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1#ifndef THREAD_COMPAT_H
2#define THREAD_COMPAT_H
3
4#ifndef NO_PTHREADS
5#include <pthread.h>
6
7#define HAVE_THREADS 1
8
9#else
10
11#define HAVE_THREADS 0
12
13/*
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
23#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
28#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
34#define pthread_key_create(key, attr) dummy_pthread_init(key)
35#define pthread_key_delete(key)
36
37#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
42#define pthread_setspecific(key, data)
43#define pthread_getspecific(key) NULL
44
45int dummy_pthread_create(pthread_t *pthread, const void *attr,
46 void *(*fn)(void *), void *data);
47int dummy_pthread_join(pthread_t pthread, void **retval);
48
49int dummy_pthread_init(void *);
50
51#endif
52
53int online_cpus(void);
54int init_recursive_mutex(pthread_mutex_t*);
55
56
57#endif /* THREAD_COMPAT_H */