179 lines
3.7 KiB
C
179 lines
3.7 KiB
C
#ifndef MULTIPROCESSING_H
|
|
#define MULTIPROCESSING_H
|
|
|
|
#define PY_SSIZE_T_CLEAN
|
|
|
|
#include "Python.h"
|
|
#include "structmember.h"
|
|
#include "pythread.h"
|
|
|
|
/*
|
|
* Platform includes and definitions
|
|
*/
|
|
|
|
#ifdef MS_WINDOWS
|
|
# define WIN32_LEAN_AND_MEAN
|
|
# include <windows.h>
|
|
# include <winsock2.h>
|
|
# include <process.h> /* getpid() */
|
|
# ifdef Py_DEBUG
|
|
# include <crtdbg.h>
|
|
# endif
|
|
# define SEM_HANDLE HANDLE
|
|
# define SEM_VALUE_MAX LONG_MAX
|
|
#else
|
|
# include <fcntl.h> /* O_CREAT and O_EXCL */
|
|
# include <netinet/in.h>
|
|
# include <sys/socket.h>
|
|
# include <sys/uio.h>
|
|
# include <arpa/inet.h> /* htonl() and ntohl() */
|
|
# ifdef HAVE_SEM_OPEN
|
|
# include <semaphore.h>
|
|
typedef sem_t *SEM_HANDLE;
|
|
# endif
|
|
# define HANDLE int
|
|
# define SOCKET int
|
|
# define BOOL int
|
|
# define UINT32 uint32_t
|
|
# define INT32 int32_t
|
|
# define TRUE 1
|
|
# define FALSE 0
|
|
# define INVALID_HANDLE_VALUE (-1)
|
|
#endif
|
|
|
|
/*
|
|
* Issue 3110 - Solaris does not define SEM_VALUE_MAX
|
|
*/
|
|
#ifndef SEM_VALUE_MAX
|
|
# ifdef _SEM_VALUE_MAX
|
|
# define SEM_VALUE_MAX _SEM_VALUE_MAX
|
|
# else
|
|
# define SEM_VALUE_MAX INT_MAX
|
|
# endif
|
|
#endif
|
|
|
|
/*
|
|
* Make sure Py_ssize_t available
|
|
*/
|
|
|
|
#if PY_VERSION_HEX < 0x02050000 && !defined(PY_SSIZE_T_MIN)
|
|
typedef int Py_ssize_t;
|
|
# define PY_SSIZE_T_MAX INT_MAX
|
|
# define PY_SSIZE_T_MIN INT_MIN
|
|
# define F_PY_SSIZE_T "i"
|
|
# define PyInt_FromSsize_t(n) PyInt_FromLong((long)n)
|
|
#else
|
|
# define F_PY_SSIZE_T "n"
|
|
#endif
|
|
|
|
/*
|
|
* Format codes
|
|
*/
|
|
|
|
#if SIZEOF_VOID_P == SIZEOF_LONG
|
|
# define F_POINTER "k"
|
|
# define T_POINTER T_ULONG
|
|
#elif defined(HAVE_LONG_LONG) && (SIZEOF_VOID_P == SIZEOF_LONG_LONG)
|
|
# define F_POINTER "K"
|
|
# define T_POINTER T_ULONGLONG
|
|
#else
|
|
# error "can't find format code for unsigned integer of same size as void*"
|
|
#endif
|
|
|
|
#ifdef MS_WINDOWS
|
|
# define F_HANDLE F_POINTER
|
|
# define T_HANDLE T_POINTER
|
|
# define F_SEM_HANDLE F_HANDLE
|
|
# define T_SEM_HANDLE T_HANDLE
|
|
# define F_DWORD "k"
|
|
# define T_DWORD T_ULONG
|
|
#else
|
|
# define F_HANDLE "i"
|
|
# define T_HANDLE T_INT
|
|
# define F_SEM_HANDLE F_POINTER
|
|
# define T_SEM_HANDLE T_POINTER
|
|
#endif
|
|
|
|
#if PY_VERSION_HEX >= 0x03000000
|
|
# define F_RBUFFER "y"
|
|
#else
|
|
# define F_RBUFFER "s"
|
|
#endif
|
|
|
|
/*
|
|
* Error codes which can be returned by functions called without GIL
|
|
*/
|
|
|
|
#define MP_SUCCESS (0)
|
|
#define MP_STANDARD_ERROR (-1)
|
|
#define MP_MEMORY_ERROR (-1001)
|
|
#define MP_END_OF_FILE (-1002)
|
|
#define MP_EARLY_END_OF_FILE (-1003)
|
|
#define MP_BAD_MESSAGE_LENGTH (-1004)
|
|
#define MP_SOCKET_ERROR (-1005)
|
|
#define MP_EXCEPTION_HAS_BEEN_SET (-1006)
|
|
|
|
PyObject *mp_SetError(PyObject *Type, int num);
|
|
|
|
/*
|
|
* Externs - not all will really exist on all platforms
|
|
*/
|
|
|
|
extern PyObject *pickle_dumps;
|
|
extern PyObject *pickle_loads;
|
|
extern PyObject *pickle_protocol;
|
|
extern PyObject *BufferTooShort;
|
|
extern PyTypeObject SemLockType;
|
|
extern PyTypeObject ConnectionType;
|
|
extern PyTypeObject PipeConnectionType;
|
|
extern HANDLE sigint_event;
|
|
|
|
/*
|
|
* Py3k compatibility
|
|
*/
|
|
|
|
#if PY_VERSION_HEX >= 0x03000000
|
|
# define PICKLE_MODULE "pickle"
|
|
# define FROM_FORMAT PyUnicode_FromFormat
|
|
# define PyInt_FromLong PyLong_FromLong
|
|
# define PyInt_FromSsize_t PyLong_FromSsize_t
|
|
#else
|
|
# define PICKLE_MODULE "cPickle"
|
|
# define FROM_FORMAT PyString_FromFormat
|
|
#endif
|
|
|
|
#ifndef PyVarObject_HEAD_INIT
|
|
# define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size,
|
|
#endif
|
|
|
|
#ifndef Py_TPFLAGS_HAVE_WEAKREFS
|
|
# define Py_TPFLAGS_HAVE_WEAKREFS 0
|
|
#endif
|
|
|
|
/*
|
|
* Connection definition
|
|
*/
|
|
|
|
#define CONNECTION_BUFFER_SIZE 1024
|
|
|
|
typedef struct {
|
|
PyObject_HEAD
|
|
HANDLE handle;
|
|
int flags;
|
|
PyObject *weakreflist;
|
|
char buffer[CONNECTION_BUFFER_SIZE];
|
|
} ConnectionObject;
|
|
|
|
/*
|
|
* Miscellaneous
|
|
*/
|
|
|
|
#define MAX_MESSAGE_LENGTH 0x7fffffff
|
|
|
|
#ifndef MIN
|
|
# define MIN(x, y) ((x) < (y) ? x : y)
|
|
# define MAX(x, y) ((x) > (y) ? x : y)
|
|
#endif
|
|
|
|
#endif /* MULTIPROCESSING_H */
|