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* py: Convert mp_uint_t to size_t for tuple/list accessors.Damien George2017-03-29
| | | | | | | | | | | | | | | | | | | | This patch changes mp_uint_t to size_t for the len argument of the following public facing C functions: mp_obj_tuple_get mp_obj_list_get mp_obj_get_array These functions take a pointer to the len argument (to be filled in by the function) and callers of these functions should update their code so the type of len is changed to size_t. For ports that don't use nan-boxing there should be no change in generate code because the size of the type remains the same (word sized), and in a lot of cases there won't even be a compiler warning if the type remains as mp_uint_t. The reason for this change is to standardise on the use of size_t for variables that count memory (or memory related) sizes/lengths. It helps builds that use nan-boxing.
* py: Use mp_raise_TypeError/mp_raise_ValueError helpers where possible.Damien George2017-03-28
| | | | Saves 168 bytes on bare-arm.
* py: Move locals/globals dicts to the thread-specific state.Damien George2017-03-06
| | | | | | Each threads needs to have its own private references to its current locals/globals dicts, otherwise functions running within different contexts (eg imported from different files) can behave very strangely.
* py/modthread: Use system-provided mutexs for _thread locks.Damien George2017-02-15
| | | | | | It's more efficient using the system mutexs instead of synthetic ones with a busy-wait loop. The system can do proper scheduling and blocking of the threads waiting on the mutex.
* py: Use mp_raise_msg helper function where appropriate.Damien George2016-10-17
| | | | | Saves the following number of bytes of code space: 176 for bare-arm, 352 for minimal, 272 for unix x86-64, 140 for stmhal, 120 for esp8266.
* py: Add mp_raise_OSError(errno) helper function.Damien George2016-10-07
| | | | | This is an often used code pattern, and its use reduces code size of the core by about 100 bytes.
* all: Remove 'name' member from mp_obj_module_t struct.Damien George2016-09-22
| | | | One can instead lookup __name__ in the modules dict to get the value.
* py/modthread: Allow to properly set the stack limit of a thread.Damien George2016-06-28
| | | | | We rely on the port setting and adjusting the stack size so there is enough room to recover from hitting the stack limit.
* py/modthread: Make Lock objects work when GIL is enabled.Damien George2016-06-28
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* py: Implement a simple global interpreter lock.Damien George2016-06-28
| | | | | This makes the VM/runtime thread safe, at the cost of not being able to run code in parallel.
* py/modthread: Call mp_thread_start/mp_thread_finish around threads.Damien George2016-06-28
| | | | So the underlying thread implementation can do any necessary bookkeeping.
* py/modthread: Be more careful with root pointers when creating a thread.Damien George2016-06-28
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* py/modthread: Satisfy unused-args warning.Damien George2016-06-28
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* py/modthread: Add with-context capabilities to lock object.Damien George2016-06-28
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* py/modthread: Implement lock object, for creating a mutex.Damien George2016-06-28
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* py/modthread: Add exit() function.Damien George2016-06-28
| | | | Simply raises the SystemExit exception.
* py/modthread: Add stack_size() function.Damien George2016-06-28
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* py/modthread: Properly cast concrete exception pointer to an object.Damien George2016-06-28
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* py: Add basic _thread module, with ability to start a new thread.Damien George2016-06-28