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66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/*
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* Author: Skywing (skywing@valhallalegends.com)
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* Date: 09/09/2003
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* Purpose: Test Thread-EventPair functionality.
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*/
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#include <windows.h>
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#include <stdio.h>
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#include <ddk/ntddk.h>
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#ifndef NTAPI
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#define NTAPI WINAPI
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#endif
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HANDLE MakeEventPair()
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{
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NTSTATUS Status;
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HANDLE EventPair;
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OBJECT_ATTRIBUTES Attributes;
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InitializeObjectAttributes(&Attributes, NULL, 0, NULL, NULL);
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Status = NtCreateEventPair(&EventPair, STANDARD_RIGHTS_ALL, &Attributes);
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printf("Status %08lx creating eventpair\n", Status);
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return EventPair;
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}
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DWORD __stdcall threadfunc(void* eventpair)
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{
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printf("Thread: Set eventpair status %08lx\n", NtSetInformationThread(NtCurrentThread(), ThreadEventPair, &eventpair, sizeof(HANDLE)));
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Sleep(2500);
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printf("Thread: Setting low and waiting high...\n");
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printf("Thread: status = %08lx\n", NtSetLowWaitHighThread());
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printf("Thread: status = %08lx\n", NtSetHighWaitLowThread());
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printf("Thread: Terminating...\n");
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return 0;
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}
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int main(int ac, char **av)
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{
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DWORD id;
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HANDLE EventPair, Thread;
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printf("Main: NtSetLowWaitHighThread is at %08lx\n", NtSetLowWaitHighThread());
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EventPair = MakeEventPair();
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if(!EventPair) {
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printf("Main: Could not create event pair.\n");
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return 0;
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}
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printf("Main: EventPair = %08lx\n", (DWORD)EventPair);
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Thread = CreateThread(0, 0, threadfunc, EventPair, 0, &id);
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printf("Main: ThreadId for new thread is %08lx\n", id);
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printf("Main: Setting high and waiting low\n");
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printf("Main: status = %08lx\n", NtSetHighWaitLowEventPair(EventPair));
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Sleep(2500);
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printf("Main: status = %08lx\n", NtSetLowWaitHighEventPair(EventPair));
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NtClose(EventPair);
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/* WaitForSingleObject(Thread, INFINITE); FIXME: Waiting on thread handle causes double spinlock acquisition (and subsequent crash) in PsUnblockThread - ntoskrnl/ps/thread.c */
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NtClose(Thread);
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printf("Main: Terminating...\n");
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return 0;
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}
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