/usr/include/p8-platform/posix/os-threads.h is in libp8-platform-dev 2.1.0.1+dfsg1-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | #pragma once
/*
* This file is part of the libCEC(R) library.
*
* libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved.
* libCEC(R) is an original work, containing original code.
*
* libCEC(R) is a trademark of Pulse-Eight Limited.
*
* This program is dual-licensed; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*
* Alternatively, you can license this library under a commercial license,
* please contact Pulse-Eight Licensing for more information.
*
* For more information contact:
* Pulse-Eight Licensing <license@pulse-eight.com>
* http://www.pulse-eight.com/
* http://www.pulse-eight.net/
*/
#if defined(TARGET_DARWIN)
# ifndef PTHREAD_MUTEX_RECURSIVE_NP
# define PTHREAD_MUTEX_RECURSIVE_NP PTHREAD_MUTEX_RECURSIVE
# endif
#endif
namespace P8PLATFORM
{
inline pthread_mutexattr_t *GetRecursiveMutexAttribute(void)
{
static pthread_mutexattr_t g_mutexAttr;
static bool bAttributeInitialised = false;
if (!bAttributeInitialised)
{
pthread_mutexattr_init(&g_mutexAttr);
pthread_mutexattr_settype(&g_mutexAttr, PTHREAD_MUTEX_RECURSIVE);
bAttributeInitialised = true;
}
return &g_mutexAttr;
}
inline struct timespec GetAbsTime(uint64_t iIncreaseBy = 0)
{
struct timespec now;
#ifdef __APPLE__
struct timeval tv;
gettimeofday(&tv, NULL);
now.tv_sec = tv.tv_sec;
now.tv_nsec = tv.tv_usec * 1000;
#else
clock_gettime(CLOCK_REALTIME, &now);
#endif
now.tv_nsec += iIncreaseBy % 1000 * 1000000;
now.tv_sec += iIncreaseBy / 1000 + now.tv_nsec / 1000000000;
now.tv_nsec %= 1000000000;
return now;
}
typedef pthread_t thread_t;
inline pthread_attr_t *GetDetachedThreadAttribute(void)
{
static pthread_attr_t g_threadAttr;
static bool bAttributeInitialised = false;
if (!bAttributeInitialised)
{
pthread_attr_init(&g_threadAttr);
pthread_attr_setdetachstate(&g_threadAttr, PTHREAD_CREATE_DETACHED);
bAttributeInitialised = true;
}
return &g_threadAttr;
}
#define ThreadsCreate(thread, func, arg) (pthread_create(&thread, GetDetachedThreadAttribute(), (void *(*) (void *))func, (void *)arg) == 0)
#define ThreadsWait(thread, retval) (pthread_join(thread, retval) == 0)
typedef pthread_mutex_t mutex_t;
#define MutexCreate(mutex) pthread_mutex_init(&mutex, GetRecursiveMutexAttribute());
#define MutexDelete(mutex) pthread_mutex_destroy(&mutex);
#define MutexLock(mutex) (pthread_mutex_lock(&mutex) == 0)
#define MutexTryLock(mutex) (pthread_mutex_trylock(&mutex) == 0)
#define MutexUnlock(mutex) pthread_mutex_unlock(&mutex)
class CConditionImpl
{
public:
CConditionImpl(void)
{
pthread_cond_init(&m_condition, NULL);
}
virtual ~CConditionImpl(void)
{
pthread_cond_destroy(&m_condition);
}
void Signal(void)
{
pthread_cond_signal(&m_condition);
}
void Broadcast(void)
{
pthread_cond_broadcast(&m_condition);
}
bool Wait(mutex_t &mutex)
{
sched_yield();
return (pthread_cond_wait(&m_condition, &mutex) == 0);
}
bool Wait(mutex_t &mutex, uint32_t iTimeoutMs)
{
if (iTimeoutMs == 0)
return Wait(mutex);
sched_yield();
struct timespec timeout = GetAbsTime(iTimeoutMs);
return (pthread_cond_timedwait(&m_condition, &mutex, &timeout) == 0);
}
pthread_cond_t m_condition;
};
}
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