1#ifndef THREAD_COMPAT_H
   2#define THREAD_COMPAT_H
   3#ifndef NO_PTHREADS
   5#include <pthread.h>
   6#define HAVE_THREADS 1
   8#else
  10#define HAVE_THREADS 0
  12/*
  14 * macros instead of typedefs because pthread definitions may have
  15 * been pulled in by some system dependencies even though the user
  16 * wants to disable pthread.
  17 */
  18#define pthread_t int
  19#define pthread_mutex_t int
  20#define pthread_cond_t int
  21#define pthread_key_t int
  22#define pthread_mutex_init(mutex, attr) dummy_pthread_init(mutex)
  24#define pthread_mutex_lock(mutex)
  25#define pthread_mutex_unlock(mutex)
  26#define pthread_mutex_destroy(mutex)
  27#define pthread_cond_init(cond, attr) dummy_pthread_init(cond)
  29#define pthread_cond_wait(cond, mutex)
  30#define pthread_cond_signal(cond)
  31#define pthread_cond_broadcast(cond)
  32#define pthread_cond_destroy(cond)
  33#define pthread_key_create(key, attr) dummy_pthread_init(key)
  35#define pthread_key_delete(key)
  36#define pthread_create(thread, attr, fn, data) \
  38        dummy_pthread_create(thread, attr, fn, data)
  39#define pthread_join(thread, retval) \
  40        dummy_pthread_join(thread, retval)
  41#define pthread_setspecific(key, data)
  43#define pthread_getspecific(key) NULL
  44int dummy_pthread_create(pthread_t *pthread, const void *attr,
  46                         void *(*fn)(void *), void *data);
  47int dummy_pthread_join(pthread_t pthread, void **retval);
  48int dummy_pthread_init(void *);
  50#endif
  52int online_cpus(void);
  54int init_recursive_mutex(pthread_mutex_t*);
  55#endif /* THREAD_COMPAT_H */