Commit e85ae1fe authored by Howard Chu's avatar Howard Chu
Browse files

ITS#8324 More for Win32 NTDLL junk

Use GetProcAddress at runtime, avoid buildtime NTDLL link issues
parent 55fcd0cf
......@@ -24,8 +24,8 @@ W = -W -Wall -Wno-unused-parameter -Wbad-function-cast -Wuninitialized
THREADS = -pthread
OPT = -O2 -g
CFLAGS = $(THREADS) $(OPT) $(W) $(XCFLAGS)
LDLIBS = # -lntdll # Windows needs ntdll
SOLIBS = # -lntdll
LDLIBS =
SOLIBS =
SOEXT = .so
prefix = /usr/local
exec_prefix = $(prefix)
......
......@@ -48,29 +48,35 @@
* the full size. These APIs are defined in <wdm.h> and <ntifs.h>
* but those headers are meant for driver-level development and
* conflict with the regular user-level headers, so we explicitly
* declare them here. Using these APIs also means we must link to
* ntdll.dll, which is not linked by default in user code.
* declare them here. We get pointers to these functions from
* NTDLL.DLL at runtime, to avoid buildtime dependencies on any
* NTDLL import libraries.
*/
NTSTATUS WINAPI
NtCreateSection(OUT PHANDLE sh, IN ACCESS_MASK acc,
typedef NTSTATUS WINAPI (NtCreateSectionFunc)
(OUT PHANDLE sh, IN ACCESS_MASK acc,
IN void * oa OPTIONAL,
IN PLARGE_INTEGER ms OPTIONAL,
IN ULONG pp, IN ULONG aa, IN HANDLE fh OPTIONAL);
static NtCreateSectionFunc *NtCreateSection;
typedef enum _SECTION_INHERIT {
ViewShare = 1,
ViewUnmap = 2
} SECTION_INHERIT;
NTSTATUS WINAPI
NtMapViewOfSection(IN PHANDLE sh, IN HANDLE ph,
typedef NTSTATUS WINAPI (NtMapViewOfSectionFunc)
(IN PHANDLE sh, IN HANDLE ph,
IN OUT PVOID *addr, IN ULONG_PTR zbits,
IN SIZE_T cs, IN OUT PLARGE_INTEGER off OPTIONAL,
IN OUT PSIZE_T vs, IN SECTION_INHERIT ih,
IN ULONG at, IN ULONG pp);
NTSTATUS WINAPI
NtClose(HANDLE h);
static NtMapViewOfSectionFunc *NtMapViewOfSection;
typedef NTSTATUS WINAPI (NtCloseFunc)(HANDLE h);
static NtCloseFunc *NtClose;
/** getpid() returns int; MinGW defines pid_t but MinGW64 typedefs it
* as int64 which is wrong. MSVC doesn't define it at all, so just
......@@ -4690,6 +4696,21 @@ mdb_env_open2(MDB_env *env, int prev)
env->me_pidquery = MDB_PROCESS_QUERY_LIMITED_INFORMATION;
else
env->me_pidquery = PROCESS_QUERY_INFORMATION;
/* Grab functions we need from NTDLL */
if (!NtCreateSection) {
HMODULE h = GetModuleHandle("NTDLL.DLL");
if (!h)
return MDB_PROBLEM;
NtClose = (NtCloseFunc *)GetProcAddress(h, "NtClose");
if (!NtClose)
return MDB_PROBLEM;
NtMapViewOfSection = (NtMapViewOfSectionFunc *)GetProcAddress(h, "NtMapViewOfSection");
if (!NtMapViewOfSection)
return MDB_PROBLEM;
NtCreateSection = (NtCreateSectionFunc *)GetProcAddress(h, "NtCreateSection");
if (!NtCreateSection)
return MDB_PROBLEM;
}
#endif /* _WIN32 */
#ifdef BROKEN_FDATASYNC
......
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