44 lines
1.5 KiB
C
44 lines
1.5 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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// PY_TIMEOUT_MAX is the highest usable value (in microseconds) of PY_TIMEOUT_T
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// type, and depends on the system threading API.
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//
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// NOTE: this isn't the same value as `_thread.TIMEOUT_MAX`. The _thread module
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// exposes a higher-level API, with timeouts expressed in seconds and
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// floating-point numbers allowed.
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PyAPI_DATA(const long long) PY_TIMEOUT_MAX;
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#define PYTHREAD_INVALID_THREAD_ID ((unsigned long)-1)
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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 "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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