89 lines
3.4 KiB
C
89 lines
3.4 KiB
C
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#ifndef Py_CPYTHON_PTRHEAD_STUBS_H
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#define Py_CPYTHON_PTRHEAD_STUBS_H
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#if !defined(HAVE_PTHREAD_STUBS)
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# error "this header file requires stubbed pthreads."
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#endif
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#ifndef _POSIX_THREADS
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# define _POSIX_THREADS 1
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#endif
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/* Minimal pthread stubs for CPython.
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*
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* The stubs implement the minimum pthread API for CPython.
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* - pthread_create() fails.
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* - pthread_exit() calls exit(0).
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* - pthread_key_*() functions implement minimal TSS without destructor.
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* - all other functions do nothing and return 0.
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*/
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#ifdef __wasi__
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// WASI's bits/alltypes.h provides type definitions when __NEED_ is set.
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// The header file can be included multiple times.
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# define __NEED_pthread_cond_t 1
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# define __NEED_pthread_condattr_t 1
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# define __NEED_pthread_mutex_t 1
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# define __NEED_pthread_mutexattr_t 1
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# define __NEED_pthread_key_t 1
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# define __NEED_pthread_t 1
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# define __NEED_pthread_attr_t 1
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# include <bits/alltypes.h>
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#else
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typedef struct { void *__x; } pthread_cond_t;
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typedef struct { unsigned __attr; } pthread_condattr_t;
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typedef struct { void *__x; } pthread_mutex_t;
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typedef struct { unsigned __attr; } pthread_mutexattr_t;
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typedef unsigned pthread_key_t;
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typedef unsigned pthread_t;
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typedef struct { unsigned __attr; } pthread_attr_t;
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#endif
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// mutex
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PyAPI_FUNC(int) pthread_mutex_init(pthread_mutex_t *restrict mutex,
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const pthread_mutexattr_t *restrict attr);
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PyAPI_FUNC(int) pthread_mutex_destroy(pthread_mutex_t *mutex);
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PyAPI_FUNC(int) pthread_mutex_trylock(pthread_mutex_t *mutex);
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PyAPI_FUNC(int) pthread_mutex_lock(pthread_mutex_t *mutex);
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PyAPI_FUNC(int) pthread_mutex_unlock(pthread_mutex_t *mutex);
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// condition
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PyAPI_FUNC(int) pthread_cond_init(pthread_cond_t *restrict cond,
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const pthread_condattr_t *restrict attr);
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PyAPI_FUNC(int) pthread_cond_destroy(pthread_cond_t *cond);
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PyAPI_FUNC(int) pthread_cond_wait(pthread_cond_t *restrict cond,
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pthread_mutex_t *restrict mutex);
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PyAPI_FUNC(int) pthread_cond_timedwait(pthread_cond_t *restrict cond,
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pthread_mutex_t *restrict mutex,
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const struct timespec *restrict abstime);
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PyAPI_FUNC(int) pthread_cond_signal(pthread_cond_t *cond);
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PyAPI_FUNC(int) pthread_condattr_init(pthread_condattr_t *attr);
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PyAPI_FUNC(int) pthread_condattr_setclock(
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pthread_condattr_t *attr, clockid_t clock_id);
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// pthread
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PyAPI_FUNC(int) pthread_create(pthread_t *restrict thread,
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const pthread_attr_t *restrict attr,
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void *(*start_routine)(void *),
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void *restrict arg);
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PyAPI_FUNC(int) pthread_detach(pthread_t thread);
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PyAPI_FUNC(pthread_t) pthread_self(void);
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PyAPI_FUNC(int) pthread_exit(void *retval) __attribute__ ((__noreturn__));
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PyAPI_FUNC(int) pthread_attr_init(pthread_attr_t *attr);
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PyAPI_FUNC(int) pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize);
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PyAPI_FUNC(int) pthread_attr_destroy(pthread_attr_t *attr);
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// pthread_key
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#ifndef PTHREAD_KEYS_MAX
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# define PTHREAD_KEYS_MAX 128
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#endif
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PyAPI_FUNC(int) pthread_key_create(pthread_key_t *key,
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void (*destr_function)(void *));
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PyAPI_FUNC(int) pthread_key_delete(pthread_key_t key);
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PyAPI_FUNC(void *) pthread_getspecific(pthread_key_t key);
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PyAPI_FUNC(int) pthread_setspecific(pthread_key_t key, const void *value);
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#endif // Py_CPYTHON_PTRHEAD_STUBS_H
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