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| 1 | +// Copyright (c) 2012-2014 Konstantin Isakov <ikm@zbackup.org> and ZBackup contributors, see CONTRIBUTORS |
| 2 | +// Part of ZBackup. Licensed under GNU GPLv2 or later + OpenSSL, see LICENSE |
| 3 | + |
| 4 | +#include "mt.hh" |
| 5 | + |
| 6 | +#include <unistd.h> |
| 7 | +#include "check.hh" |
| 8 | + |
| 9 | +Mutex::Mutex() |
| 10 | +{ |
| 11 | + pthread_mutex_init( &mutex, 0 ); |
| 12 | +} |
| 13 | + |
| 14 | +void Mutex::lock() |
| 15 | +{ |
| 16 | + pthread_mutex_lock( &mutex ); |
| 17 | +} |
| 18 | + |
| 19 | +void Mutex::unlock() |
| 20 | +{ |
| 21 | + pthread_mutex_unlock( &mutex ); |
| 22 | +} |
| 23 | + |
| 24 | +Mutex::~Mutex() |
| 25 | +{ |
| 26 | + pthread_mutex_destroy( &mutex ); |
| 27 | +} |
| 28 | + |
| 29 | +Condition::Condition() |
| 30 | +{ |
| 31 | + pthread_cond_init( &cond, 0 ); |
| 32 | +} |
| 33 | + |
| 34 | +void Condition::signal() |
| 35 | +{ |
| 36 | + pthread_cond_signal( &cond ); |
| 37 | +} |
| 38 | + |
| 39 | +void Condition::broadcast() |
| 40 | +{ |
| 41 | + pthread_cond_broadcast( &cond ); |
| 42 | +} |
| 43 | + |
| 44 | +void Condition::wait( Mutex & m ) |
| 45 | +{ |
| 46 | + pthread_cond_wait( &cond, &m.mutex ); |
| 47 | +} |
| 48 | + |
| 49 | +Condition::~Condition() |
| 50 | +{ |
| 51 | + pthread_cond_destroy( &cond ); |
| 52 | +} |
| 53 | + |
| 54 | +void * Thread::__thread_routine( void * param ) |
| 55 | +{ |
| 56 | + return ( (Thread *)param ) -> threadFunction(); |
| 57 | +} |
| 58 | + |
| 59 | +void Thread::start() |
| 60 | +{ |
| 61 | + CHECK( pthread_create( &thread, 0, &__thread_routine, this ) == 0, |
| 62 | + "pthread_create() failed" ); |
| 63 | +} |
| 64 | + |
| 65 | +void Thread::detach() |
| 66 | +{ |
| 67 | + CHECK( pthread_detach( thread ) == 0, "pthread_detach() failed" ); |
| 68 | +} |
| 69 | + |
| 70 | +void * Thread::join() |
| 71 | +{ |
| 72 | + void * ret; |
| 73 | + pthread_join( thread, &ret ); |
| 74 | + return ret; |
| 75 | +} |
| 76 | + |
| 77 | +size_t getNumberOfCpus() |
| 78 | +{ |
| 79 | + long result = sysconf( _SC_NPROCESSORS_ONLN ); |
| 80 | + |
| 81 | + // Handle -1 and also sanitize the 0 value which wouldn't make sense |
| 82 | + return result < 1 ? 1 : result; |
| 83 | +} |
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