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kernelbase: Add OpenFileMappingFromApp().

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Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
This commit is contained in:
Nikolay Sivov 2022-09-18 15:50:47 +03:00 • committed by Alexandre Julliard
parent b114b2c9eb
commit 40d0e55d4c
4 changed files with 47 additions and 1 deletions
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2
dlls/kernelbase/kernelbase.spec
View file

@ -1015,7 +1015,7 @@
@ stdcall OpenEventA(long long str)
@ stdcall OpenEventW(long long wstr)
@ stdcall OpenFileById(long ptr long long ptr long)
# @ stub OpenFileMappingFromApp
@ stdcall OpenFileMappingFromApp(long long wstr)
@ stdcall OpenFileMappingW(long long wstr)
# @ stub OpenGlobalizationUserSettingsKey
@ stdcall OpenMutexW(long long wstr)

18
dlls/kernelbase/sync.c
View file

@ -971,6 +971,24 @@ HANDLE WINAPI DECLSPEC_HOTPATCH OpenFileMappingW( DWORD access, BOOL inherit, LP
}
/***********************************************************************
* OpenFileMappingFromApp (kernelbase.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH OpenFileMappingFromApp( ULONG access, BOOL inherit, LPCWSTR name )
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
HANDLE ret;
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
if (access == FILE_MAP_COPY) access = SECTION_MAP_READ;
if (!set_ntstatus( NtOpenSection( &ret, access, &attr ))) return 0;
return ret;
}
/***********************************************************************
* Condition variables
***********************************************************************/

27
dlls/kernelbase/tests/process.c
View file

@ -36,6 +36,7 @@ static LPVOID (WINAPI *pMapViewOfFile3)(HANDLE, HANDLE, PVOID, ULONG64 offset, S
static LPVOID (WINAPI *pVirtualAlloc2)(HANDLE, void *, SIZE_T, DWORD, DWORD, MEM_EXTENDED_PARAMETER *, ULONG);
static LPVOID (WINAPI *pVirtualAlloc2FromApp)(HANDLE, void *, SIZE_T, DWORD, DWORD, MEM_EXTENDED_PARAMETER *, ULONG);
static PVOID (WINAPI *pVirtualAllocFromApp)(PVOID, SIZE_T, DWORD, DWORD);
static HANDLE (WINAPI *pOpenFileMappingFromApp)( ULONG, BOOL, LPCWSTR);
static void test_CompareObjectHandles(void)
{
@ -324,6 +325,30 @@ static void test_VirtualAlloc2FromApp(void)
}
}
static void test_OpenFileMappingFromApp(void)
{
HANDLE file, mapping;
if (!pOpenFileMappingFromApp)
{
win_skip("OpenFileMappingFromApp is not available.\n");
return;
}
file = CreateFileMappingA(INVALID_HANDLE_VALUE, NULL, PAGE_EXECUTE_READ, 0, 4090, "foo");
ok(!!file, "Failed to create a mapping.\n");
mapping = pOpenFileMappingFromApp(FILE_MAP_READ, FALSE, L"foo");
ok(!!mapping, "Failed to open a mapping.\n");
CloseHandle(mapping);
mapping = pOpenFileMappingFromApp(FILE_MAP_EXECUTE, FALSE, L"foo");
ok(!!mapping, "Failed to open a mapping.\n");
CloseHandle(mapping);
CloseHandle(file);
}
static void init_funcs(void)
{
HMODULE hmod = GetModuleHandleA("kernelbase.dll");
@ -331,6 +356,7 @@ static void init_funcs(void)
#define X(f) { p##f = (void*)GetProcAddress(hmod, #f); }
X(CompareObjectHandles);
X(MapViewOfFile3);
X(OpenFileMappingFromApp);
X(VirtualAlloc2);
X(VirtualAlloc2FromApp);
X(VirtualAllocFromApp);
@ -346,4 +372,5 @@ START_TEST(process)
test_VirtualAlloc2();
test_VirtualAllocFromApp();
test_VirtualAlloc2FromApp();
test_OpenFileMappingFromApp();
}

1
include/winbase.h
View file

@ -2537,6 +2537,7 @@ WINBASEAPI HFILE WINAPI OpenFile(LPCSTR,OFSTRUCT*,UINT);
WINBASEAPI HANDLE WINAPI OpenFileMappingA(DWORD,BOOL,LPCSTR);
WINBASEAPI HANDLE WINAPI OpenFileMappingW(DWORD,BOOL,LPCWSTR);
#define OpenFileMapping WINELIB_NAME_AW(OpenFileMapping)
WINBASEAPI HANDLE WINAPI OpenFileMappingFromApp(ULONG,BOOL,LPCWSTR);
WINBASEAPI HANDLE WINAPI OpenJobObjectA(DWORD,BOOL,LPCSTR);
WINBASEAPI HANDLE WINAPI OpenJobObjectW(DWORD,BOOL,LPCWSTR);
#define OpenJobObject WINELIB_NAME_AW(OpenJobObject)