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//
//
// Copyright 2015 gRPC authors.
//
// 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 <grpc/support/port_platform.h>
#if defined(GPR_POSIX_SYNC) && !defined(GPR_ABSEIL_SYNC) && \
!defined(GPR_CUSTOM_SYNC)
#include <errno.h>
#include <time.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/sync.h>
#include <grpc/support/time.h>
#include "src/core/lib/gprpp/crash.h"
void gpr_mu_init(gpr_mu* mu) {
#ifdef GRPC_ASAN_ENABLED
GPR_ASSERT(pthread_mutex_init(&mu->mutex, nullptr) == 0);
mu->leak_checker = static_cast<int*>(malloc(sizeof(*mu->leak_checker)));
GPR_ASSERT(mu->leak_checker != nullptr);
#else
GPR_ASSERT(pthread_mutex_init(mu, nullptr) == 0);
#endif
}
void gpr_mu_destroy(gpr_mu* mu) {
#ifdef GRPC_ASAN_ENABLED
GPR_ASSERT(pthread_mutex_destroy(&mu->mutex) == 0);
free(mu->leak_checker);
#else
GPR_ASSERT(pthread_mutex_destroy(mu) == 0);
#endif
}
void gpr_mu_lock(gpr_mu* mu) {
#ifdef GRPC_ASAN_ENABLED
GPR_ASSERT(pthread_mutex_lock(&mu->mutex) == 0);
#else
GPR_ASSERT(pthread_mutex_lock(mu) == 0);
#endif
}
void gpr_mu_unlock(gpr_mu* mu) {
#ifdef GRPC_ASAN_ENABLED
GPR_ASSERT(pthread_mutex_unlock(&mu->mutex) == 0);
#else
GPR_ASSERT(pthread_mutex_unlock(mu) == 0);
#endif
}
int gpr_mu_trylock(gpr_mu* mu) {
int err = 0;
#ifdef GRPC_ASAN_ENABLED
err = pthread_mutex_trylock(&mu->mutex);
#else
err = pthread_mutex_trylock(mu);
#endif
GPR_ASSERT(err == 0 || err == EBUSY);
return err == 0;
}
//----------------------------------------
void gpr_cv_init(gpr_cv* cv) {
pthread_condattr_t attr;
GPR_ASSERT(pthread_condattr_init(&attr) == 0);
#if GPR_LINUX
GPR_ASSERT(pthread_condattr_setclock(&attr, CLOCK_MONOTONIC) == 0);
#endif // GPR_LINUX
#ifdef GRPC_ASAN_ENABLED
GPR_ASSERT(pthread_cond_init(&cv->cond_var, &attr) == 0);
cv->leak_checker = static_cast<int*>(malloc(sizeof(*cv->leak_checker)));
GPR_ASSERT(cv->leak_checker != nullptr);
#else
GPR_ASSERT(pthread_cond_init(cv, &attr) == 0);
#endif
}
void gpr_cv_destroy(gpr_cv* cv) {
#ifdef GRPC_ASAN_ENABLED
GPR_ASSERT(pthread_cond_destroy(&cv->cond_var) == 0);
free(cv->leak_checker);
#else
GPR_ASSERT(pthread_cond_destroy(cv) == 0);
#endif
}
int gpr_cv_wait(gpr_cv* cv, gpr_mu* mu, gpr_timespec abs_deadline) {
int err = 0;
if (gpr_time_cmp(abs_deadline, gpr_inf_future(abs_deadline.clock_type)) ==
0) {
#ifdef GRPC_ASAN_ENABLED
err = pthread_cond_wait(&cv->cond_var, &mu->mutex);
#else
err = pthread_cond_wait(cv, mu);
#endif
} else {
struct timespec abs_deadline_ts;
#if GPR_LINUX
abs_deadline = gpr_convert_clock_type(abs_deadline, GPR_CLOCK_MONOTONIC);
#else
abs_deadline = gpr_convert_clock_type(abs_deadline, GPR_CLOCK_REALTIME);
abs_deadline = gpr_time_max(abs_deadline, gpr_now(abs_deadline.clock_type));
#endif // GPR_LINUX
abs_deadline_ts.tv_sec = static_cast<time_t>(abs_deadline.tv_sec);
abs_deadline_ts.tv_nsec = abs_deadline.tv_nsec;
#ifdef GRPC_ASAN_ENABLED
err = pthread_cond_timedwait(&cv->cond_var, &mu->mutex, &abs_deadline_ts);
#else
err = pthread_cond_timedwait(cv, mu, &abs_deadline_ts);
#endif
}
GPR_ASSERT(err == 0 || err == ETIMEDOUT || err == EAGAIN);
return err == ETIMEDOUT;
}
void gpr_cv_signal(gpr_cv* cv) {
#ifdef GRPC_ASAN_ENABLED
GPR_ASSERT(pthread_cond_signal(&cv->cond_var) == 0);
#else
GPR_ASSERT(pthread_cond_signal(cv) == 0);
#endif
}
void gpr_cv_broadcast(gpr_cv* cv) {
#ifdef GRPC_ASAN_ENABLED
GPR_ASSERT(pthread_cond_broadcast(&cv->cond_var) == 0);
#else
GPR_ASSERT(pthread_cond_broadcast(cv) == 0);
#endif
}
//----------------------------------------
void gpr_once_init(gpr_once* once, void (*init_function)(void)) {
GPR_ASSERT(pthread_once(once, init_function) == 0);
}
#endif // defined(GPR_POSIX_SYNC) && !defined(GPR_ABSEIL_SYNC) && \
// !defined(GPR_CUSTOM_SYNC)
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