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remove cooperate

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-06-12 20:15:46 -07:00
parent 42ac3a5363
commit e0d8cefde4
52 changed files with 0 additions and 204 deletions
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2
src/util/CMakeLists.txt
View file

@ -16,7 +16,6 @@ z3_add_component(util
bit_vector.cpp
cmd_context_types.cpp
common_msgs.cpp
cooperate.cpp
debug.cpp
env_params.cpp
fixed_bit_vector.cpp
@ -63,7 +62,6 @@ z3_add_component(util
EXTRA_REGISTER_MODULE_HEADERS
env_params.h
MEMORY_INIT_FINALIZER_HEADERS
cooperate.h
debug.h
gparams.h
prime_generator.h

59
src/util/cooperate.cpp
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@ -1,59 +0,0 @@
/*++
Copyright (c) 2011 Microsoft Corporation
Module Name:
cooperate.cpp
Abstract:
Cooperation support
Author:
Leonardo (leonardo) 2011-05-17
Notes:
--*/
#ifndef SINGLE_THREAD
#include "util/cooperate.h"
#include "util/trace.h"
#include "util/debug.h"
#include <atomic>
#include <mutex>
#include <thread>
static std::mutex* s_mux = nullptr;
void initialize_cooperate() {
s_mux = new std::mutex();
}
void finalize_cooperate() {
delete s_mux;
}
static std::atomic<std::thread::id> owner_thread;
bool cooperation_ctx::g_cooperate = false;
void cooperation_ctx::checkpoint(char const * task) {
SASSERT(cooperation_ctx::enabled());
std::thread::id tid = std::this_thread::get_id();
if (owner_thread == tid) {
owner_thread = std::thread::id();
s_mux->unlock();
}
// this critical section is used to force the owner thread to give a chance to
// another thread to get the lock
std::this_thread::yield();
s_mux->lock();
TRACE("cooperate_detail", tout << task << ", tid: " << tid << "\n";);
owner_thread = tid;
}
#endif

50
src/util/cooperate.h
View file

@ -1,50 +0,0 @@
/*++
Copyright (c) 2011 Microsoft Corporation
Module Name:
cooperate.h
Abstract:
Cooperation support
Author:
Leonardo (leonardo) 2011-05-17
Notes:
--*/
#pragma once
#ifndef SINGLE_THREAD
class cooperation_ctx {
static bool g_cooperate;
public:
static bool enabled() { return g_cooperate; }
static void checkpoint(char const * task);
};
inline void cooperate(char const * task) {
if (cooperation_ctx::enabled()) cooperation_ctx::checkpoint(task);
}
void initialize_cooperate();
void finalize_cooperate();
#else
inline void cooperate(char const *) {}
inline void initialize_cooperate() {}
inline void finalize_cooperate() {}
#endif
/*
ADD_INITIALIZER('initialize_cooperate();')
ADD_FINALIZER('finalize_cooperate();')
*/