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| author | Damien George <damien.p.george@gmail.com> | 2016-05-26 10:42:53 +0000 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2016-06-28 11:28:50 +0100 |
| commit | 4cec63a9dbed86c4332b9e7fcd56d092046193e4 (patch) | |
| tree | 9e5e0636411f5de6647d4021c8069a39cb031f14 /py/mpstate.h | |
| parent | 1f54ad2aed0dc8f2d868ccd89ccf639a475e8022 (diff) | |
py: Implement a simple global interpreter lock.
This makes the VM/runtime thread safe, at the cost of not being able to
run code in parallel.
Diffstat (limited to 'py/mpstate.h')
| -rw-r--r-- | py/mpstate.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/py/mpstate.h b/py/mpstate.h index 3ee243dff..b79fd7c5c 100644 --- a/py/mpstate.h +++ b/py/mpstate.h @@ -175,6 +175,11 @@ typedef struct _mp_state_vm_t { #if MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF && MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE == 0 mp_int_t mp_emergency_exception_buf_size; #endif + + #if MICROPY_PY_THREAD_GIL + // This is a global mutex used to make the VM/runtime thread-safe. + mp_thread_mutex_t gil_mutex; + #endif } mp_state_vm_t; // This structure holds state that is specific to a given thread. |