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io: ignore failed zero length posixed mapped_files

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This commit is contained in:
Danny Robson 2016-04-27 17:02:27 +10:00
parent cc001c4788
commit ddfb765110
1 changed files with 7 additions and 1 deletions
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6
io_posix.cpp
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@ -29,7 +29,13 @@ using util::detail::posix::mapped_file;
mapped_file::mapped_file (const char *_path, int fflags, int mflags):
m_fd (_path, fflags)
{
try {
load_fd (mflags);
} catch (const errno_error &e) {
// ignore zero length mapping error
if (e.code () == EINVAL && m_size == 0)
return;
}
}