43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
#ifndef Py_CPYTHON_PYTHREAD_H
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# error "this header file must not be included directly"
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#endif
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#define PYTHREAD_INVALID_THREAD_ID ((unsigned long)-1)
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#ifdef HAVE_FORK
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/* Private function to reinitialize a lock at fork in the child process.
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Reset the lock to the unlocked state.
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Return 0 on success, return -1 on error. */
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PyAPI_FUNC(int) _PyThread_at_fork_reinit(PyThread_type_lock *lock);
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#endif /* HAVE_FORK */
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#ifdef HAVE_PTHREAD_H
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/* Darwin needs pthread.h to know type name the pthread_key_t. */
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# include <pthread.h>
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# define NATIVE_TSS_KEY_T pthread_key_t
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#elif defined(NT_THREADS)
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/* In Windows, native TSS key type is DWORD,
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but hardcode the unsigned long to avoid errors for include directive.
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*/
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# define NATIVE_TSS_KEY_T unsigned long
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#elif defined(HAVE_PTHREAD_STUBS)
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# include "cpython/pthread_stubs.h"
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# define NATIVE_TSS_KEY_T pthread_key_t
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#else
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# error "Require native threads. See https://bugs.python.org/issue31370"
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#endif
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/* When Py_LIMITED_API is not defined, the type layout of Py_tss_t is
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exposed to allow static allocation in the API clients. Even in this case,
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you must handle TSS keys through API functions due to compatibility.
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*/
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struct _Py_tss_t {
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int _is_initialized;
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NATIVE_TSS_KEY_T _key;
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};
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#undef NATIVE_TSS_KEY_T
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/* When static allocation, you must initialize with Py_tss_NEEDS_INIT. */
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#define Py_tss_NEEDS_INIT {0}
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