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EDIT :: pythread.h

#ifndef Py_PYTHREAD_H #define Py_PYTHREAD_H typedef void *PyThread_type_lock; typedef void *PyThread_type_sema; #ifdef __cplusplus extern "C" { #endif /* Return status codes for Python lock acquisition. Chosen for maximum * backwards compatibility, ie failure -> 0, success -> 1. */ typedef enum PyLockStatus { PY_LOCK_FAILURE = 0, PY_LOCK_ACQUIRED = 1, PY_LOCK_INTR } PyLockStatus; PyAPI_FUNC(void) PyThread_init_thread(void); PyAPI_FUNC(long) PyThread_start_new_thread(void (*)(void *), void *); PyAPI_FUNC(void) PyThread_exit_thread(void); PyAPI_FUNC(long) PyThread_get_thread_ident(void); PyAPI_FUNC(PyThread_type_lock) PyThread_allocate_lock(void); PyAPI_FUNC(void) PyThread_free_lock(PyThread_type_lock); PyAPI_FUNC(int) PyThread_acquire_lock(PyThread_type_lock, int); #define WAIT_LOCK 1 #define NOWAIT_LOCK 0 /* PY_TIMEOUT_T is the integral type used to specify timeouts when waiting on a lock (see PyThread_acquire_lock_timed() below). PY_TIMEOUT_MAX is the highest usable value (in microseconds) of that type, and depends on the system threading API. NOTE: this isn't the same value as `_thread.TIMEOUT_MAX`. The _thread module exposes a higher-level API, with timeouts expressed in seconds and floating-point numbers allowed. */ #if defined(HAVE_LONG_LONG) #define PY_TIMEOUT_T PY_LONG_LONG #define PY_TIMEOUT_MAX PY_LLONG_MAX #else #define PY_TIMEOUT_T long #define PY_TIMEOUT_MAX LONG_MAX #endif /* In the NT API, the timeout is a DWORD and is expressed in milliseconds */ #if defined (NT_THREADS) #if (Py_LL(0xFFFFFFFF) * 1000 < PY_TIMEOUT_MAX) #undef PY_TIMEOUT_MAX #define PY_TIMEOUT_MAX (Py_LL(0xFFFFFFFF) * 1000) #endif #endif /* If microseconds == 0, the call is non-blocking: it returns immediately even when the lock can't be acquired. If microseconds > 0, the call waits up to the specified duration. If microseconds < 0, the call waits until success (or abnormal failure) microseconds must be less than PY_TIMEOUT_MAX. Behaviour otherwise is undefined. If intr_flag is true and the acquire is interrupted by a signal, then the call will return PY_LOCK_INTR. The caller may reattempt to acquire the lock. */ PyAPI_FUNC(PyLockStatus) PyThread_acquire_lock_timed(PyThread_type_lock, PY_TIMEOUT_T microseconds, int intr_flag); PyAPI_FUNC(void) PyThread_release_lock(PyThread_type_lock); PyAPI_FUNC(size_t) PyThread_get_stacksize(void); PyAPI_FUNC(int) PyThread_set_stacksize(size_t); PyAPI_FUNC(PyObject*) PyThread_GetInfo(void); /* Thread Local Storage (TLS) API */ PyAPI_FUNC(int) PyThread_create_key(void); PyAPI_FUNC(void) PyThread_delete_key(int); PyAPI_FUNC(int) PyThread_set_key_value(int, void *); PyAPI_FUNC(void *) PyThread_get_key_value(int); PyAPI_FUNC(void) PyThread_delete_key_value(int key); /* Cleanup after a fork */ PyAPI_FUNC(void) PyThread_ReInitTLS(void); #ifdef __cplusplus } #endif #endif /* !Py_PYTHREAD_H */

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