From: Marc-Aurel Zent mzent@codeweavers.com
--- dlls/ntdll/tests/info.c | 175 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 175 insertions(+)
diff --git a/dlls/ntdll/tests/info.c b/dlls/ntdll/tests/info.c index 00190bd24d3..ae52857f23f 100644 --- a/dlls/ntdll/tests/info.c +++ b/dlls/ntdll/tests/info.c @@ -32,6 +32,7 @@ #include "wine/test.h"
static NTSTATUS (WINAPI * pNtQuerySystemInformation)(SYSTEM_INFORMATION_CLASS, PVOID, ULONG, PULONG); +static NTSTATUS (WINAPI * pNtQueryInformationProcess)(HANDLE, PROCESSINFOCLASS, PVOID, ULONG, PULONG); static NTSTATUS (WINAPI * pNtSetSystemInformation)(SYSTEM_INFORMATION_CLASS, PVOID, ULONG); static NTSTATUS (WINAPI * pRtlGetNativeSystemInformation)(SYSTEM_INFORMATION_CLASS, PVOID, ULONG, PULONG); static NTSTATUS (WINAPI * pNtQuerySystemInformationEx)(SYSTEM_INFORMATION_CLASS, void*, ULONG, void*, ULONG, ULONG*); @@ -90,6 +91,7 @@ static void InitFunctionPtrs(void) HMODULE hkernel32 = GetModuleHandleA("kernel32");
NTDLL_GET_PROC(NtQuerySystemInformation); + NTDLL_GET_PROC(NtQueryInformationProcess); NTDLL_GET_PROC(NtQuerySystemInformationEx); NTDLL_GET_PROC(NtSetSystemInformation); NTDLL_GET_PROC(RtlGetNativeSystemInformation); @@ -3263,6 +3265,178 @@ static void test_affinity(void) "Unexpected thread affinity\n" ); }
+static void test_priority(void) +{ + NTSTATUS status; + DWORD proc_priority; + int thread_base_priority, expected_nt_priority; + ULONG nt_thread_priority; + THREAD_BASIC_INFORMATION tbi; + PROCESS_PRIORITY_CLASS ppc; + HANDLE process_handle = GetCurrentProcess(); + HANDLE thread_handle = GetCurrentThread(); + BOOL ret; + + typedef struct _PROCESS_BASIC_INFORMATION_PRIVATE { + NTSTATUS ExitStatus; + PEB *PebBaseAddress; + ULONG_PTR AffinityMask; + LONG BasePriority; + ULONG_PTR UniqueProcessId; + ULONG_PTR InheritedFromUniqueProcessId; + } PROCESS_BASIC_INFORMATION_PRIVATE; + + PROCESS_BASIC_INFORMATION_PRIVATE pbi; + + /* Change process priority class to HIGH_PRIORITY_CLASS and test */ + ret = SetPriorityClass(process_handle, HIGH_PRIORITY_CLASS); + ok(ret, "SetPriorityClass to HIGH_PRIORITY_CLASS failed: %lu\n", GetLastError()); + proc_priority = GetPriorityClass(process_handle); + ok(proc_priority == HIGH_PRIORITY_CLASS, + "Expected HIGH_PRIORITY_CLASS, got %lu\n", proc_priority); + status = pNtQueryInformationProcess( process_handle, ProcessPriorityClass, &ppc, + sizeof(ppc), NULL ); + ok(status == STATUS_SUCCESS, + "NtQueryInformationProcess failed: %08lx\n", status); + ok(ppc.PriorityClass == PROCESS_PRIORITY_CLASS_HIGH, + "Expected PROCESS_PRIORITY_CLASS_HIGH, got %lu\n", proc_priority); + + /* Restore process priority back to normal */ + ret = SetPriorityClass(process_handle, NORMAL_PRIORITY_CLASS); + ok(ret, "Restore SetPriorityClass failed: %lu\n", GetLastError()); + proc_priority = GetPriorityClass(process_handle); + ok(proc_priority == NORMAL_PRIORITY_CLASS, + "Expected NORMAL_PRIORITY_CLASS after restore, got %lu\n", proc_priority); + status = pNtQueryInformationProcess( process_handle, ProcessPriorityClass, &ppc, + sizeof(ppc), NULL ); + ok(status == STATUS_SUCCESS, + "NtQueryInformationProcess failed: %08lx\n", status); + ok(ppc.PriorityClass == PROCESS_PRIORITY_CLASS_NORMAL, + "Expected PROCESS_PRIORITY_CLASS_NORMAL, got %lu\n", proc_priority); + + /* Before checking any thread priorities, disable priority boosting + * in order to make the tests reliable. */ + SetThreadPriorityBoost(thread_handle, TRUE); + + /* Test thread priority: + * Compare the value from GetThreadPriority (thread priority level) + * with the BasePriority from NtQueryInformationThread. */ + thread_base_priority = GetThreadPriority(thread_handle); + ok(thread_base_priority != THREAD_PRIORITY_ERROR_RETURN, + "GetThreadPriority returned error\n"); + + status = pNtQueryInformationThread(thread_handle, ThreadBasicInformation, + &tbi, sizeof(tbi), NULL); + ok(status == STATUS_SUCCESS, + "NtQueryInformationThread failed: %08lx\n", status); + ok(thread_base_priority == (int)tbi.BasePriority, + "Thread priority mismatch: Win32 API returned %d, NT BasePriority is %d\n", + thread_base_priority, (int)tbi.BasePriority); + + /* Change the thread priority to THREAD_PRIORITY_HIGHEST and compare with + * underlying NT priority, which should be now the NORMAL_PRIORITY_CLASS + * base value (8) + THREAD_PRIORITY_HIGHEST (+2) = 10 (without boost). */ + ret = SetThreadPriority(thread_handle, THREAD_PRIORITY_HIGHEST); + ok(ret, "SetThreadPriority(THREAD_PRIORITY_HIGHEST) failed: %lu\n", GetLastError()); + thread_base_priority = GetThreadPriority(thread_handle); + ok(thread_base_priority == THREAD_PRIORITY_HIGHEST, + "Expected THREAD_PRIORITY_HIGHEST (%d), got %d\n", + THREAD_PRIORITY_HIGHEST, thread_base_priority); + + status = pNtQueryInformationThread(thread_handle, ThreadBasicInformation, + &tbi, sizeof(tbi), NULL); + ok(status == STATUS_SUCCESS, + "NtQueryInformationThread failed after setting priority: %08lx\n", status); + ok(thread_base_priority == (int)tbi.BasePriority, + "After setting, API priority (%d) does not match NT BasePriority (%d)\n", + thread_base_priority, (int)tbi.BasePriority); + status = pNtQueryInformationProcess(process_handle, (PROCESSINFOCLASS)ProcessBasicInformation, &pbi, + sizeof(pbi), NULL); + expected_nt_priority = pbi.BasePriority + THREAD_PRIORITY_HIGHEST; + ok(expected_nt_priority == (int)tbi.Priority, + "After setting, effective NT priority (%d) does not match expected priority %d.\n", + (int)tbi.Priority, expected_nt_priority); + + /* Test setting the thread priority to THREAD_PRIORITY_LOWEST now, but using + * pNtSetInformationThread, also testing NT priority directly afterwards. */ + nt_thread_priority = THREAD_PRIORITY_LOWEST; + status = pNtSetInformationThread(thread_handle, ThreadBasePriority, + &nt_thread_priority, sizeof(ULONG)); + ok(status == STATUS_SUCCESS, + "NtSetInformationThread(ThreadBasePriority) failed: %08lx\n", status); + /* Effective thread priority should be now NORMAL_PRIORITY_CLASS base + * value (8) + THREAD_PRIORITY_LOWEST (-2) = 6. */ + status = pNtQueryInformationThread(thread_handle, ThreadBasicInformation, + &tbi, sizeof(tbi), NULL); + ok(status == STATUS_SUCCESS, + "NtQueryInformationThread failed after setting priority: %08lx\n", status); + ok(nt_thread_priority == tbi.BasePriority, + "After setting, BasePriority (%ld) does not match set BasePriority (%d)\n", + nt_thread_priority, (int)tbi.BasePriority); + expected_nt_priority = pbi.BasePriority + THREAD_PRIORITY_LOWEST; + ok(expected_nt_priority == (int)tbi.Priority, + "After setting, effective NT priority (%d) does not match expected priority %d.\n", + (int)tbi.Priority, expected_nt_priority); + /* Now set NT thread priority directly to 12, a value normally impossible to + * reach in NORMAL_PRIORITY_CLASS without boost. */ + nt_thread_priority = 12; + status = pNtSetInformationThread(thread_handle, ThreadPriority, + &nt_thread_priority, sizeof(ULONG)); + ok(status == STATUS_SUCCESS, + "NtSetInformationThread(ThreadPriority) failed: %08lx\n", status); + /* Effective thread priority should be now 12, BasePriority should be + * unchanged. */ + status = pNtQueryInformationThread(thread_handle, ThreadBasicInformation, + &tbi, sizeof(tbi), NULL); + ok(status == STATUS_SUCCESS, + "NtQueryInformationThread failed after setting priority: %08lx\n", status); + ok(THREAD_PRIORITY_LOWEST == tbi.BasePriority, + "After setting, BasePriority (%d) does not match set BasePriority THREAD_PRIORITY_LOWEST.\n", + (int)tbi.BasePriority); + ok(nt_thread_priority == (int)tbi.Priority, + "After setting, effective NT priority (%d) does not match expected priority %lu.\n", + (int)tbi.Priority, nt_thread_priority); + /* Changing process priority recalculates all priorities again and + * overwrites our custom priority of 12. */ + ret = SetPriorityClass(process_handle, BELOW_NORMAL_PRIORITY_CLASS); + ok(ret, "SetPriorityClass to BELOW_NORMAL_PRIORITY_CLASS failed: %lu\n", GetLastError()); + /* Effective thread priority should be now BELOW_NORMAL_PRIORITY_CLASS base + * value (6) + THREAD_PRIORITY_LOWEST (-2) = 4. */ + status = pNtQueryInformationThread(thread_handle, ThreadBasicInformation, + &tbi, sizeof(tbi), NULL); + ok(status == STATUS_SUCCESS, + "NtQueryInformationThread failed after setting priority: %08lx\n", status); + status = pNtQueryInformationProcess(process_handle, (PROCESSINFOCLASS)ProcessBasicInformation, &pbi, + sizeof(pbi), NULL); + expected_nt_priority = pbi.BasePriority + THREAD_PRIORITY_LOWEST; + ok(expected_nt_priority == (int)tbi.Priority, + "After setting, effective NT priority (%d) does not match expected priority %d.\n", + (int)tbi.Priority, expected_nt_priority); + /* Setting an out of range priority above HIGH_PRIORITY (31) or LOW_PRIORITY (0) + * and lower fails. */ + nt_thread_priority = 42; + status = pNtSetInformationThread(thread_handle, ThreadPriority, + &nt_thread_priority, sizeof(ULONG)); + ok(status == STATUS_INVALID_PARAMETER, + "NtSetInformationThread(ThreadPriority) unexpectedly returned %08lx instead of STATUS_INVALID_PARAMETER.\n", status); + nt_thread_priority = 0; /* 0 also fails in addition to negative values. */ + status = pNtSetInformationThread(thread_handle, ThreadPriority, + &nt_thread_priority, sizeof(ULONG)); + ok(status == STATUS_INVALID_PARAMETER, + "NtSetInformationThread(ThreadPriority) unexpectedly returned %08lx instead of STATUS_INVALID_PARAMETER.\n", status); + /* Moving a thread into the realtime band is normally not possible in a non-realtime process. */ + nt_thread_priority = 24; + status = pNtSetInformationThread(thread_handle, ThreadPriority, + &nt_thread_priority, sizeof(ULONG)); + ok(status == STATUS_PRIVILEGE_NOT_HELD, + "NtSetInformationThread(ThreadPriority) unexpectedly returned %08lx instead of STATUS_PRIVILEGE_NOT_HELD.\n", status); + + /* Restore thread priority and boosting behaviour back to normal */ + SetThreadPriorityBoost(thread_handle, FALSE); + ret = SetThreadPriority(thread_handle, THREAD_PRIORITY_NORMAL); + ok(ret, "Restore SetThreadPriority(THREAD_PRIORITY_NORMAL) failed: %lu\n", GetLastError()); +} + static DWORD WINAPI hide_from_debugger_thread(void *arg) { HANDLE stop_event = arg; @@ -4197,6 +4371,7 @@ START_TEST(info) test_ThreadIsTerminated();
test_affinity(); + test_priority(); test_debug_object();
/* belongs to its own file */