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authorDamien George <damien.p.george@gmail.com>2014-10-25 18:19:55 +0100
committerDamien George <damien.p.george@gmail.com>2014-10-25 23:37:57 +0100
commit124df6f8d07b53542b6960dbeea9b63bff469a67 (patch)
tree39ea11d0bed72ed828c406d2b4a8fc069b00ca4e /py/objexcept.c
parentd7353fe6fe9c9d421ef045c0eea8d4591710e1ba (diff)
downloadmicropython-124df6f8d07b53542b6960dbeea9b63bff469a67.tar.gz
micropython-124df6f8d07b53542b6960dbeea9b63bff469a67.zip
py: Add mp_pending_exception global variable, for VM soft interrupt.
This allows to implement KeyboardInterrupt on unix, and a much safer ctrl-C in stmhal port. First ctrl-C is a soft one, with hope that VM will notice it; second ctrl-C is a hard one that kills anything (for both unix and stmhal). One needs to check for a pending exception in the VM only for jump opcodes. Others can't produce an infinite loop (infinite recursion is caught by stack check).
Diffstat (limited to 'py/objexcept.c')
-rw-r--r--py/objexcept.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/py/objexcept.c b/py/objexcept.c
index 203517b106..9b39788759 100644
--- a/py/objexcept.c
+++ b/py/objexcept.c
@@ -211,7 +211,7 @@ const mp_obj_type_t mp_type_ ## exc_name = { \
// http://docs.python.org/3/library/exceptions.html
MP_DEFINE_EXCEPTION_BASE(BaseException)
MP_DEFINE_EXCEPTION(SystemExit, BaseException)
-//MP_DEFINE_EXCEPTION(KeyboardInterrupt, BaseException)
+MP_DEFINE_EXCEPTION(KeyboardInterrupt, BaseException)
MP_DEFINE_EXCEPTION(GeneratorExit, BaseException)
MP_DEFINE_EXCEPTION(Exception, BaseException)
MP_DEFINE_EXCEPTION_BASE(Exception)