threadwait.c

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/*
 * Author: Skywing (skywing@valhallalegends.com)
 * Date: 09/09/2003
 * Purpose: Probe for PsUnblockThread crash due to double-acquire spin lock.
 */
 
#define WIN32_NO_STATUS
#include <windows.h>
#include <stdio.h>
 
#define NTOS_MODE_USER
#include <ndk/ntndk.h>
 
DWORD __stdcall threadfunc(void* UNREFERENCED)
{
    printf("Thread: Initialized\n");
    Sleep(2500);
    printf("Thread: Terminating...\n");
    return 0;
}
 
int main(int ac, char **av)
{
    DWORD id;
    HANDLE Thread;
 
    Thread = CreateThread(0, 0, threadfunc, 0, 0, &id);
    printf("Main: ThreadId for new thread is %08lx\n", id);
    printf("Main: Waiting on thread...\n");
    WaitForSingleObject(Thread, INFINITE);
    printf("Main: OK, somebody fixed the PsUnblockThread spinlock double-acquire crash\n");
    NtClose(Thread);
    printf("Main: Terminating...\n");
    return 0;
}