vidya7732/AI_Doctor_LLM_GenModel

1 2#ifndef Py_PYTHREAD_H3#define Py_PYTHREAD_H4 5typedef void *PyThread_type_lock;6 7#ifdef __cplusplus8extern "C" {9#endif10 11/* Return status codes for Python lock acquisition.  Chosen for maximum12 * backwards compatibility, ie failure -> 0, success -> 1.  */13typedef enum PyLockStatus {14    PY_LOCK_FAILURE = 0,15    PY_LOCK_ACQUIRED = 1,16    PY_LOCK_INTR17} PyLockStatus;18 19#ifndef Py_LIMITED_API20#define PYTHREAD_INVALID_THREAD_ID ((unsigned long)-1)21#endif22 23PyAPI_FUNC(void) PyThread_init_thread(void);24PyAPI_FUNC(unsigned long) PyThread_start_new_thread(void (*)(void *), void *);25PyAPI_FUNC(void) _Py_NO_RETURN PyThread_exit_thread(void);26PyAPI_FUNC(unsigned long) PyThread_get_thread_ident(void);27 28#if defined(__APPLE__) || defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(_WIN32) || defined(_AIX)29#define PY_HAVE_THREAD_NATIVE_ID30PyAPI_FUNC(unsigned long) PyThread_get_thread_native_id(void);31#endif32 33PyAPI_FUNC(PyThread_type_lock) PyThread_allocate_lock(void);34PyAPI_FUNC(void) PyThread_free_lock(PyThread_type_lock);35PyAPI_FUNC(int) PyThread_acquire_lock(PyThread_type_lock, int);36#define WAIT_LOCK       137#define NOWAIT_LOCK     038 39#ifndef Py_LIMITED_API40#ifdef HAVE_FORK41/* Private function to reinitialize a lock at fork in the child process.42   Reset the lock to the unlocked state.43   Return 0 on success, return -1 on error. */44PyAPI_FUNC(int) _PyThread_at_fork_reinit(PyThread_type_lock *lock);45#endif  /* HAVE_FORK */46#endif  /* !Py_LIMITED_API */47 48/* PY_TIMEOUT_T is the integral type used to specify timeouts when waiting49   on a lock (see PyThread_acquire_lock_timed() below).50   PY_TIMEOUT_MAX is the highest usable value (in microseconds) of that51   type, and depends on the system threading API.52 53   NOTE: this isn't the same value as `_thread.TIMEOUT_MAX`.  The _thread54   module exposes a higher-level API, with timeouts expressed in seconds55   and floating-point numbers allowed.56*/57#define PY_TIMEOUT_T long long58 59#if defined(_POSIX_THREADS)60   /* PyThread_acquire_lock_timed() uses _PyTime_FromNanoseconds(us * 1000),61      convert microseconds to nanoseconds. */62#  define PY_TIMEOUT_MAX (LLONG_MAX / 1000)63#elif defined (NT_THREADS)64   /* In the NT API, the timeout is a DWORD and is expressed in milliseconds */65#  if 0xFFFFFFFFLL * 1000 < LLONG_MAX66#    define PY_TIMEOUT_MAX (0xFFFFFFFFLL * 1000)67#  else68#    define PY_TIMEOUT_MAX LLONG_MAX69#  endif70#else71#  define PY_TIMEOUT_MAX LLONG_MAX72#endif73 74 75/* If microseconds == 0, the call is non-blocking: it returns immediately76   even when the lock can't be acquired.77   If microseconds > 0, the call waits up to the specified duration.78   If microseconds < 0, the call waits until success (or abnormal failure)79 80   microseconds must be less than PY_TIMEOUT_MAX. Behaviour otherwise is81   undefined.82 83   If intr_flag is true and the acquire is interrupted by a signal, then the84   call will return PY_LOCK_INTR.  The caller may reattempt to acquire the85   lock.86*/87PyAPI_FUNC(PyLockStatus) PyThread_acquire_lock_timed(PyThread_type_lock,88                                                     PY_TIMEOUT_T microseconds,89                                                     int intr_flag);90 91PyAPI_FUNC(void) PyThread_release_lock(PyThread_type_lock);92 93PyAPI_FUNC(size_t) PyThread_get_stacksize(void);94PyAPI_FUNC(int) PyThread_set_stacksize(size_t);95 96#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x0303000097PyAPI_FUNC(PyObject*) PyThread_GetInfo(void);98#endif99 100 101/* Thread Local Storage (TLS) API102   TLS API is DEPRECATED.  Use Thread Specific Storage (TSS) API.103 104   The existing TLS API has used int to represent TLS keys across all105   platforms, but it is not POSIX-compliant.  Therefore, the new TSS API uses106   opaque data type to represent TSS keys to be compatible (see PEP 539).107*/108Py_DEPRECATED(3.7) PyAPI_FUNC(int) PyThread_create_key(void);109Py_DEPRECATED(3.7) PyAPI_FUNC(void) PyThread_delete_key(int key);110Py_DEPRECATED(3.7) PyAPI_FUNC(int) PyThread_set_key_value(int key,111                                                          void *value);112Py_DEPRECATED(3.7) PyAPI_FUNC(void *) PyThread_get_key_value(int key);113Py_DEPRECATED(3.7) PyAPI_FUNC(void) PyThread_delete_key_value(int key);114 115/* Cleanup after a fork */116Py_DEPRECATED(3.7) PyAPI_FUNC(void) PyThread_ReInitTLS(void);117 118 119#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03070000120/* New in 3.7 */121/* Thread Specific Storage (TSS) API */122 123typedef struct _Py_tss_t Py_tss_t;  /* opaque */124 125#ifndef Py_LIMITED_API126#if defined(_POSIX_THREADS)127    /* Darwin needs pthread.h to know type name the pthread_key_t. */128#   include <pthread.h>129#   define NATIVE_TSS_KEY_T     pthread_key_t130#elif defined(NT_THREADS)131    /* In Windows, native TSS key type is DWORD,132       but hardcode the unsigned long to avoid errors for include directive.133    */134#   define NATIVE_TSS_KEY_T     unsigned long135#else136#   error "Require native threads. See https://bugs.python.org/issue31370"137#endif138 139/* When Py_LIMITED_API is not defined, the type layout of Py_tss_t is140   exposed to allow static allocation in the API clients.  Even in this case,141   you must handle TSS keys through API functions due to compatibility.142*/143struct _Py_tss_t {144    int _is_initialized;145    NATIVE_TSS_KEY_T _key;146};147 148#undef NATIVE_TSS_KEY_T149 150/* When static allocation, you must initialize with Py_tss_NEEDS_INIT. */151#define Py_tss_NEEDS_INIT   {0}152#endif  /* !Py_LIMITED_API */153 154PyAPI_FUNC(Py_tss_t *) PyThread_tss_alloc(void);155PyAPI_FUNC(void) PyThread_tss_free(Py_tss_t *key);156 157/* The parameter key must not be NULL. */158PyAPI_FUNC(int) PyThread_tss_is_created(Py_tss_t *key);159PyAPI_FUNC(int) PyThread_tss_create(Py_tss_t *key);160PyAPI_FUNC(void) PyThread_tss_delete(Py_tss_t *key);161PyAPI_FUNC(int) PyThread_tss_set(Py_tss_t *key, void *value);162PyAPI_FUNC(void *) PyThread_tss_get(Py_tss_t *key);163#endif  /* New in 3.7 */164 165#ifdef __cplusplus166}167#endif168 169#endif /* !Py_PYTHREAD_H */170