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annotate mercurial/cffi/mpatchbuild.py @ 40450:41f0529b5112 stable

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commandserver: get around ETIMEDOUT raised by selectors2 selector.select() should exits with an empty event list on timed out, but selectors2 raises OSError if timeout expires while recovering from EINTR. Spotted while debugging new chg feature.
author Yuya Nishihara <yuya@tcha.org>
date Mon, 03 Dec 2018 21:45:15 +0900
parents 0585337ea787
children 2372284d9457
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 from __future__ import absolute_import
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2
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3 import cffi
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4 import os
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5
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6 ffi = cffi.FFI()
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9cc438bf7d9a setup: move cffi stuff to mercurial/cffi
Jun Wu <quark@fb.com>
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7 mpatch_c = os.path.join(os.path.join(os.path.dirname(__file__), '..',
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8 'mpatch.c'))
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Augie Fackler <augie@google.com>
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9 with open(mpatch_c) as f:
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10 ffi.set_source("mercurial.cffi._mpatch", f.read(),
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11 include_dirs=["mercurial"])
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12 ffi.cdef("""
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13
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14 struct mpatch_frag {
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15 int start, end, len;
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16 const char *data;
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17 };
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18
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19 struct mpatch_flist {
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20 struct mpatch_frag *base, *head, *tail;
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21 };
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22
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23 extern "Python" struct mpatch_flist* cffi_get_next_item(void*, ssize_t);
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24
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25 int mpatch_decode(const char *bin, ssize_t len, struct mpatch_flist** res);
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26 ssize_t mpatch_calcsize(size_t len, struct mpatch_flist *l);
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27 void mpatch_lfree(struct mpatch_flist *a);
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28 static int mpatch_apply(char *buf, const char *orig, size_t len,
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29 struct mpatch_flist *l);
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30 struct mpatch_flist *mpatch_fold(void *bins,
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31 struct mpatch_flist* (*get_next_item)(void*, ssize_t),
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32 ssize_t start, ssize_t end);
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33 """)
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34
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35 if __name__ == '__main__':
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36 ffi.compile()