86 lines
3.0 KiB
C++
86 lines
3.0 KiB
C++
/*
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Copyright (C) 2000-2007 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __pbd_pthread_utils__
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#define __pbd_pthread_utils__
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/* Accommodate thread setting (and testing) for both
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* 'libpthread' and 'libpthread_win32' (whose implementations
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* of 'pthread_t' are subtlely different)
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*/
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#ifndef PTHREAD_MACROS_DEFINED
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#define PTHREAD_MACROS_DEFINED
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#ifdef PTW32_VERSION /* pthread_win32 */
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#define mark_pthread_inactive(threadID) threadID.p=0
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#define is_pthread_active(threadID) threadID.p!=0
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#else /* normal pthread */
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#define mark_pthread_inactive(threadID) threadID=0
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#define is_pthread_active(threadID) threadID!=0
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#endif /* PTW32_VERSION */
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#endif /* PTHREAD_MACROS_DEFINED */
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#ifdef COMPILER_MSVC
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#include <ardourext/pthread.h>
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#else
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#include <pthread.h>
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#endif
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#include <signal.h>
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#include <string>
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#include <stdint.h>
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#include "pbd/libpbd_visibility.h"
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#include "pbd/signals.h"
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LIBPBD_API int pthread_create_and_store (std::string name, pthread_t *thread, void * (*start_routine)(void *), void * arg);
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LIBPBD_API void pthread_cancel_one (pthread_t thread);
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LIBPBD_API void pthread_cancel_all ();
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LIBPBD_API void pthread_kill_all (int signum);
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LIBPBD_API const char* pthread_name ();
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LIBPBD_API void pthread_set_name (const char* name);
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LIBPBD_API int pbd_realtime_pthread_create (
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const int policy, int priority, const size_t stacksize,
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pthread_t *thread,
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void *(*start_routine) (void *),
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void *arg);
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LIBPBD_API int pbd_absolute_rt_priority (int policy, int priority);
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LIBPBD_API int pbd_set_thread_priority (pthread_t, const int policy, int priority);
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LIBPBD_API bool pbd_mach_set_realtime_policy (pthread_t thread_id, double period_ns);
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namespace PBD {
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LIBPBD_API extern void notify_event_loops_about_thread_creation (pthread_t, const std::string&, int requests = 256);
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LIBPBD_API extern PBD::Signal3<void,pthread_t,std::string,uint32_t> ThreadCreatedWithRequestSize;
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}
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/* pthread-w32 does not support realtime scheduling
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* (well, windows, doesn't..) and only supports SetThreadPriority()
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*
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* pthread_setschedparam() returns ENOTSUP if the policy is not SCHED_OTHER.
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*
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* however, pthread_create() with attributes, ignores the policy and
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* only sets the priority (when PTHREAD_EXPLICIT_SCHED is used).
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*/
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#ifdef PLATFORM_WINDOWS
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#define PBD_SCHED_FIFO SCHED_OTHER
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#else
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#define PBD_SCHED_FIFO SCHED_FIFO
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#endif
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#endif /* __pbd_pthread_utils__ */
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