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Support python modules on Windows for MinGW.

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nospam 2022-08-27 21:30:33 +03:00
parent e6f878ee71
commit fd4af23351
3 changed files with 67 additions and 0 deletions
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5
acx_python.m4
View file

@ -70,8 +70,13 @@ AC_DEFUN([AC_PYTHON_DEVEL],[
#
AC_MSG_CHECKING([for Python library path])
if test -z "$PYTHON_LDFLAGS"; then
if test $on_mingw = "yes"; then
PYTHON_LDFLAGS=`$PYTHON -c "from $sysconfig_module import *; \
print('-L'+get_config_var('LIBDIR')+' -L'+get_config_var('LIBDEST')+' '+get_config_var('LIBPYTHON')+'.dll');"`
else
PYTHON_LDFLAGS=`$PYTHON -c "from $sysconfig_module import *; \
print('-L'+get_config_var('LIBDIR')+' -L'+get_config_var('LIBDEST')+' '+get_config_var('BLDLIBRARY'));"`
fi
fi
AC_MSG_RESULT([$PYTHON_LDFLAGS])
AC_SUBST([PYTHON_LDFLAGS])

4
configure.ac
View file

@ -569,6 +569,10 @@ else
fi
fi
if test "$on_mingw" = "yes"; then
LIBS="$LIBS -lntdll"
fi
# check windows threads (we use them, not pthreads, on windows).
if test "$on_mingw" = "yes"; then
# check windows threads

58
libunbound/python/file_py3.i
View file

@ -32,12 +32,62 @@
%{
#include <unistd.h>
#include <fcntl.h>
#ifdef __MINGW32__
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
%}
%types(FILE *);
//#define SWIG_FILE3_DEBUG
%{
#ifdef __MINGW32__
typedef LONG NTSTATUS;
typedef struct _IO_STATUS_BLOCK {
union {
NTSTATUS Status;
PVOID Pointer;
};
ULONG_PTR Information;
} IO_STATUS_BLOCK, * PIO_STATUS_BLOCK;
typedef enum _FILE_INFORMATION_CLASS {
FileAccessInformation = 8,
} FILE_INFORMATION_CLASS, * PFILE_INFORMATION_CLASS;
typedef struct _FILE_ACCESS_INFORMATION {
ACCESS_MASK AccessFlags;
} FILE_ACCESS_INFORMATION, * PFILE_ACCESS_INFORMATION;
extern NTSTATUS __stdcall NtQueryInformationFile(
/*IN*/ HANDLE FileHandle,
/*OUT*/ PIO_STATUS_BLOCK IoStatusBlock,
/*OUT*/ PVOID FileInformation,
/*IN*/ ULONG Length,
/*IN*/ FILE_INFORMATION_CLASS FileInformationClass
);
int fcntl_getfl(int fd)
{
intptr_t fh;
NTSTATUS ntrc;
IO_STATUS_BLOCK sb;
FILE_ACCESS_INFORMATION fi;
int is_r, is_w;
fh = _get_osfhandle(fh);
if (fh == -1) { return -1; }
ntrc = NtQueryInformationFile((HANDLE)fh, &sb, &fi, sizeof(fi), FileAccessInformation);
if (ntrc != 0) { return -1; }
is_r = (fi.AccessFlags & FILE_READ_DATA) == FILE_READ_DATA;
is_w = (fi.AccessFlags & FILE_WRITE_DATA) == FILE_WRITE_DATA;
if (is_r && is_w) { return _O_RDWR; }
if (is_w) { return _O_WRONLY; }
if (is_r) { return _O_RDONLY; }
return -1;
}
#endif
%}
/* converts basic file descriptor flags onto a string */
%fragment("fdfl_to_str", "header") {
const char *
@ -63,7 +113,11 @@ is_obj_file(PyObject *obj) {
PyObject_HasAttrString(obj, "fileno") && /* has fileno method */
(PyObject_CallMethod(obj, "flush", NULL) != NULL) && /* flush() succeeded */
((fd = PyObject_AsFileDescriptor(obj)) != -1) && /* got file descriptor */
%#ifdef __MINGW32__
((fdfl = fcntl_getfl(fd)) != -1)
%#else
((fdfl = fcntl(fd, F_GETFL)) != -1) /* got descriptor flags */
%#endif
) {
return 1;
}
@ -80,7 +134,11 @@ obj_to_file(PyObject *obj) {
FILE *fp;
if (is_obj_file(obj)) {
fd = PyObject_AsFileDescriptor(obj);
%#ifdef __MINGW32__
fdfl = fcntl_getfl(fd);
%#else
fdfl = fcntl(fd, F_GETFL);
%#endif
fp = fdopen(dup(fd), fdfl_to_str(fdfl)); /* the FILE* must be flushed
and closed after being used */
#ifdef SWIG_FILE3_DEBUG