1 #ifndef MULTIPROCESSING_H 2 #define MULTIPROCESSING_H 3 4 #define PY_SSIZE_T_CLEAN 5 6 #include "Python.h" 7 #include "structmember.h" 8 #include "pythread.h" 9 10 /* 11 * Platform includes and definitions 12 */ 13 14 #ifdef MS_WINDOWS 15 # define WIN32_LEAN_AND_MEAN 16 # include <windows.h> 17 # include <winsock2.h> 18 # include <process.h> /* getpid() */ 19 # ifdef Py_DEBUG 20 # include <crtdbg.h> 21 # endif 22 # define SEM_HANDLE HANDLE 23 # define SEM_VALUE_MAX LONG_MAX 24 #else 25 # include <fcntl.h> /* O_CREAT and O_EXCL */ 26 # if defined(HAVE_SEM_OPEN) && !defined(POSIX_SEMAPHORES_NOT_ENABLED) 27 # include <semaphore.h> 28 typedef sem_t *SEM_HANDLE; 29 # endif 30 # define HANDLE int 31 # define SOCKET int 32 # define BOOL int 33 # define UINT32 uint32_t 34 # define INT32 int32_t 35 # define TRUE 1 36 # define FALSE 0 37 # define INVALID_HANDLE_VALUE (-1) 38 #endif 39 40 /* 41 * Issue 3110 - Solaris does not define SEM_VALUE_MAX 42 */ 43 #ifndef SEM_VALUE_MAX 44 #if defined(HAVE_SYSCONF) && defined(_SC_SEM_VALUE_MAX) 45 # define SEM_VALUE_MAX sysconf(_SC_SEM_VALUE_MAX) 46 #elif defined(_SEM_VALUE_MAX) 47 # define SEM_VALUE_MAX _SEM_VALUE_MAX 48 #elif defined(_POSIX_SEM_VALUE_MAX) 49 # define SEM_VALUE_MAX _POSIX_SEM_VALUE_MAX 50 #else 51 # define SEM_VALUE_MAX INT_MAX 52 #endif 53 #endif 54 55 56 /* 57 * Format codes 58 */ 59 60 #if SIZEOF_VOID_P == SIZEOF_LONG 61 # define F_POINTER "k" 62 # define T_POINTER T_ULONG 63 #elif SIZEOF_VOID_P == SIZEOF_LONG_LONG 64 # define F_POINTER "K" 65 # define T_POINTER T_ULONGLONG 66 #else 67 # error "can't find format code for unsigned integer of same size as void*" 68 #endif 69 70 #ifdef MS_WINDOWS 71 # define F_HANDLE F_POINTER 72 # define T_HANDLE T_POINTER 73 # define F_SEM_HANDLE F_HANDLE 74 # define T_SEM_HANDLE T_HANDLE 75 # define F_DWORD "k" 76 # define T_DWORD T_ULONG 77 #else 78 # define F_HANDLE "i" 79 # define T_HANDLE T_INT 80 # define F_SEM_HANDLE F_POINTER 81 # define T_SEM_HANDLE T_POINTER 82 #endif 83 84 /* 85 * Error codes which can be returned by functions called without GIL 86 */ 87 88 #define MP_SUCCESS (0) 89 #define MP_STANDARD_ERROR (-1) 90 #define MP_MEMORY_ERROR (-1001) 91 #define MP_SOCKET_ERROR (-1002) 92 #define MP_EXCEPTION_HAS_BEEN_SET (-1003) 93 94 PyObject *_PyMp_SetError(PyObject *Type, int num); 95 96 /* 97 * Externs - not all will really exist on all platforms 98 */ 99 100 extern PyTypeObject _PyMp_SemLockType; 101 extern PyObject *_PyMp_sem_unlink(PyObject *ignore, PyObject *args); 102 103 #endif /* MULTIPROCESSING_H */ 104
