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Initialize the driver instance lazily.

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This commit is contained in:
Sönke Ludwig 2018-10-21 20:16:57 +02:00
parent 284d4f43c3
commit 73abd867b4
1 changed files with 16 additions and 7 deletions
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19
source/eventcore/core.d
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@ -7,6 +7,7 @@ import eventcore.drivers.posix.epoll;
import eventcore.drivers.posix.kqueue;
import eventcore.drivers.libasync;
import eventcore.drivers.winapi.driver;
import eventcore.internal.utils : mallocT, freeT;
version (EventcoreEpollDriver) alias NativeEventDriver = EpollEventDriver;
else version (EventcoreKqueueDriver) alias NativeEventDriver = KqueueEventDriver;
@ -19,8 +20,11 @@ else alias NativeEventDriver = EventDriver;
@safe @nogc nothrow {
static if (is(NativeEventDriver == EventDriver))
assert(s_driver !is null, "setupEventDriver() was not called for this thread.");
else
assert(s_driver !is null, "eventcore.core static constructor didn't run!?");
else {
if (!s_driver) {
s_driver = mallocT!NativeEventDriver();
}
}
return s_driver;
}
@ -30,7 +34,6 @@ static if (!is(NativeEventDriver == EventDriver)) {
if (!s_isMainThread) {
if (!s_initCount++) {
assert(s_driver is null);
s_driver = new NativeEventDriver;
}
}
}
@ -38,15 +41,18 @@ static if (!is(NativeEventDriver == EventDriver)) {
static ~this()
{
if (!s_isMainThread) {
if (!--s_initCount)
if (!--s_initCount) {
if (s_driver) {
s_driver.dispose();
freeT(s_driver);
}
}
}
}
shared static this()
{
if (!s_initCount++) {
s_driver = new NativeEventDriver;
s_isMainThread = true;
}
}
@ -54,7 +60,10 @@ static if (!is(NativeEventDriver == EventDriver)) {
shared static ~this()
{
if (!--s_initCount) {
if (s_driver) {
s_driver.dispose();
freeT(s_driver);
}
}
}
} else {