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creating shared memory mutex in dll

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This commit is contained in:
Casey Bodley 2010-10-12 09:56:28 -04:00
parent 86c16a7197
commit 88c28ec995
2 changed files with 2 additions and 26 deletions
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23
daemon/nfs41_daemon.c
View file

@ -44,19 +44,6 @@ typedef struct _nfs41_process_thread {
uint32_t tid; uint32_t tid;
} nfs41_process_thread; } nfs41_process_thread;
DWORD InitSharedMemory(
OUT PHANDLE phMutex)
{
DWORD status = NO_ERROR;
*phMutex = CreateMutex(NULL, FALSE, TEXT(NFS41NP_MUTEX_NAME));
if (*phMutex == NULL) {
status = GetLastError();
eprintf("CreateMutex failed with %d\n", status);
}
return status;
}
static unsigned int WINAPI thread_main(void *args) static unsigned int WINAPI thread_main(void *args)
{ {
DWORD status = 0; DWORD status = 0;
@ -147,8 +134,6 @@ write_downcall:
void __cdecl _tmain(int argc, TCHAR *argv[]) void __cdecl _tmain(int argc, TCHAR *argv[])
{ {
DWORD status = 0, len; DWORD status = 0, len;
// handles related to shared memory
HANDLE hSharedMemoryMutex;
// handle to our drivers // handle to our drivers
HANDLE pipe; HANDLE pipe;
nfs41_process_thread tids[MAX_NUM_THREADS]; nfs41_process_thread tids[MAX_NUM_THREADS];
@ -181,10 +166,6 @@ void __cdecl _tmain(int argc, TCHAR *argv[])
return; return;
} }
status = InitSharedMemory(&hSharedMemoryMutex);
if (status)
goto quit_pipe;
dprintf(1, "starting nfs41 mini redirector\n"); dprintf(1, "starting nfs41 mini redirector\n");
status = DeviceIoControl(pipe, IOCTL_NFS41_START, status = DeviceIoControl(pipe, IOCTL_NFS41_START,
NULL, 0, NULL, 0, (LPDWORD)&len, NULL); NULL, 0, NULL, 0, (LPDWORD)&len, NULL);
@ -200,7 +181,7 @@ void __cdecl _tmain(int argc, TCHAR *argv[])
if (tids[i].handle == INVALID_HANDLE_VALUE) { if (tids[i].handle == INVALID_HANDLE_VALUE) {
status = GetLastError(); status = GetLastError();
eprintf("_beginthreadex failed %d\n", status); eprintf("_beginthreadex failed %d\n", status);
goto quit_pipe; goto quit;
} }
} }
//This can be changed to waiting on an array of handles and using waitformultipleobjects //This can be changed to waiting on an array of handles and using waitformultipleobjects
@ -210,8 +191,6 @@ void __cdecl _tmain(int argc, TCHAR *argv[])
dprintf(1, "Parent woke up!!!!\n"); dprintf(1, "Parent woke up!!!!\n");
quit: quit:
CloseHandle(hSharedMemoryMutex);
quit_pipe:
CloseHandle(pipe); CloseHandle(pipe);
return; return;
} }

5
dll/nfs41_np.c
View file

@ -95,10 +95,7 @@ Return Value:
*phMemory = 0; *phMemory = 0;
*pMemory = NULL; *pMemory = NULL;
*phMutex = OpenMutex(SYNCHRONIZE, *phMutex = CreateMutex(NULL, FALSE, TEXT(NFS41NP_MUTEX_NAME));
FALSE,
TEXT(NFS41NP_MUTEX_NAME));
if (*phMutex == NULL) if (*phMutex == NULL)
{ {
dwStatus = GetLastError(); dwStatus = GetLastError();