diff options
Diffstat (limited to 'psutil/arch/windows/global.c')
| -rw-r--r-- | psutil/arch/windows/global.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/psutil/arch/windows/global.c b/psutil/arch/windows/global.c index 9ef92092..4d8526e3 100644 --- a/psutil/arch/windows/global.c +++ b/psutil/arch/windows/global.c @@ -18,6 +18,14 @@ int PSUTIL_WINVER; SYSTEM_INFO PSUTIL_SYSTEM_INFO; +#define NT_FACILITY_MASK 0xfff +#define NT_FACILITY_SHIFT 16 +#define NT_FACILITY(Status) \ + ((((ULONG)(Status)) >> NT_FACILITY_SHIFT) & NT_FACILITY_MASK) +#define NT_NTWIN32(status) (NT_FACILITY(Status) == FACILITY_WIN32) +#define WIN32_FROM_NTSTATUS(Status) (((ULONG)(Status)) & 0xffff) + + // A wrapper around GetModuleHandle and GetProcAddress. PVOID psutil_GetProcAddress(LPCSTR libname, LPCSTR procname) { @@ -60,6 +68,26 @@ psutil_GetProcAddressFromLib(LPCSTR libname, LPCSTR procname) { } +/* + * Convert a NTSTATUS value to a Win32 error code and set the proper + * Python exception. + */ +PVOID +psutil_SetFromNTStatusErr(NTSTATUS Status, const char *syscall) { + ULONG err; + char fullmsg[1024]; + + if (NT_NTWIN32(Status)) + err = WIN32_FROM_NTSTATUS(Status); + else + err = psutil_RtlNtStatusToDosErrorNoTeb(Status); + // if (GetLastError() != 0) + // err = GetLastError(); + sprintf(fullmsg, "(originated from %s)", syscall); + return PyErr_SetFromWindowsErrWithFilename(err, fullmsg); +} + + static int psutil_loadlibs() { /* @@ -127,6 +155,11 @@ psutil_loadlibs() { if (! psutil_NtQueryVirtualMemory) return 1; + psutil_RtlNtStatusToDosErrorNoTeb = psutil_GetProcAddressFromLib( + "ntdll", "RtlNtStatusToDosErrorNoTeb"); + if (! psutil_RtlNtStatusToDosErrorNoTeb) + return 1; + /* * Optional. */ |