diff options
Diffstat (limited to 'source/blender/blenkernel/intern/fcurve.c')
| -rw-r--r-- | source/blender/blenkernel/intern/fcurve.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/fcurve.c b/source/blender/blenkernel/intern/fcurve.c index 413e34e72a8..322da9f1095 100644 --- a/source/blender/blenkernel/intern/fcurve.c +++ b/source/blender/blenkernel/intern/fcurve.c @@ -46,6 +46,7 @@ #include "BLI_blenlib.h" #include "BLI_math.h" #include "BLI_easing.h" +#include "BLI_threads.h" #include "BLI_utildefines.h" #include "BLF_translation.h" @@ -69,6 +70,8 @@ #define SMALL -1.0e-10 #define SELECT 1 +static ThreadMutex python_driver_lock = BLI_MUTEX_INITIALIZER; + /* ************************** Data-Level Functions ************************* */ /* ---------------------- Freeing --------------------------- */ @@ -1807,7 +1810,9 @@ static float evaluate_driver(ChannelDriver *driver, const float evaltime) /* this evaluates the expression using Python, and returns its result: * - on errors it reports, then returns 0.0f */ + BLI_mutex_lock(&python_driver_lock); driver->curval = BPY_driver_exec(driver, evaltime); + BLI_mutex_unlock(&python_driver_lock); } #else /* WITH_PYTHON*/ (void)evaltime; |