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