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introduce rb_ractor_atfork()

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to reset main ractor at fork().
This commit is contained in:
Koichi Sasada 2020-12-24 04:29:59 +09:00
parent 7fcb6b3dbe
commit 7340e7f827
3 changed files with 22 additions and 5 deletions
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18
ractor.c
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@ -1477,6 +1477,24 @@ rb_ractor_main_alloc(void)
return r;
}
#if defined(HAVE_WORKING_FORK)
void
rb_ractor_atfork(rb_vm_t *vm, rb_thread_t *th)
{
// initialize as a main ractor
vm->ractor.cnt = 0;
vm->ractor.blocking_cnt = 0;
ruby_single_main_ractor = th->ractor;
th->ractor->status_ = ractor_created;
rb_ractor_living_threads_init(th->ractor);
rb_ractor_living_threads_insert(th->ractor, th);
VM_ASSERT(vm->ractor.blocking_cnt == 0);
VM_ASSERT(vm->ractor.cnt == 1);
}
#endif
void rb_gvl_init(rb_global_vm_lock_t *gvl);
void