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[Linux] Prevent GC from running during process teardown #57832

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[Linux] Prevent GC from running during process teardown #57832

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4 changes: 4 additions & 0 deletions src/signals-unix.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1033,6 +1033,10 @@ static void *signal_listener(void *arg)
}
#endif
if (doexit) {
// Let's forbid threads from running GC while we're trying to exit,
// also let's make sure we're not in the middle of GC.
jl_atomic_fetch_add(&jl_gc_disable_counter, 1);
jl_safepoint_wait_gc(NULL);
// The exit can get stuck if it happens at an unfortunate spot in thread 0
// (unavoidable due to its async nature).
// Try much harder to exit next time, if we get multiple exit requests.
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