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mgs: pause without catching the game thread inside printf #9

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Merged
finger563 merged 1 commit into from
Oct 24, 2026
Merged

mgs: pause without catching the game thread inside printf #9

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8 changes: 8 additions & 0 deletions components/mgs/src/mgs.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -171,7 +171,15 @@ void freeze() {
if (!(mts_active_task_800C0DB0 == MTS_TASK_IDLE && psyz_critical_depth == 0)) {
wait_for_idle(200);
}
// the running thread is suspended wherever it is: holding stdout's and
// stderr's locks meanwhile keeps that from being inside printf (the game
// prints a lot while it boots), where it would keep the lock and the next
// log line from any other task would wait forever
flockfile(stdout);
flockfile(stderr);
Mgs_ThreadsPause();
funlockfile(stderr);
funlockfile(stdout);
if (mts_active_task_800C0DB0 != MTS_TASK_IDLE) {
logger.warn("frozen with mts task {} active (not idle)", mts_active_task_800C0DB0);
}
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