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#include "StdAfx.h" |
#include "StdAfx.h" |
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#include ".\thread_pool.h" |
#include ".\thread_pool.h" |
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|
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thread_pool::thread_pool(UINT uThreadMax, double thread_timeout) |
thread_pool::thread_pool(UINT uThreadMax) |
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{ |
{ |
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UINT i; |
UINT i; |
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|
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this->uLastErrorCode = E_NOERROR; |
this->uLastErrorCode = E_NOERROR; |
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this->uThreadCount = 0; |
this->uThreadCount = 0; |
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this->uThreadMax = uThreadMax; |
this->uThreadMax = uThreadMax; |
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this->thread_timeout = thread_timeout; |
this->hThreadKiller = NULL; |
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|
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if (this->uThreadMax > TS_MAX_THREAD) |
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{ |
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this->uThreadMax = 0; |
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this->uLastErrorCode = E_MAX_THREAD_EXCEEDED; |
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} |
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for (i=0; i < this->uThreadMax; i++) |
for (i=0; i < this->uThreadMax; i++) |
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{ |
{ |
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this->hThreadList[i] = NULL; |
this->hThreadList[i] = NULL; |
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this->uThreadStatusList[i] = S_UNUSED; |
this->uThreadStatusList[i] = S_UNUSED; |
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this->time_status_keep[i] = 0; |
this->time_status_set[i] = clock(); |
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} |
} |
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|
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this->SetLock(false); |
this->SetLock(false); |
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this->EnableKillDeadThread(); |
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} |
} |
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thread_pool::~thread_pool(void) |
thread_pool::~thread_pool(void) |
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{ |
{ |
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this->DisableKillDeadThread(); |
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} |
} |
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int thread_pool::AddThread(HANDLE hThread) |
int thread_pool::AddThread(HANDLE hThread, clock_t thread_timeout) |
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{ |
{ |
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UINT i; |
UINT i; |
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|
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if (this->SetLock(true) == 0) |
if (this->SetLock(true) != 0) |
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{ |
{ |
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return this->uLastErrorCode; |
return this->uLastErrorCode; |
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} |
} |
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return E_MAX_THREAD_EXCEEDED; |
return E_MAX_THREAD_EXCEEDED; |
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} |
} |
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if (thread_timeout < 0) |
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{ |
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this->uLastErrorCode = E_INVALID_TIMEOUT; |
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return E_INVALID_TIMEOUT; |
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} |
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for (i=0; i < this->uThreadMax; i++) |
for (i=0; i < this->uThreadMax; i++) |
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{ |
{ |
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if (this->uThreadStatusList[i] == S_UNUSED) |
if (this->uThreadStatusList[i] == S_UNUSED) |
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{ |
{ |
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this->hThreadList[i] = hThread; |
this->hThreadList[i] = hThread; |
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this->uThreadStatusList[i] = S_WAITING; |
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this->thread_timeout[i] = thread_timeout; |
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this->time_status_set[i] = clock(); |
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this->uThreadCount++; |
this->uThreadCount++; |
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this->SetLock(false); |
this->SetLock(false); |
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this->uLastErrorCode = E_NOERROR; |
this->uLastErrorCode = E_NOERROR; |
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return E_MAX_THREAD_EXCEEDED; |
return E_MAX_THREAD_EXCEEDED; |
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} |
} |
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int thread_pool::SetLock(bool bLock, time_t tTimeout) |
int thread_pool::SetLock(bool bLock, clock_t tTimeout) |
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{ |
{ |
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time_t wait = 0; |
clock_t wait = 0; |
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if (!bLock) // Free lock |
if (!bLock) // Free lock |
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{ |
{ |
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return E_NOERROR; |
return E_NOERROR; |
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} |
} |
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UINT thread_pool::GetLastError(void) |
int thread_pool::GetLastError(void) const |
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{ |
{ |
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return this->uLastErrorCode; |
return this->uLastErrorCode; |
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} |
} |
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{ |
{ |
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UINT i; |
UINT i; |
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|
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if (this->SetLock(true) == 0) |
if (this->SetLock(true) != 0) |
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{ |
{ |
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return this->uLastErrorCode; |
return this->uLastErrorCode; |
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} |
} |
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} |
} |
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int thread_pool::SetThreadStatus(HANDLE hThread, UINT uStatus) |
int thread_pool::SetThreadStatus(HANDLE hThread, int uStatus) |
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{ |
{ |
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UINTT i; |
UINTT i; |
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|
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if (this->SetLock(true) == 0) |
if (this->SetLock(true) != 0) |
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{ |
{ |
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return this->uLastErrorCode; |
return this->uLastErrorCode; |
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} |
} |
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if (this->hThreadList[i] == hThread) |
if (this->hThreadList[i] == hThread) |
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{ |
{ |
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this->uThreadStatusList[i] = (thread_status)uStatus; |
this->uThreadStatusList[i] = (thread_status)uStatus; |
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this->time_status_set[i] = clock(); |
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this->SetLock(false); |
this->SetLock(false); |
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this->uLastErrorCode = E_NOERROR; |
this->uLastErrorCode = E_NOERROR; |
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return this->uLastErrorCode; |
return this->uLastErrorCode; |
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return E_THREAD_NOT_FOUND; |
return E_THREAD_NOT_FOUND; |
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} |
} |
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|
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UINT thread_pool::GetThreadStatus(HANDLE hThread) |
int thread_pool::GetThreadStatus(HANDLE hThread) |
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{ |
{ |
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UINT i; |
UINT i; |
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|
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this->uLastErrorCode = E_THREAD_NOT_FOUND; |
this->uLastErrorCode = E_THREAD_NOT_FOUND; |
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return S_UNKNOWN; |
return S_UNKNOWN; |
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} |
} |
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DWORD thread_pool::KillDeadThread(LPVOID pParam) |
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{ |
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thread_pool *p; |
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UINT i; |
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int t_count = 0; |
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p = (thread_pool*)pParam; |
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while(!p->bTerminateThreadKiller) |
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{ |
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if (t_count>=100) |
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{ |
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t_count=0; |
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if (p->SetLock(true) == 0) |
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{ |
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for (i=0; i < p->uThreadMax; i++) |
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{ |
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if ((p->hThreadList[i] != NULL) && |
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(p->uThreadStatusList[i] == S_WORKING) && |
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(clock() - p->time_status_set[i] > p->thread_timeout[i])) |
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{ |
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if (TerminateThread(p->hThreadList[i],-1)) |
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{ |
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syslog << logfile::log_head << "Terminate dead thread ... OK" << endl; |
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} |
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else |
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{ |
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syslog << logfile::log_head << "Terminate dead thread ... Failed" << endl; |
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} |
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p->hThreadList[i] = NULL; |
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p->uThreadStatusList[i] = S_UNUSED; |
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p->time_status_set[i] = clock(); |
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p->uThreadCount--; |
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} |
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} |
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} |
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p->SetLock(false); |
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} |
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Sleep(100); |
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t_count++; |
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} |
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return (E_NOERROR); |
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} |
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int thread_pool::GetThreadCount(void) const |
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{ |
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return this->uThreadCount; |
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} |
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int thread_pool::EnableKillDeadThread(void) |
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{ |
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HANDLE hThreadCurrent; |
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ULONG ulThreadId; |
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this->bTerminateThreadKiller = false; |
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if (hThreadCurrent = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)thread_pool::KillDeadThread,(LPVOID)this,0,&ulThreadId)) |
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{ |
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this->hThreadKiller = hThreadCurrent; |
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syslog << logfile::log_head << "Create killer thread ... OK" << endl; |
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} |
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else |
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{ |
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syslog << logfile::log_head << "Create killer thread ... Failed" << endl; |
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return -1; |
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} |
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return 0; |
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} |
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int thread_pool::DisableKillDeadThread(void) |
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{ |
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bTerminateThreadKiller = true; |
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Sleep(1000); |
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if (!bTerminateThreadKiller) |
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{ |
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syslog << logfile::log_head << "Terminate killer thread ... OK" << endl; |
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} |
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|
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if (bTerminateThreadKiller && this->hThreadKiller) |
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{ |
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if (TerminateThread(this->hThreadKiller,0)) |
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{ |
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this->hThreadKiller = NULL; |
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syslog << logfile::log_head << "Terminate killer thread ... OK" << endl; |
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} |
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else |
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{ |
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syslog << logfile::log_head << "Terminate killer thread ... Failed" << endl; |
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return -1; |
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} |
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} |
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return 0; |
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} |