CircuitPython - a Python implementation for teaching coding with microcontrollers https://git.suspectdevices.com/suspect-devices/circuitpython/atom?h=esp-extra-scripts 2016-06-28T10:28:50+00:00 2016-06-28T10:28:50+00:00 Damien George damien.p.george@gmail.com 2016-05-26T11:54:29+00:00 urn:sha1:94d2919b7798e121e9266a6b2970e16b36339b2c 2016-06-17T20:35:00+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2016-06-17T20:35:00+00:00 urn:sha1:6f8880d0ab92e002e7596578ceb0959f9327bc01 2016-01-11T00:49:27+00:00 Damien George damien.p.george@gmail.com 2016-01-03T14:21:40+00:00 urn:sha1:4b72b3a133ea87a1ef8b964508dc25c551ccf093 With this patch the n_args parameter is changed type from mp_uint_t to size_t. 2016-01-10T10:08:27+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2016-01-10T10:06:49+00:00 urn:sha1:8175877ad64a631e9ce0f9a5b66782d58ea5f48d Instead of struct tm like structure, as required by CPython. 2015-12-13T22:10:57+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2015-12-13T22:10:36+00:00 urn:sha1:8fb255dc342a88b039f132f4fe28b91ce917650d Following "don't rely on FFI for basic functionality" approach. 2015-12-01T22:37:25+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2015-12-01T22:37:14+00:00 urn:sha1:3376875bc8bc7d6854823dcb2c4b763d7c582a99 As set by signal handler. This assumes that exception will be raised somewhere else, which so far doesn't happen for single function call. Still, it makes sense to handle that in some common place. 2015-11-29T14:25:04+00:00 Damien George damien.p.george@gmail.com 2015-11-27T13:38:15+00:00 urn:sha1:cbf7674025814797f5c537d6d1c195efe58ccaaf 2015-11-29T12:31:58+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2015-11-29T12:31:58+00:00 urn:sha1:fad7d9317b47330533ee6c84ffdaa3e53ad76e46 2015-11-29T12:21:06+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2015-11-29T11:37:17+00:00 urn:sha1:0bb57bf5bf1c9822abca524aabd00fe9b861d10d THis is required to deal well with signals, signals being the closest analogue of hardware interrupts for POSIX. This is also CPython 3.5 compliant behavior (PEP 475). The main problem implementing this is to figure out how much time was spent in waiting so far/how much is remaining. It's well-known fact that Linux updates select()'s timeout value when returning with EINTR to the remaining wait time. Here's what POSIX-based standards say about this: (http://pubs.opengroup.org/onlinepubs/9699919799/functions/pselect.html): "Upon successful completion, the select() function may modify the object pointed to by the timeout argument." I.e. it allows to modify timeout value, but doesn't say how exactly it is modified. And actually, it allows such modification only "upon successful completion", which returning with EINTR error hardly is. POSIX also allows to request automatic EINTR restart for system calls using sigaction call with SA_RESTART flag, but here's what the same document says about it: "If SA_RESTART has been set for the interrupting signal, it is implementation-defined whether the function restarts or returns with [EINTR]." In other words, POSIX doesn't leave room for both portable and efficient handling of this matter, so the code just allows to manually select Linux-compatible behavior with MICROPY_SELECT_REMAINING_TIME option, or otherwise will just raise OSError. When systems with non-Linux behavior are found, they can be handled separately. 2015-10-19T14:48:27+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2015-10-17T12:53:55+00:00 urn:sha1:8ee153f23429b63878d740168695cde3fb2a1497 All of these functions return positive small int, thus range is 2 bits less than word size (30 bit on 32-bit systems, 62 bit on 64-bit systems).