1  /* This header is used during the build process to find the size and 
       2     alignment of the public OpenMP locks, so that we can export data
       3     structures without polluting the namespace.
       4  
       5     In this default POSIX implementation, we used to map the two locks to the
       6     same PTHREADS primitive, but for OpenMP 3.0 sem_t needs to be used
       7     instead, as pthread_mutex_unlock should not be called by different
       8     thread than the one that called pthread_mutex_lock.  */
       9  
      10  #include <pthread.h>
      11  #include <semaphore.h>
      12  
      13  typedef pthread_mutex_t omp_lock_25_t;
      14  typedef struct { pthread_mutex_t lock; int count; } omp_nest_lock_25_t;
      15  #ifdef HAVE_BROKEN_POSIX_SEMAPHORES
      16  /* If we don't have working semaphores, we'll make all explicit tasks
      17     tied to the creating thread.  */
      18  typedef pthread_mutex_t omp_lock_t;
      19  typedef struct { pthread_mutex_t lock; int count; void *owner; } omp_nest_lock_t;
      20  #else
      21  typedef sem_t omp_lock_t;
      22  typedef struct { sem_t lock; int count; void *owner; } omp_nest_lock_t;
      23  #endif