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import std.concurrency;
import core.sync.mutex;
import core.thread;
import std.stdio;
__gshared Mutex a;
__gshared Mutex b;
shared static this()
{
a = new Mutex;
b = new Mutex;
}
void badThread()
{
synchronized(a)
{
writeln("a is locked!");
while(1) { Thread.sleep(1.seconds); }
}
}
void main()
{
spawn(&badThread);
Thread.sleep(1.seconds);
synchronized(a, b)
{
writeln("oops!");
}
}