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check return value of blocking_region_begin().

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blocking_region_begin() can return FALSE if it fails to acquire
GVL, so check it.
This commit is contained in:
Koichi Sasada 2019-07-15 13:52:25 +09:00
parent e4c1b19996
commit 3dc212896c
1 changed files with 2 additions and 1 deletions
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3
thread.c
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@ -1679,7 +1679,8 @@ rb_thread_call_with_gvl(void *(*func)(void *), void *data1)
/* enter to Ruby world: You can access Ruby values, methods and so on. */ /* enter to Ruby world: You can access Ruby values, methods and so on. */
r = (*func)(data1); r = (*func)(data1);
/* leave from Ruby world: You can not access Ruby values, etc. */ /* leave from Ruby world: You can not access Ruby values, etc. */
blocking_region_begin(th, brb, prev_unblock.func, prev_unblock.arg, FALSE); int released = blocking_region_begin(th, brb, prev_unblock.func, prev_unblock.arg, FALSE);
RUBY_ASSERT_ALWAYS(released);
return r; return r;
} }