mirror of https://github.com/vitalif/zbackup
84 lines
1.4 KiB
C++
84 lines
1.4 KiB
C++
// Copyright (c) 2012-2014 Konstantin Isakov <ikm@zbackup.org> and ZBackup contributors, see CONTRIBUTORS
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// Part of ZBackup. Licensed under GNU GPLv2 or later + OpenSSL, see LICENSE
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#include "mt.hh"
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#include <unistd.h>
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#include "check.hh"
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Mutex::Mutex()
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{
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pthread_mutex_init( &mutex, 0 );
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}
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void Mutex::lock()
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{
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pthread_mutex_lock( &mutex );
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}
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void Mutex::unlock()
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{
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pthread_mutex_unlock( &mutex );
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}
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Mutex::~Mutex()
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{
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pthread_mutex_destroy( &mutex );
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}
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Condition::Condition()
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{
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pthread_cond_init( &cond, 0 );
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}
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void Condition::signal()
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{
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pthread_cond_signal( &cond );
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}
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void Condition::broadcast()
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{
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pthread_cond_broadcast( &cond );
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}
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void Condition::wait( Mutex & m )
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{
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pthread_cond_wait( &cond, &m.mutex );
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}
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Condition::~Condition()
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{
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pthread_cond_destroy( &cond );
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}
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void * Thread::__thread_routine( void * param )
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{
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return ( (Thread *)param ) -> threadFunction();
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}
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void Thread::start()
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{
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CHECK( pthread_create( &thread, 0, &__thread_routine, this ) == 0,
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"pthread_create() failed" );
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}
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void Thread::detach()
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{
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CHECK( pthread_detach( thread ) == 0, "pthread_detach() failed" );
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}
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void * Thread::join()
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{
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void * ret;
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pthread_join( thread, &ret );
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return ret;
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}
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size_t getNumberOfCpus()
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{
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long result = sysconf( _SC_NPROCESSORS_ONLN );
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// Handle -1 and also sanitize the 0 value which wouldn't make sense
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return result < 1 ? 1 : result;
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}
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