Swiftdiff options
Diffstat (limited to '3rdParty/Boost/src/boost/thread/pthread/recursive_mutex.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/thread/pthread/recursive_mutex.hpp | 135 |
1 files changed, 91 insertions, 44 deletions
diff --git a/3rdParty/Boost/src/boost/thread/pthread/recursive_mutex.hpp b/3rdParty/Boost/src/boost/thread/pthread/recursive_mutex.hpp index 4158a57..2a6bc7d 100644 --- a/3rdParty/Boost/src/boost/thread/pthread/recursive_mutex.hpp +++ b/3rdParty/Boost/src/boost/thread/pthread/recursive_mutex.hpp @@ -1,12 +1,12 @@ #ifndef BOOST_THREAD_PTHREAD_RECURSIVE_MUTEX_HPP #define BOOST_THREAD_PTHREAD_RECURSIVE_MUTEX_HPP // (C) Copyright 2007-8 Anthony Williams +// (C) Copyright 2011-2012 Vicente J. Botet Escriba // Distributed under the Boost Software License, Version 1.0. (See // accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) #include <pthread.h> -#include <boost/utility.hpp> #include <boost/throw_exception.hpp> #include <boost/thread/exceptions.hpp> #include <boost/thread/locks.hpp> @@ -17,8 +17,13 @@ #endif #include <boost/date_time/posix_time/conversion.hpp> #include <errno.h> -#include "timespec.hpp" -#include "pthread_mutex_scoped_lock.hpp" +#include <boost/thread/pthread/timespec.hpp> +#include <boost/thread/pthread/pthread_mutex_scoped_lock.hpp> +#ifdef BOOST_THREAD_USES_CHRONO +#include <boost/chrono/system_clocks.hpp> +#include <boost/chrono/ceil.hpp> +#endif +#include <boost/thread/detail/delete.hpp> #ifdef _POSIX_TIMEOUTS #if _POSIX_TIMEOUTS >= 0 @@ -26,7 +31,7 @@ #endif #endif -#if defined(BOOST_PTHREAD_HAS_MUTEXATTR_SETTYPE) && defined(BOOST_PTHREAD_HAS_TIMEDLOCK) +#if defined(BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE) && defined(BOOST_PTHREAD_HAS_TIMEDLOCK) #define BOOST_USE_PTHREAD_RECURSIVE_TIMEDLOCK #endif @@ -37,51 +42,50 @@ namespace boost class recursive_mutex { private: - recursive_mutex(recursive_mutex const&); - recursive_mutex& operator=(recursive_mutex const&); pthread_mutex_t m; -#ifndef BOOST_PTHREAD_HAS_MUTEXATTR_SETTYPE +#ifndef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE pthread_cond_t cond; bool is_locked; pthread_t owner; unsigned count; #endif public: + BOOST_THREAD_NO_COPYABLE(recursive_mutex) recursive_mutex() { -#ifdef BOOST_PTHREAD_HAS_MUTEXATTR_SETTYPE +#ifdef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE pthread_mutexattr_t attr; - + int const init_attr_res=pthread_mutexattr_init(&attr); if(init_attr_res) { - boost::throw_exception(thread_resource_error()); + boost::throw_exception(thread_resource_error(init_attr_res, "boost:: recursive_mutex constructor failed in pthread_mutexattr_init")); } int const set_attr_res=pthread_mutexattr_settype(&attr,PTHREAD_MUTEX_RECURSIVE); if(set_attr_res) { BOOST_VERIFY(!pthread_mutexattr_destroy(&attr)); - boost::throw_exception(thread_resource_error()); + boost::throw_exception(thread_resource_error(set_attr_res, "boost:: recursive_mutex constructor failed in pthread_mutexattr_settype")); } - + int const res=pthread_mutex_init(&m,&attr); if(res) { BOOST_VERIFY(!pthread_mutexattr_destroy(&attr)); - boost::throw_exception(thread_resource_error()); + boost::throw_exception(thread_resource_error(res, "boost:: recursive_mutex constructor failed in pthread_mutex_init")); } BOOST_VERIFY(!pthread_mutexattr_destroy(&attr)); #else int const res=pthread_mutex_init(&m,NULL); if(res) { - boost::throw_exception(thread_resource_error()); + boost::throw_exception(thread_resource_error(res, "boost:: recursive_mutex constructor failed in pthread_mutex_init")); } int const res2=pthread_cond_init(&cond,NULL); if(res2) { BOOST_VERIFY(!pthread_mutex_destroy(&m)); - boost::throw_exception(thread_resource_error()); + boost::throw_exception(thread_resource_error(res2, "boost:: recursive_mutex constructor failed in pthread_cond_init")); } is_locked=false; count=0; @@ -90,12 +94,12 @@ namespace boost ~recursive_mutex() { BOOST_VERIFY(!pthread_mutex_destroy(&m)); -#ifndef BOOST_PTHREAD_HAS_MUTEXATTR_SETTYPE +#ifndef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE BOOST_VERIFY(!pthread_cond_destroy(&cond)); #endif } -#ifdef BOOST_PTHREAD_HAS_MUTEXATTR_SETTYPE +#ifdef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE void lock() { BOOST_VERIFY(!pthread_mutex_lock(&m)); @@ -105,13 +109,14 @@ namespace boost { BOOST_VERIFY(!pthread_mutex_unlock(&m)); } - - bool try_lock() + + bool try_lock() BOOST_NOEXCEPT { int const res=pthread_mutex_trylock(&m); BOOST_ASSERT(!res || res==EBUSY); return !res; } +#define BOOST_THREAD_DEFINES_RECURSIVE_MUTEX_NATIVE_HANDLE typedef pthread_mutex_t* native_handle_type; native_handle_type native_handle() { @@ -127,7 +132,7 @@ namespace boost ++count; return; } - + while(is_locked) { BOOST_VERIFY(!pthread_cond_wait(&cond,&m)); @@ -146,7 +151,7 @@ namespace boost } BOOST_VERIFY(!pthread_cond_signal(&cond)); } - + bool try_lock() { boost::pthread::pthread_mutex_scoped_lock const local_lock(&m); @@ -171,9 +176,6 @@ namespace boost class recursive_timed_mutex { private: - recursive_timed_mutex(recursive_timed_mutex const&); - recursive_timed_mutex& operator=(recursive_timed_mutex const&); - private: pthread_mutex_t m; #ifndef BOOST_USE_PTHREAD_RECURSIVE_TIMEDLOCK pthread_cond_t cond; @@ -182,40 +184,41 @@ namespace boost unsigned count; #endif public: + BOOST_THREAD_NO_COPYABLE(recursive_timed_mutex) recursive_timed_mutex() { #ifdef BOOST_USE_PTHREAD_RECURSIVE_TIMEDLOCK pthread_mutexattr_t attr; - + int const init_attr_res=pthread_mutexattr_init(&attr); if(init_attr_res) { - boost::throw_exception(thread_resource_error()); + boost::throw_exception(thread_resource_error(init_attr_res, "boost:: recursive_timed_mutex constructor failed in pthread_mutexattr_init")); } int const set_attr_res=pthread_mutexattr_settype(&attr,PTHREAD_MUTEX_RECURSIVE); if(set_attr_res) { - boost::throw_exception(thread_resource_error()); + boost::throw_exception(thread_resource_error(set_attr_res, "boost:: recursive_timed_mutex constructor failed in pthread_mutexattr_settype")); } - + int const res=pthread_mutex_init(&m,&attr); if(res) { BOOST_VERIFY(!pthread_mutexattr_destroy(&attr)); - boost::throw_exception(thread_resource_error()); + boost::throw_exception(thread_resource_error(res, "boost:: recursive_timed_mutex constructor failed in pthread_mutex_init")); } BOOST_VERIFY(!pthread_mutexattr_destroy(&attr)); #else int const res=pthread_mutex_init(&m,NULL); if(res) { - boost::throw_exception(thread_resource_error()); + boost::throw_exception(thread_resource_error(res, "boost:: recursive_timed_mutex constructor failed in pthread_mutex_init")); } int const res2=pthread_cond_init(&cond,NULL); if(res2) { BOOST_VERIFY(!pthread_mutex_destroy(&m)); - boost::throw_exception(thread_resource_error()); + boost::throw_exception(thread_resource_error(res2, "boost:: recursive_timed_mutex constructor failed in pthread_cond_init")); } is_locked=false; count=0; @@ -245,26 +248,22 @@ namespace boost { BOOST_VERIFY(!pthread_mutex_unlock(&m)); } - + bool try_lock() { int const res=pthread_mutex_trylock(&m); BOOST_ASSERT(!res || res==EBUSY); return !res; } - bool timed_lock(system_time const & abs_time) + private: + bool do_try_lock_until(struct timespec const &timeout) { - struct timespec const timeout=detail::get_timespec(abs_time); int const res=pthread_mutex_timedlock(&m,&timeout); BOOST_ASSERT(!res || res==ETIMEDOUT); return !res; } - typedef pthread_mutex_t* native_handle_type; - native_handle_type native_handle() - { - return &m; - } + public: #else void lock() @@ -275,7 +274,7 @@ namespace boost ++count; return; } - + while(is_locked) { BOOST_VERIFY(!pthread_cond_wait(&cond,&m)); @@ -294,8 +293,8 @@ namespace boost } BOOST_VERIFY(!pthread_cond_signal(&cond)); } - - bool try_lock() + + bool try_lock() BOOST_NOEXCEPT { boost::pthread::pthread_mutex_scoped_lock const local_lock(&m); if(is_locked && !pthread_equal(owner,pthread_self())) @@ -308,9 +307,9 @@ namespace boost return true; } - bool timed_lock(system_time const & abs_time) + private: + bool do_try_lock_until(struct timespec const &timeout) { - struct timespec const timeout=detail::get_timespec(abs_time); boost::pthread::pthread_mutex_scoped_lock const local_lock(&m); if(is_locked && pthread_equal(owner,pthread_self())) { @@ -331,8 +330,56 @@ namespace boost owner=pthread_self(); return true; } + public: + #endif + bool timed_lock(system_time const & abs_time) + { + struct timespec const ts=detail::get_timespec(abs_time); + return do_try_lock_until(ts); + } + +#ifdef BOOST_THREAD_USES_CHRONO + template <class Rep, class Period> + bool try_lock_for(const chrono::duration<Rep, Period>& rel_time) + { + return try_lock_until(chrono::steady_clock::now() + rel_time); + } + template <class Clock, class Duration> + bool try_lock_until(const chrono::time_point<Clock, Duration>& t) + { + using namespace chrono; + system_clock::time_point s_now = system_clock::now(); + typename Clock::time_point c_now = Clock::now(); + return try_lock_until(s_now + ceil<nanoseconds>(t - c_now)); + } + template <class Duration> + bool try_lock_until(const chrono::time_point<chrono::system_clock, Duration>& t) + { + using namespace chrono; + typedef time_point<system_clock, nanoseconds> nano_sys_tmpt; + return try_lock_until(nano_sys_tmpt(ceil<nanoseconds>(t.time_since_epoch()))); + } + bool try_lock_until(const chrono::time_point<chrono::system_clock, chrono::nanoseconds>& tp) + { + using namespace chrono; + nanoseconds d = tp.time_since_epoch(); + timespec ts; + seconds s = duration_cast<seconds>(d); + ts.tv_sec = static_cast<long>(s.count()); + ts.tv_nsec = static_cast<long>((d - s).count()); + return do_try_lock_until(ts); + } +#endif + +#define BOOST_THREAD_DEFINES_RECURSIVE_TIMED_MUTEX_NATIVE_HANDLE + typedef pthread_mutex_t* native_handle_type; + native_handle_type native_handle() + { + return &m; + } + typedef unique_lock<recursive_timed_mutex> scoped_timed_lock; typedef detail::try_lock_wrapper<recursive_timed_mutex> scoped_try_lock; typedef scoped_timed_lock scoped_lock; |