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check flags passed to rb_nogvl()

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RB_NOGVL_UBF_ASYNC_SAFE is wrongly specified because flags
is not checked.
[Bug #15499] 23444302

(cherry picked from commit ff98931dac)
This commit is contained in:
Koichi Sasada 2020-03-26 01:16:50 +09:00 • committed by NARUSE, Yui
parent 2a3027b7b5
commit e4efca87ba
1 changed files with 1 additions and 1 deletions
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2
thread.c
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@ -1464,7 +1464,7 @@ rb_nogvl(void *(*func)(void *), void *data1,
data2 = th; data2 = th;
} }
else if (ubf && vm_living_thread_num(th->vm) == 1) { else if (ubf && vm_living_thread_num(th->vm) == 1) {
if (RB_NOGVL_UBF_ASYNC_SAFE) { if (flags & RB_NOGVL_UBF_ASYNC_SAFE) {
th->vm->ubf_async_safe = 1; th->vm->ubf_async_safe = 1;
} }
else { else {