29 lines
951 B
C++
29 lines
951 B
C++
#include "threadpool/atomic_helpers.h"
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#include <stdexcept>
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#ifdef USE_PTHREAD_ATOMIC_LOCK
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// Print a warning if we defaulted to use pthreads for atomic operations
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// This can decrease the performance of atomic operations
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// We print the message here so it is only printed once
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#warning using pthreads for atomic operations, this may affect performance
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#endif
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namespace AtomicOperations {
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#ifdef USE_PTHREAD_ATOMIC_LOCK
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pthread_mutex_t atomic_pthread_lock;
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static pthread_mutexattr_t threadpool_global_attr;
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static int create_atomic_pthread_lock( ) {
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pthread_mutexattr_init(&threadpool_global_attr);
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int error = pthread_mutex_init(&atomic_pthread_lock,&threadpool_global_attr);
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if ( error != 0 ) { throw std::logic_error("Error initializing mutex:"); }
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return error;
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}
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int atomic_pthread_lock_initialized = create_atomic_pthread_lock();
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#endif
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} // AtomicOperations namespace
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