
int tripCount;
inline explicit ThreadBarrierPrivate(int cnt):count(0), tripCount(cnt) {
CHECK_NE(cnt, 0);
CHECK_GE(pthread_mutex_init(&mutex, 0), 0);
CHECK_GE(pthread_cond_init(&cond, 0), 0);
}
inline ~ThreadBarrierPrivate() {
pthread_cond_destroy(&cond);
pthread_mutex_destroy(&mutex);
}
/**
* @brief wait
* @return true if the last wait
*/
inline bool wait() {
pthread_mutex_lock(&mutex);
++count;
if (count > tripCount) {
count = 0;
pthread_cond_broadcast(&cond);
pthread_mutex_unlock(&mutex);
return true;
} else {
pthread_cond_wait(&cond, &mutex);
pthread_mutex_unlock(&mutex);
return false;
}
}
};
ThreadBarrier::ThreadBarrier(int count): m(new ThreadBarrierPrivate(count)) {}
ThreadBarrier::~ThreadBarrier() { delete m; }
void ThreadBarrier::wait() { m->wait(); }
} // namespace paddle
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