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112 lines
3.4 KiB
C
112 lines
3.4 KiB
C
/*
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* libvirt_wrap.h: type wrappers for libvir python bindings
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*
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* Copyright (C) 2005 Red Hat, Inc.
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*
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* Daniel Veillard <veillard@redhat.com>
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*/
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#include <Python.h>
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#include <libvirt/libvirt.h>
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#include <libvirt/virterror.h>
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#ifdef __GNUC__
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#ifdef ATTRIBUTE_UNUSED
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#undef ATTRIBUTE_UNUSED
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#endif
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#ifndef ATTRIBUTE_UNUSED
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#define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
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#endif /* ATTRIBUTE_UNUSED */
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#else
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#define ATTRIBUTE_UNUSED
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#endif
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#define PyvirConnect_Get(v) (((v) == Py_None) ? NULL : \
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(((PyvirConnect_Object *)(v))->obj))
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typedef struct {
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PyObject_HEAD
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virConnectPtr obj;
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} PyvirConnect_Object;
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#define PyvirDomain_Get(v) (((v) == Py_None) ? NULL : \
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(((PyvirDomain_Object *)(v))->obj))
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typedef struct {
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PyObject_HEAD
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virDomainPtr obj;
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} PyvirDomain_Object;
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#define PyvirNetwork_Get(v) (((v) == Py_None) ? NULL : \
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(((PyvirNetwork_Object *)(v))->obj))
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typedef struct {
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PyObject_HEAD
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virNetworkPtr obj;
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} PyvirNetwork_Object;
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PyObject * libvirt_intWrap(int val);
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PyObject * libvirt_longWrap(long val);
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PyObject * libvirt_ulongWrap(unsigned long val);
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PyObject * libvirt_longlongWrap(long long val);
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PyObject * libvirt_charPtrWrap(char *str);
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PyObject * libvirt_constcharPtrWrap(const char *str);
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PyObject * libvirt_charPtrConstWrap(const char *str);
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PyObject * libvirt_virConnectPtrWrap(virConnectPtr node);
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PyObject * libvirt_virDomainPtrWrap(virDomainPtr node);
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PyObject * libvirt_virNetworkPtrWrap(virNetworkPtr node);
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/* Provide simple macro statement wrappers (adapted from GLib, in turn from Perl):
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* LIBVIRT_STMT_START { statements; } LIBVIRT_STMT_END;
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* can be used as a single statement, as in
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* if (x) LIBVIRT_STMT_START { ... } LIBVIRT_STMT_END; else ...
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*
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* When GCC is compiling C code in non-ANSI mode, it will use the
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* compiler __extension__ to wrap the statements wihin `({' and '})' braces.
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* When compiling on platforms where configure has defined
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* HAVE_DOWHILE_MACROS, statements will be wrapped with `do' and `while (0)'.
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* For any other platforms (SunOS4 is known to have this issue), wrap the
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* statements with `if (1)' and `else (void) 0'.
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*/
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#if !(defined (LIBVIRT_STMT_START) && defined (LIBVIRT_STMT_END))
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# if defined (__GNUC__) && !defined (__STRICT_ANSI__) && !defined (__cplusplus)
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# define LIBVIRT_STMT_START (void) __extension__ (
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# define LIBVIRT_STMT_END )
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# else /* !(__GNUC__ && !__STRICT_ANSI__ && !__cplusplus) */
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# if defined (HAVE_DOWHILE_MACROS)
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# define LIBVIRT_STMT_START do
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# define LIBVIRT_STMT_END while (0)
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# else /* !HAVE_DOWHILE_MACROS */
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# define LIBVIRT_STMT_START if (1)
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# define LIBVIRT_STMT_END else (void) 0
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# endif /* !HAVE_DOWHILE_MACROS */
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# endif /* !(__GNUC__ && !__STRICT_ANSI__ && !__cplusplus) */
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#endif
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#define LIBVIRT_BEGIN_ALLOW_THREADS \
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LIBVIRT_STMT_START { \
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PyThreadState *_save = NULL; \
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if (PyEval_ThreadsInitialized()) \
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_save = PyEval_SaveThread();
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#define LIBVIRT_END_ALLOW_THREADS \
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if (PyEval_ThreadsInitialized()) \
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PyEval_RestoreThread(_save); \
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} LIBVIRT_STMT_END
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#define LIBVIRT_ENSURE_THREAD_STATE \
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LIBVIRT_STMT_START { \
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PyGILState_STATE _save = PyGILState_UNLOCKED; \
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if (PyEval_ThreadsInitialized()) \
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_save = PyGILState_Ensure();
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#define LIBVIRT_RELEASE_THREAD_STATE \
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if (PyEval_ThreadsInitialized()) \
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PyGILState_Release(_save); \
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} LIBVIRT_STMT_END
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