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#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() */
# if defined(HAVE_SEM_OPEN) && !defined(HAVE_BROKEN_POSIX_SEMAPHORES)
# 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
#if defined(HAVE_SYSCONF) && defined(_SC_SEM_VALUE_MAX)
# define SEM_VALUE_MAX sysconf(_SC_SEM_VALUE_MAX)
#elif defined(_SEM_VALUE_MAX)
# define SEM_VALUE_MAX _SEM_VALUE_MAX
#elif defined(_POSIX_SEM_VALUE_MAX)
# define SEM_VALUE_MAX _POSIX_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 */
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