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barrier
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changed un-inlined code to avoid bogus VC++ level 4 warnings. 

added support for more win32 thread priorities.
This commit is contained in:
crs 2002-05-22 16:55:05 +00:00
parent cda243ac76
commit 024f76c909
3 changed files with 30 additions and 3 deletions
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15
mt/CThread.cpp
View File

@ -117,3 +117,18 @@ bool CThread::operator!=(const CThread& thread) const
{ {
return (m_rep != thread.m_rep); return (m_rep != thread.m_rep);
} }
//
// CThreadMaskCancel
//
CThreadMaskCancel::CThreadMaskCancel() : m_old(CThread::enableCancel(false))
{
// do nothing
}
CThreadMaskCancel::~CThreadMaskCancel()
{
CThread::enableCancel(m_old);
}

4
mt/CThread.h
View File

@ -125,8 +125,8 @@ private:
// disables cancellation in the c'tor and enables it in the d'tor. // disables cancellation in the c'tor and enables it in the d'tor.
class CThreadMaskCancel { class CThreadMaskCancel {
public: public:
CThreadMaskCancel() : m_old(CThread::enableCancel(false)) { } CThreadMaskCancel();
~CThreadMaskCancel() { CThread::enableCancel(m_old); } ~CThreadMaskCancel();
private: private:
bool m_old; bool m_old;

12
mt/CThreadRep.cpp
View File

@ -534,11 +534,22 @@ bool CThreadRep::wait(CThreadRep* target, double timeout)
void CThreadRep::setPriority(int n) void CThreadRep::setPriority(int n)
{ {
DWORD pClass = NORMAL_PRIORITY_CLASS;
if (n < 0) { if (n < 0) {
switch (-n) { switch (-n) {
case 1: n = THREAD_PRIORITY_ABOVE_NORMAL; break; case 1: n = THREAD_PRIORITY_ABOVE_NORMAL; break;
case 2: n = THREAD_PRIORITY_HIGHEST; break;
default:
pClass = HIGH_PRIORITY_CLASS;
switch (-n - 3) {
case 0: n = THREAD_PRIORITY_LOWEST; break;
case 1: n = THREAD_PRIORITY_BELOW_NORMAL; break;
case 2: n = THREAD_PRIORITY_NORMAL; break;
case 3: n = THREAD_PRIORITY_ABOVE_NORMAL; break;
default: n = THREAD_PRIORITY_HIGHEST; break; default: n = THREAD_PRIORITY_HIGHEST; break;
} }
break;
}
} }
else { else {
switch (n) { switch (n) {
@ -548,6 +559,7 @@ void CThreadRep::setPriority(int n)
default: n = THREAD_PRIORITY_IDLE; break; default: n = THREAD_PRIORITY_IDLE; break;
} }
} }
SetPriorityClass(m_thread, pClass);
SetThreadPriority(m_thread, n); SetThreadPriority(m_thread, n);
} }