bug: shutdown `jni_api::TOKIO_RUNTIME` on exit

[wForget]

Describe the bug

I occasionally encounter JVM hangs when running benchmarks locally. I've identified some non-daemon Java threads, which might be tokio runtime worker threads attached to the JVM.

jstack.log:

"Thread-17" #205 prio=5 os_prio=31 cpu=61330.26ms elapsed=785.90s tid=0x00000007eeb59800 nid=0x14e03 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Thread-18" #206 prio=5 os_prio=31 cpu=60816.99ms elapsed=785.90s tid=0x00000007eeb58c00 nid=0x10b03 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Thread-19" #207 prio=5 os_prio=31 cpu=61118.53ms elapsed=785.90s tid=0x00000007eeb58600 nid=0x10a03 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Thread-20" #208 prio=5 os_prio=31 cpu=61453.10ms elapsed=785.90s tid=0x00000007eeb59200 nid=0x10c03 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

sample.txt:

    3600 Thread_4540969: tokio-rt-worker
    + 3600 thread_start  (in libsystem_pthread.dylib) + 8  [0x184d84c1c]
    +   3600 _pthread_start  (in libsystem_pthread.dylib) + 136  [0x184d89c58]
    +     3600 _RNvNvMs0_NtNtNtCsaLOjE9VYtxK_3std3sys6thread4unixNtB7_6Thread3new12thread_start  (in libcomet-10312534928326113772.dylib) + 408  [0x13bbf2020]
    +       3600 core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::h6be6a551dd5ca5c3  (in libcomet-10312534928326113772.dylib) + 76  [0x13b10bdf4]
    +         3600 std::sys::backtrace::__rust_begin_short_backtrace::hcee216148fc0f6e3  (in libcomet-10312534928326113772.dylib) + 584  [0x13b10aee8]
    +           3600 tokio::runtime::task::raw::poll::he4ba3e1a70e3b5b6  (in libcomet-10312534928326113772.dylib) + 440  [0x13b11d080]
    +             3600 tokio::runtime::scheduler::multi_thread::worker::run::h0a3e57d507e45651  (in libcomet-10312534928326113772.dylib) + 4092  [0x13b1276a4]
    +               3600 tokio::runtime::scheduler::multi_thread::worker::Context::park_internal::hd55bed5b56ca7137  (in libcomet-10312534928326113772.dylib) + 236  [0x13b128800]
    +                 3600 tokio::runtime::time::Driver::park_internal::h43326194bcf2d527  (in libcomet-10312534928326113772.dylib) + 676  [0x13b1208cc]
    +                   3600 tokio::runtime::io::driver::Driver::turn::h57d24de64565a0a9  (in libcomet-10312534928326113772.dylib) + 392  [0x13b11a0ac]
    +                     3600 mio::poll::Poll::poll::hf5c244c71fcac8f5  (in libcomet-10312534928326113772.dylib) + 116  [0x13b12fdb8]
    +                       3600 kevent  (in libsystem_kernel.dylib) + 8  [0x184d4bfc4]
    3600 Thread_4540970: tokio-rt-worker
    + 3600 thread_start  (in libsystem_pthread.dylib) + 8  [0x184d84c1c]
    +   3600 _pthread_start  (in libsystem_pthread.dylib) + 136  [0x184d89c58]
    +     3600 _RNvNvMs0_NtNtNtCsaLOjE9VYtxK_3std3sys6thread4unixNtB7_6Thread3new12thread_start  (in libcomet-10312534928326113772.dylib) + 408  [0x13bbf2020]
    +       3600 core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::h6be6a551dd5ca5c3  (in libcomet-10312534928326113772.dylib) + 76  [0x13b10bdf4]
    +         3600 std::sys::backtrace::__rust_begin_short_backtrace::hcee216148fc0f6e3  (in libcomet-10312534928326113772.dylib) + 584  [0x13b10aee8]
    +           3600 tokio::runtime::task::raw::poll::he4ba3e1a70e3b5b6  (in libcomet-10312534928326113772.dylib) + 440  [0x13b11d080]
    +             3600 tokio::runtime::scheduler::multi_thread::worker::run::h0a3e57d507e45651  (in libcomet-10312534928326113772.dylib) + 4092  [0x13b1276a4]
    +               3600 tokio::runtime::scheduler::multi_thread::worker::Context::park_internal::hd55bed5b56ca7137  (in libcomet-10312534928326113772.dylib) + 428  [0x13b1288c0]
    +                 3600 tokio::runtime::scheduler::multi_thread::park::Inner::park_condvar::hd7068c61b246bc1c  (in libcomet-10312534928326113772.dylib) + 320  [0x13b125e30]
    +                   3600 _pthread_cond_wait  (in libsystem_pthread.dylib) + 980  [0x184d8a128]
    +                     3600 __psynch_cvwait  (in libsystem_kernel.dylib) + 8  [0x184d4950c]
    3600 Thread_4540971: tokio-rt-worker
    + 3600 thread_start  (in libsystem_pthread.dylib) + 8  [0x184d84c1c]
    +   3600 _pthread_start  (in libsystem_pthread.dylib) + 136  [0x184d89c58]
    +     3600 _RNvNvMs0_NtNtNtCsaLOjE9VYtxK_3std3sys6thread4unixNtB7_6Thread3new12thread_start  (in libcomet-10312534928326113772.dylib) + 408  [0x13bbf2020]
    +       3600 core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::h6be6a551dd5ca5c3  (in libcomet-10312534928326113772.dylib) + 76  [0x13b10bdf4]
    +         3600 std::sys::backtrace::__rust_begin_short_backtrace::hcee216148fc0f6e3  (in libcomet-10312534928326113772.dylib) + 584  [0x13b10aee8]
    +           3600 tokio::runtime::task::raw::poll::he4ba3e1a70e3b5b6  (in libcomet-10312534928326113772.dylib) + 440  [0x13b11d080]
    +             3600 tokio::runtime::scheduler::multi_thread::worker::run::h0a3e57d507e45651  (in libcomet-10312534928326113772.dylib) + 4092  [0x13b1276a4]
    +               3600 tokio::runtime::scheduler::multi_thread::worker::Context::park_internal::hd55bed5b56ca7137  (in libcomet-10312534928326113772.dylib) + 428  [0x13b1288c0]
    +                 3600 tokio::runtime::scheduler::multi_thread::park::Inner::park_condvar::hd7068c61b246bc1c  (in libcomet-10312534928326113772.dylib) + 320  [0x13b125e30]
    +                   3600 _pthread_cond_wait  (in libsystem_pthread.dylib) + 980  [0x184d8a128]
    +                     3600 __psynch_cvwait  (in libsystem_kernel.dylib) + 8  [0x184d4950c]
    3600 Thread_4540972: tokio-rt-worker
    + 3600 thread_start  (in libsystem_pthread.dylib) + 8  [0x184d84c1c]
    +   3600 _pthread_start  (in libsystem_pthread.dylib) + 136  [0x184d89c58]
    +     3600 _RNvNvMs0_NtNtNtCsaLOjE9VYtxK_3std3sys6thread4unixNtB7_6Thread3new12thread_start  (in libcomet-10312534928326113772.dylib) + 408  [0x13bbf2020]
    +       3600 core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::h6be6a551dd5ca5c3  (in libcomet-10312534928326113772.dylib) + 76  [0x13b10bdf4]
    +         3600 std::sys::backtrace::__rust_begin_short_backtrace::hcee216148fc0f6e3  (in libcomet-10312534928326113772.dylib) + 584  [0x13b10aee8]
    +           3600 tokio::runtime::task::raw::poll::he4ba3e1a70e3b5b6  (in libcomet-10312534928326113772.dylib) + 440  [0x13b11d080]
    +             3600 tokio::runtime::scheduler::multi_thread::worker::run::h0a3e57d507e45651  (in libcomet-10312534928326113772.dylib) + 4092  [0x13b1276a4]
    +               3600 tokio::runtime::scheduler::multi_thread::worker::Context::park_internal::hd55bed5b56ca7137  (in libcomet-10312534928326113772.dylib) + 428  [0x13b1288c0]
    +                 3600 tokio::runtime::scheduler::multi_thread::park::Inner::park_condvar::hd7068c61b246bc1c  (in libcomet-10312534928326113772.dylib) + 320  [0x13b125e30]
    +                   3600 _pthread_cond_wait  (in libsystem_pthread.dylib) + 980  [0x184d8a128]
    +                     3600 __psynch_cvwait  (in libsystem_kernel.dylib) + 8  [0x184d4950c]

Steps to reproduce

No response

Expected behavior

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Additional context

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