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92b3138b83
Updated dependencies: * GMP 6.2.1 * ISL 0.24 * MPL 1.2.1 * MPFR 4.1.0 The dependencies were pulled in by running the ./contrib/download_prerequisites script and then manually removing the symbolic links and archives, and renaming the directories (i.e mv isl-0.24 to isl)
71 lines
1.3 KiB
D
71 lines
1.3 KiB
D
import core.memory;
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import core.sync.condition;
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import core.sync.mutex;
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import core.thread;
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__gshared Condition g_cond;
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__gshared Mutex g_mutex;
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__gshared int g_step = 0;
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class C
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{
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~this()
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{
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import core.stdc.stdlib;
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abort(); // this gets triggered although the instance always stays referenced
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}
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}
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C c;
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static this()
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{
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c = new C;
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}
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static ~this()
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{
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import core.memory;
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GC.free(cast(void*)c); // free without destruction to avoid triggering abort()
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}
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void test()
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{
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assert(c !is null);
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// notify the main thread of the finished initialization
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synchronized (g_mutex) g_step = 1;
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g_cond.notifyAll();
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// wait until the GC collection is done
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synchronized (g_mutex) {
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while (g_step != 2)
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g_cond.wait();
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}
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}
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void main()
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{
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g_mutex = new Mutex;
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g_cond = new Condition(g_mutex);
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auto th = new Thread(&test);
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th.start();
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// wait for thread to be fully initialized
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synchronized (g_mutex) {
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while (g_step != 1)
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g_cond.wait();
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}
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// this causes the other thread's C instance to be reaped with the bug present
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GC.collect();
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// allow the thread to shut down
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synchronized (g_mutex) g_step = 2;
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g_cond.notifyAll();
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th.join();
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}
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