Reformat the source files.
This commit is contained in:
Alexander Suvorov
+244
-295
@@ -19,390 +19,339 @@
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#include <process.h>
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#endif
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namespace crnlib
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{
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uint g_number_of_processors = 1;
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namespace crnlib {
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uint g_number_of_processors = 1;
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void crn_threading_init()
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{
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void crn_threading_init() {
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#ifdef WIN32
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SYSTEM_INFO g_system_info;
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GetSystemInfo(&g_system_info);
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g_number_of_processors = math::maximum<uint>(1U, g_system_info.dwNumberOfProcessors);
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SYSTEM_INFO g_system_info;
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GetSystemInfo(&g_system_info);
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g_number_of_processors = math::maximum<uint>(1U, g_system_info.dwNumberOfProcessors);
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#elif defined(__GNUC__)
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g_number_of_processors = math::maximum<int>(1, get_nprocs());
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g_number_of_processors = math::maximum<int>(1, get_nprocs());
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#else
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g_number_of_processors = 1;
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g_number_of_processors = 1;
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#endif
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}
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}
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crn_thread_id_t crn_get_current_thread_id()
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{
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// FIXME: Not portable
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return static_cast<crn_thread_id_t>(pthread_self());
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}
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crn_thread_id_t crn_get_current_thread_id() {
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// FIXME: Not portable
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return static_cast<crn_thread_id_t>(pthread_self());
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}
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void crn_sleep(unsigned int milliseconds)
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{
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void crn_sleep(unsigned int milliseconds) {
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#ifdef WIN32
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struct timespec interval;
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interval.tv_sec = milliseconds / 1000;
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interval.tv_nsec = (milliseconds % 1000) * 1000000L;
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pthread_delay_np(&interval);
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struct timespec interval;
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interval.tv_sec = milliseconds / 1000;
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interval.tv_nsec = (milliseconds % 1000) * 1000000L;
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pthread_delay_np(&interval);
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#else
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while (milliseconds)
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{
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int msecs_to_sleep = CRNLIB_MIN(milliseconds, 1000);
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usleep(msecs_to_sleep * 1000);
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milliseconds -= msecs_to_sleep;
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}
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while (milliseconds) {
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int msecs_to_sleep = CRNLIB_MIN(milliseconds, 1000);
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usleep(msecs_to_sleep * 1000);
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milliseconds -= msecs_to_sleep;
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}
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#endif
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}
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}
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mutex::mutex(unsigned int spin_count)
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{
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spin_count;
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mutex::mutex(unsigned int spin_count) {
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spin_count;
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if (pthread_mutex_init(&m_mutex, NULL))
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crnlib_fail("mutex::mutex: pthread_mutex_init() failed", __FILE__, __LINE__);
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if (pthread_mutex_init(&m_mutex, NULL))
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crnlib_fail("mutex::mutex: pthread_mutex_init() failed", __FILE__, __LINE__);
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#ifdef CRNLIB_BUILD_DEBUG
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m_lock_count = 0;
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m_lock_count = 0;
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#endif
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}
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}
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mutex::~mutex()
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{
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mutex::~mutex() {
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#ifdef CRNLIB_BUILD_DEBUG
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if (m_lock_count)
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crnlib_assert("mutex::~mutex: mutex is still locked", __FILE__, __LINE__);
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if (m_lock_count)
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crnlib_assert("mutex::~mutex: mutex is still locked", __FILE__, __LINE__);
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#endif
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if (pthread_mutex_destroy(&m_mutex))
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crnlib_assert("mutex::~mutex: pthread_mutex_destroy() failed", __FILE__, __LINE__);
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}
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if (pthread_mutex_destroy(&m_mutex))
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crnlib_assert("mutex::~mutex: pthread_mutex_destroy() failed", __FILE__, __LINE__);
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}
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void mutex::lock()
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{
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pthread_mutex_lock(&m_mutex);
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void mutex::lock() {
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pthread_mutex_lock(&m_mutex);
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#ifdef CRNLIB_BUILD_DEBUG
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m_lock_count++;
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m_lock_count++;
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#endif
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}
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}
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void mutex::unlock()
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{
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void mutex::unlock() {
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#ifdef CRNLIB_BUILD_DEBUG
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if (!m_lock_count)
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crnlib_assert("mutex::unlock: mutex is not locked", __FILE__, __LINE__);
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m_lock_count--;
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if (!m_lock_count)
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crnlib_assert("mutex::unlock: mutex is not locked", __FILE__, __LINE__);
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m_lock_count--;
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#endif
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pthread_mutex_unlock(&m_mutex);
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}
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pthread_mutex_unlock(&m_mutex);
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}
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void mutex::set_spin_count(unsigned int count)
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{
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count;
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}
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void mutex::set_spin_count(unsigned int count) {
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count;
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}
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semaphore::semaphore(long initialCount, long maximumCount, const char* pName)
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{
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maximumCount, pName;
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CRNLIB_ASSERT(maximumCount >= initialCount);
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if (sem_init(&m_sem, 0, initialCount))
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{
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CRNLIB_FAIL("semaphore: sem_init() failed");
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}
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}
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semaphore::semaphore(long initialCount, long maximumCount, const char* pName) {
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maximumCount, pName;
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CRNLIB_ASSERT(maximumCount >= initialCount);
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if (sem_init(&m_sem, 0, initialCount)) {
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CRNLIB_FAIL("semaphore: sem_init() failed");
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}
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}
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semaphore::~semaphore()
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{
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sem_destroy(&m_sem);
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}
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semaphore::~semaphore() {
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sem_destroy(&m_sem);
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}
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void semaphore::release(long releaseCount)
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{
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CRNLIB_ASSERT(releaseCount >= 1);
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void semaphore::release(long releaseCount) {
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CRNLIB_ASSERT(releaseCount >= 1);
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int status = 0;
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int status = 0;
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#ifdef WIN32
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if (1 == releaseCount)
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status = sem_post(&m_sem);
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else
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status = sem_post_multiple(&m_sem, releaseCount);
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if (1 == releaseCount)
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status = sem_post(&m_sem);
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else
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status = sem_post_multiple(&m_sem, releaseCount);
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#else
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while (releaseCount > 0)
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{
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status = sem_post(&m_sem);
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if (status)
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break;
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releaseCount--;
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}
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while (releaseCount > 0) {
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status = sem_post(&m_sem);
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if (status)
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break;
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releaseCount--;
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}
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#endif
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if (status)
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{
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CRNLIB_FAIL("semaphore: sem_post() or sem_post_multiple() failed");
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}
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}
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if (status) {
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CRNLIB_FAIL("semaphore: sem_post() or sem_post_multiple() failed");
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}
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}
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void semaphore::try_release(long releaseCount)
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{
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CRNLIB_ASSERT(releaseCount >= 1);
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void semaphore::try_release(long releaseCount) {
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CRNLIB_ASSERT(releaseCount >= 1);
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#ifdef WIN32
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if (1 == releaseCount)
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sem_post(&m_sem);
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else
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sem_post_multiple(&m_sem, releaseCount);
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if (1 == releaseCount)
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sem_post(&m_sem);
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else
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sem_post_multiple(&m_sem, releaseCount);
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#else
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while (releaseCount > 0)
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{
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sem_post(&m_sem);
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releaseCount--;
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}
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while (releaseCount > 0) {
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sem_post(&m_sem);
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releaseCount--;
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}
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#endif
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}
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}
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bool semaphore::wait(uint32 milliseconds)
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{
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int status;
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if (milliseconds == cUINT32_MAX)
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{
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status = sem_wait(&m_sem);
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}
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else
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{
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struct timespec interval;
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interval.tv_sec = milliseconds / 1000;
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interval.tv_nsec = (milliseconds % 1000) * 1000000L;
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status = sem_timedwait(&m_sem, &interval);
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}
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bool semaphore::wait(uint32 milliseconds) {
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int status;
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if (milliseconds == cUINT32_MAX) {
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status = sem_wait(&m_sem);
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} else {
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struct timespec interval;
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interval.tv_sec = milliseconds / 1000;
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interval.tv_nsec = (milliseconds % 1000) * 1000000L;
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status = sem_timedwait(&m_sem, &interval);
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}
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if (status)
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{
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if (errno != ETIMEDOUT)
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{
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CRNLIB_FAIL("semaphore: sem_wait() or sem_timedwait() failed");
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}
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return false;
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}
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if (status) {
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if (errno != ETIMEDOUT) {
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CRNLIB_FAIL("semaphore: sem_wait() or sem_timedwait() failed");
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}
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return false;
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}
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return true;
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}
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return true;
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}
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spinlock::spinlock()
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{
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if (pthread_spin_init(&m_spinlock, 0))
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{
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CRNLIB_FAIL("spinlock: pthread_spin_init() failed");
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}
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}
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spinlock::spinlock() {
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if (pthread_spin_init(&m_spinlock, 0)) {
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CRNLIB_FAIL("spinlock: pthread_spin_init() failed");
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}
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}
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spinlock::~spinlock()
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{
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pthread_spin_destroy(&m_spinlock);
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}
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spinlock::~spinlock() {
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pthread_spin_destroy(&m_spinlock);
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}
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void spinlock::lock()
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{
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if (pthread_spin_lock(&m_spinlock))
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{
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CRNLIB_FAIL("spinlock: pthread_spin_lock() failed");
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}
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}
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void spinlock::lock() {
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if (pthread_spin_lock(&m_spinlock)) {
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CRNLIB_FAIL("spinlock: pthread_spin_lock() failed");
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}
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}
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void spinlock::unlock()
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{
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if (pthread_spin_unlock(&m_spinlock))
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{
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CRNLIB_FAIL("spinlock: pthread_spin_unlock() failed");
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}
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}
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void spinlock::unlock() {
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if (pthread_spin_unlock(&m_spinlock)) {
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CRNLIB_FAIL("spinlock: pthread_spin_unlock() failed");
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}
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}
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task_pool::task_pool() :
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m_num_threads(0),
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task_pool::task_pool()
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: m_num_threads(0),
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m_tasks_available(0, 32767),
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m_all_tasks_completed(0, 1),
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m_total_submitted_tasks(0),
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m_total_completed_tasks(0),
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m_exit_flag(false)
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{
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utils::zero_object(m_threads);
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}
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m_exit_flag(false) {
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utils::zero_object(m_threads);
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}
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task_pool::task_pool(uint num_threads) :
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m_num_threads(0),
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task_pool::task_pool(uint num_threads)
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: m_num_threads(0),
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m_tasks_available(0, 32767),
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m_all_tasks_completed(0, 1),
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m_total_submitted_tasks(0),
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m_total_completed_tasks(0),
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m_exit_flag(false)
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{
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utils::zero_object(m_threads);
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m_exit_flag(false) {
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utils::zero_object(m_threads);
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bool status = init(num_threads);
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CRNLIB_VERIFY(status);
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}
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bool status = init(num_threads);
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CRNLIB_VERIFY(status);
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}
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task_pool::~task_pool()
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{
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deinit();
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}
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task_pool::~task_pool() {
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deinit();
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}
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bool task_pool::init(uint num_threads)
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{
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CRNLIB_ASSERT(num_threads <= cMaxThreads);
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num_threads = math::minimum<uint>(num_threads, cMaxThreads);
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bool task_pool::init(uint num_threads) {
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CRNLIB_ASSERT(num_threads <= cMaxThreads);
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num_threads = math::minimum<uint>(num_threads, cMaxThreads);
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deinit();
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deinit();
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bool succeeded = true;
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bool succeeded = true;
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m_num_threads = 0;
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while (m_num_threads < num_threads)
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{
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int status = pthread_create(&m_threads[m_num_threads], NULL, thread_func, this);
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if (status)
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{
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succeeded = false;
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break;
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}
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m_num_threads = 0;
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while (m_num_threads < num_threads) {
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int status = pthread_create(&m_threads[m_num_threads], NULL, thread_func, this);
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if (status) {
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succeeded = false;
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break;
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}
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m_num_threads++;
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}
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m_num_threads++;
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}
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if (!succeeded)
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{
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deinit();
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return false;
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}
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if (!succeeded) {
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deinit();
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return false;
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}
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return true;
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}
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return true;
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}
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void task_pool::deinit()
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{
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if (m_num_threads)
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{
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join();
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void task_pool::deinit() {
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if (m_num_threads) {
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join();
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atomic_exchange32(&m_exit_flag, true);
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atomic_exchange32(&m_exit_flag, true);
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m_tasks_available.release(m_num_threads);
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m_tasks_available.release(m_num_threads);
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for (uint i = 0; i < m_num_threads; i++)
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pthread_join(m_threads[i], NULL);
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for (uint i = 0; i < m_num_threads; i++)
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pthread_join(m_threads[i], NULL);
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m_num_threads = 0;
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m_num_threads = 0;
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atomic_exchange32(&m_exit_flag, false);
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}
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atomic_exchange32(&m_exit_flag, false);
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}
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m_task_stack.clear();
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m_total_submitted_tasks = 0;
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m_total_completed_tasks = 0;
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}
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m_task_stack.clear();
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m_total_submitted_tasks = 0;
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||||
m_total_completed_tasks = 0;
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||||
}
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||||
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bool task_pool::queue_task(task_callback_func pFunc, uint64 data, void* pData_ptr)
|
||||
{
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CRNLIB_ASSERT(pFunc);
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||||
bool task_pool::queue_task(task_callback_func pFunc, uint64 data, void* pData_ptr) {
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CRNLIB_ASSERT(pFunc);
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||||
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task tsk;
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tsk.m_callback = pFunc;
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tsk.m_data = data;
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tsk.m_pData_ptr = pData_ptr;
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tsk.m_flags = 0;
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task tsk;
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tsk.m_callback = pFunc;
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tsk.m_data = data;
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tsk.m_pData_ptr = pData_ptr;
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tsk.m_flags = 0;
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||||
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||||
atomic_increment32(&m_total_submitted_tasks);
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||||
if (!m_task_stack.try_push(tsk))
|
||||
{
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||||
atomic_increment32(&m_total_completed_tasks);
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||||
return false;
|
||||
}
|
||||
atomic_increment32(&m_total_submitted_tasks);
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||||
if (!m_task_stack.try_push(tsk)) {
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||||
atomic_increment32(&m_total_completed_tasks);
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||||
return false;
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||||
}
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||||
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||||
m_tasks_available.release(1);
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||||
m_tasks_available.release(1);
|
||||
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||||
return true;
|
||||
}
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||||
return true;
|
||||
}
|
||||
|
||||
// It's the object's responsibility to delete pObj within the execute_task() method, if needed!
|
||||
bool task_pool::queue_task(executable_task* pObj, uint64 data, void* pData_ptr)
|
||||
{
|
||||
CRNLIB_ASSERT(pObj);
|
||||
// It's the object's responsibility to delete pObj within the execute_task() method, if needed!
|
||||
bool task_pool::queue_task(executable_task* pObj, uint64 data, void* pData_ptr) {
|
||||
CRNLIB_ASSERT(pObj);
|
||||
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||||
task tsk;
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||||
tsk.m_pObj = pObj;
|
||||
tsk.m_data = data;
|
||||
tsk.m_pData_ptr = pData_ptr;
|
||||
tsk.m_flags = cTaskFlagObject;
|
||||
task tsk;
|
||||
tsk.m_pObj = pObj;
|
||||
tsk.m_data = data;
|
||||
tsk.m_pData_ptr = pData_ptr;
|
||||
tsk.m_flags = cTaskFlagObject;
|
||||
|
||||
atomic_increment32(&m_total_submitted_tasks);
|
||||
if (!m_task_stack.try_push(tsk))
|
||||
{
|
||||
atomic_increment32(&m_total_completed_tasks);
|
||||
return false;
|
||||
}
|
||||
atomic_increment32(&m_total_submitted_tasks);
|
||||
if (!m_task_stack.try_push(tsk)) {
|
||||
atomic_increment32(&m_total_completed_tasks);
|
||||
return false;
|
||||
}
|
||||
|
||||
m_tasks_available.release(1);
|
||||
m_tasks_available.release(1);
|
||||
|
||||
return true;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
void task_pool::process_task(task& tsk)
|
||||
{
|
||||
if (tsk.m_flags & cTaskFlagObject)
|
||||
tsk.m_pObj->execute_task(tsk.m_data, tsk.m_pData_ptr);
|
||||
else
|
||||
tsk.m_callback(tsk.m_data, tsk.m_pData_ptr);
|
||||
void task_pool::process_task(task& tsk) {
|
||||
if (tsk.m_flags & cTaskFlagObject)
|
||||
tsk.m_pObj->execute_task(tsk.m_data, tsk.m_pData_ptr);
|
||||
else
|
||||
tsk.m_callback(tsk.m_data, tsk.m_pData_ptr);
|
||||
|
||||
if (atomic_increment32(&m_total_completed_tasks) == m_total_submitted_tasks)
|
||||
{
|
||||
// Try to signal the semaphore (the max count is 1 so this may actually fail).
|
||||
m_all_tasks_completed.try_release();
|
||||
}
|
||||
}
|
||||
if (atomic_increment32(&m_total_completed_tasks) == m_total_submitted_tasks) {
|
||||
// Try to signal the semaphore (the max count is 1 so this may actually fail).
|
||||
m_all_tasks_completed.try_release();
|
||||
}
|
||||
}
|
||||
|
||||
void task_pool::join()
|
||||
{
|
||||
// Try to steal any outstanding tasks. This could cause one or more worker threads to wake up and immediately go back to sleep, which is wasteful but should be harmless.
|
||||
task tsk;
|
||||
while (m_task_stack.pop(tsk))
|
||||
process_task(tsk);
|
||||
void task_pool::join() {
|
||||
// Try to steal any outstanding tasks. This could cause one or more worker threads to wake up and immediately go back to sleep, which is wasteful but should be harmless.
|
||||
task tsk;
|
||||
while (m_task_stack.pop(tsk))
|
||||
process_task(tsk);
|
||||
|
||||
// At this point the task stack is empty.
|
||||
// Now wait for all concurrent tasks to complete. The m_all_tasks_completed semaphore has a max count of 1, so it's possible it could have saturated to 1 as the tasks
|
||||
// where issued and asynchronously completed, so this loop may iterate a few times.
|
||||
const int total_submitted_tasks = atomic_add32(&m_total_submitted_tasks, 0);
|
||||
while (m_total_completed_tasks != total_submitted_tasks)
|
||||
{
|
||||
// If the previous (m_total_completed_tasks != total_submitted_tasks) check failed the semaphore MUST be eventually signalled once the last task completes.
|
||||
// So I think this can actually be an INFINITE delay, but it shouldn't really matter if it's 1ms.
|
||||
m_all_tasks_completed.wait(1);
|
||||
}
|
||||
}
|
||||
// At this point the task stack is empty.
|
||||
// Now wait for all concurrent tasks to complete. The m_all_tasks_completed semaphore has a max count of 1, so it's possible it could have saturated to 1 as the tasks
|
||||
// where issued and asynchronously completed, so this loop may iterate a few times.
|
||||
const int total_submitted_tasks = atomic_add32(&m_total_submitted_tasks, 0);
|
||||
while (m_total_completed_tasks != total_submitted_tasks) {
|
||||
// If the previous (m_total_completed_tasks != total_submitted_tasks) check failed the semaphore MUST be eventually signalled once the last task completes.
|
||||
// So I think this can actually be an INFINITE delay, but it shouldn't really matter if it's 1ms.
|
||||
m_all_tasks_completed.wait(1);
|
||||
}
|
||||
}
|
||||
|
||||
void * task_pool::thread_func(void *pContext)
|
||||
{
|
||||
task_pool* pPool = static_cast<task_pool*>(pContext);
|
||||
task tsk;
|
||||
void* task_pool::thread_func(void* pContext) {
|
||||
task_pool* pPool = static_cast<task_pool*>(pContext);
|
||||
task tsk;
|
||||
|
||||
for ( ; ; )
|
||||
{
|
||||
if (!pPool->m_tasks_available.wait())
|
||||
break;
|
||||
for (;;) {
|
||||
if (!pPool->m_tasks_available.wait())
|
||||
break;
|
||||
|
||||
if (pPool->m_exit_flag)
|
||||
break;
|
||||
if (pPool->m_exit_flag)
|
||||
break;
|
||||
|
||||
if (pPool->m_task_stack.pop(tsk))
|
||||
{
|
||||
pPool->process_task(tsk);
|
||||
}
|
||||
}
|
||||
if (pPool->m_task_stack.pop(tsk)) {
|
||||
pPool->process_task(tsk);
|
||||
}
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
} // namespace crnlib
|
||||
} // namespace crnlib
|
||||
|
||||
#endif // CRNLIB_USE_PTHREADS_API
|
||||
#endif // CRNLIB_USE_PTHREADS_API
|
||||
|
||||
Reference in New Issue
Block a user