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clean up OS resources immediately upon thread exit

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Previously, we waited until the next GC to do this, but that can be
too long for workloads which create a lot of short-lived threads but
don't do much allocation.
This commit is contained in:
Joel Dice 2010-11-09 15:46:16 -07:00
parent 44f55673d6
commit f64d6c857b
2 changed files with 19 additions and 3 deletions
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16
src/machine.cpp
View File

@ -45,7 +45,11 @@ void
join(Thread* t, Thread* o)
{
if (t != o) {
o->systemThread->join();
if (o->state != Thread::ZombieState
and o->state != Thread::JoinedState)
{
o->systemThread->join();
}
o->state = Thread::JoinedState;
}
}
@ -2281,6 +2285,12 @@ Thread::exit()
} else {
threadPeer(this, javaThread) = 0;
enter(this, Thread::ZombieState);
lock->dispose();
lock = 0;
systemThread->dispose();
systemThread = 0;
}
}
}
@ -2288,7 +2298,9 @@ Thread::exit()
void
Thread::dispose()
{
lock->dispose();
if (lock) {
lock->dispose();
}
if (systemThread) {
systemThread->dispose();

6
src/machine.h
View File

@ -2746,7 +2746,11 @@ notifyAll(Thread* t, object o)
inline void
interrupt(Thread*, Thread* target)
{
target->systemThread->interrupt();
if (target->state != Thread::ZombieState
and target->state != Thread::JoinedState)
{
target->systemThread->interrupt();
}
}
inline void