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/*
* Copyright (c), Zeriph Enterprises
* All rights reserved.
*
* Contributor(s):
* Zechariah Perez, omni (at) zeriph (dot) com
*
* THIS SOFTWARE IS PROVIDED BY ZERIPH 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 ZERIPH AND 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.
*/
#if !defined(OMNI_BASIC_THREAD_HPP)
#define OMNI_BASIC_THREAD_HPP 1
#include <omni/defs/class_macros.hpp>
#include <omni/types/thread_t.hpp>
#include <omni/sync/spin.hpp>
#include <omni/chrono/span.hpp>
#include <omni/sync/basic_lock.hpp>
#include <map>
#if defined(OMNI_32BIT_BASIC_THREAD)
#define OMNI_BTHRD_INT_FW uint32_t
#else
#define OMNI_BTHRD_INT_FW uint64_t
#endif
namespace omni {
namespace sync {
class basic_thread
{
public:
// Where a constructor specifies a delegate method, unless user specified, the default start type is NOW
basic_thread();
basic_thread(const omni::sync::basic_thread& cp);
OMNI_EXPLICIT basic_thread(const omni::sync::thread_flags& ops);
OMNI_EXPLICIT basic_thread(std::size_t max_stack_sz);
OMNI_EXPLICIT basic_thread(const omni::sync::thread_start& mthd);
OMNI_EXPLICIT basic_thread(const omni::sync::parameterized_thread_start& mthd);
basic_thread(const omni::sync::thread_t& tid,
const omni::sync::thread_handle_t& h);
basic_thread(const omni::sync::thread_start& mthd,
omni::sync::thread_start_type::enum_t st);
basic_thread(const omni::sync::thread_start& mthd,
std::size_t max_stack_sz);
basic_thread(const omni::sync::thread_start& mthd,
std::size_t max_stack_sz,
omni::sync::thread_start_type::enum_t st);
basic_thread(const omni::sync::thread_start& mthd,
omni::sync::thread_option::enum_t op,
omni::sync::thread_union_t val);
basic_thread(const omni::sync::parameterized_thread_start& mthd,
omni::sync::thread_arg_t args);
basic_thread(const omni::sync::parameterized_thread_start& mthd,
omni::sync::thread_start_type::enum_t st);
basic_thread(const omni::sync::parameterized_thread_start& mthd,
std::size_t max_stack_sz);
basic_thread(const omni::sync::parameterized_thread_start& mthd,
std::size_t max_stack_sz,
omni::sync::thread_arg_t args);
basic_thread(const omni::sync::parameterized_thread_start& mthd,
std::size_t max_stack_sz,
omni::sync::thread_start_type::enum_t st);
basic_thread(const omni::sync::parameterized_thread_start& mthd,
omni::sync::thread_option::enum_t op,
omni::sync::thread_union_t val);
basic_thread(const omni::sync::parameterized_thread_start& mthd,
omni::sync::thread_arg_t args,
omni::sync::thread_option::enum_t op,
omni::sync::thread_union_t val);
~basic_thread();
void bind(const omni::sync::parameterized_thread_start& mthd);
void bind(const omni::sync::thread_start& mthd);
void detach();
void detach(bool allow_rejoin);
const omni::sync::thread_union_t get_option(omni::sync::thread_option::enum_t op) const;
omni::sync::thread_flags options() const;
omni::sync::thread_handle_t handle() const;
omni::sync::thread_t id() const;
bool is_alive() const;
bool is_bound() const;
bool is_parameter_bound() const;
bool is_detached() const;
bool is_threadpool_thread() const;
bool join(); // default of infinite timeout
bool join(uint32_t timeout);
bool join(const omni::chrono::unsigned_span_t& span);
bool kill(); // Terminate immediately
omni::sync::thread_state status() const;
omni::sync::thread_t start();
omni::sync::thread_t start(omni::sync::thread_arg_t args);
void set_option(omni::sync::thread_option::enum_t op, omni::sync::thread_union_t val);
void set_options(unsigned char op, bool val);
void set_options(const omni::sync::thread_flags& ops);
void swap(omni::sync::basic_thread& other);
void unbind();
omni::sync::basic_thread& operator=(const omni::sync::basic_thread& other);
bool operator==(const omni::sync::basic_thread& other) const;
bool operator!=(const omni::sync::basic_thread& other) const;
#if defined(OMNI_NON_PORTABLE)
omni::sync::thread_priority priority() const;
void set_priority(omni::sync::thread_priority::enum_t p);
#endif
OMNI_MEMBERS_FW(omni::sync::basic_thread) // disposing,name,type(),hash()
static inline const omni::sync::basic_thread current()
{
return omni::sync::basic_thread(omni::sync::thread_id(), omni::sync::thread_handle());
}
static inline omni::sync::basic_thread create_threadpool_thread(const omni::sync::thread_start& tpoolfn)
{
return omni::sync::basic_thread(tpoolfn, true);
}
private:
#if defined(OMNI_SAFE_BASIC_THREAD)
mutable omni::sync::basic_lock m_mtx;
#endif
omni::sync::thread_arg_t m_args;
void* m_mthd;
omni::sync::thread_t m_tid;
omni::sync::thread_handle_t m_thread;
omni::sync::thread_flags m_ops;
omni::sync::thread_state m_state;
#if defined(OMNI_NON_PORTABLE)
omni::sync::thread_priority m_priority;
#endif
volatile OMNI_BTHRD_INT_FW m_status;
basic_thread(const omni::sync::thread_start& mthd, bool tpool);
void _chkmthd();
void _close_handle(bool allow_rejoin);
void _hreset(bool force, bool allow_rejoin);
bool _hvalid() const;
bool _state_running() const;
void _state_machine(const omni::sync::thread_t tid);
void _set_context(const omni::sync::basic_thread& t2);
#if defined(OMNI_NON_PORTABLE)
void _set_prio();
#endif
static OMNI_THREAD_FNPTR_T OMNI_THREAD_CALL_T _start(void* param);
class manager
{
public:
manager() : m_lock(), m_threads() {}
~manager() {}
void push_back(omni::sync::thread_t tid, omni::sync::basic_thread& bthread);
void pop_back(omni::sync::thread_t tid);
void remove(omni::sync::thread_t tid);
static manager& instance()
{
static omni::sync::basic_thread::manager* ret = new omni::sync::basic_thread::manager();
return *ret;
}
private:
typedef std::map<omni::sync::thread_t, omni::sync::basic_thread*> thread_map;
omni::sync::basic_lock m_lock;
thread_map m_threads;
manager(const manager& cp); // = delete;
manager& operator=(const manager& cp); // = delete;
};
};
}
} // namespace omni
namespace std {
inline void swap(omni::sync::basic_thread& ot1, omni::sync::basic_thread& ot2)
{
ot1.swap(ot2);
}
}
#include <omni/sync/basic_thread_allocate.hpp>
#endif // OMNI_BASIC_THREAD_HPP