Hi,
We embedded Pypy in C++ code, and found out if Pypy was initialized twice
it would block at function RpyGilAcquire().
Here is the case:
rpython_startup_code();
res = pypy_setup_home("...")
res = pypy_execute_source_ptr(...)
//Some code here
rpython_startup_code();
res = pypy_setup_home("...")
res = pypy_execute_source_ptr(...)
We found pypy blocked at second pypy_execute_source_pty(...), the detail
call stack are
#0 0x0000003fea40b1c0 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007f8543087a1d in RPyGilAcquire () from
/usr/ali/odps-pypy/libpypy-c.so
#2 0x00007f85425a5f8d in pypy_g_pypy_execute_source_ptr () from
/usr/ali/odps-pypy/libpypy-c.so
#3 0x00007f85423a6743 in pypy_execute_source_ptr () from
/usr/ali/odps-pypy/libpypy-c.so
The reason that we initialized pypy twice is that we would like to get a
clean environment to execute without any global variables' pollution from
the first run.
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