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authorDamien George <damien.p.george@gmail.com>2016-05-26 10:42:53 +0000
committerDamien George <damien.p.george@gmail.com>2016-06-28 11:28:50 +0100
commit4cec63a9dbed86c4332b9e7fcd56d092046193e4 (patch)
tree9e5e0636411f5de6647d4021c8069a39cb031f14 /py/mpthread.h
parent1f54ad2aed0dc8f2d868ccd89ccf639a475e8022 (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/mpthread.h')
-rw-r--r--py/mpthread.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/py/mpthread.h b/py/mpthread.h
index d0164ea29..747de60fe 100644
--- a/py/mpthread.h
+++ b/py/mpthread.h
@@ -38,6 +38,14 @@
struct _mp_state_thread_t;
+#if MICROPY_PY_THREAD_GIL
+#define MP_THREAD_GIL_ENTER() mp_thread_mutex_lock(&MP_STATE_VM(gil_mutex), 1)
+#define MP_THREAD_GIL_EXIT() mp_thread_mutex_unlock(&MP_STATE_VM(gil_mutex))
+#else
+#define MP_THREAD_GIL_ENTER()
+#define MP_THREAD_GIL_EXIT()
+#endif
+
struct _mp_state_thread_t *mp_thread_get_state(void);
void mp_thread_set_state(void *state);
void mp_thread_create(void *(*entry)(void*), void *arg, size_t stack_size);