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Code Issues Releases Wiki Activity

ircd::fs: Support anonymous non-descript mapping.

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This commit is contained in:
Jason Volk 2022-03-05 12:22:20 -08:00
parent e68b93fa61
commit af4d722ec3
1 changed files with 2 additions and 1 deletions
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3
ircd/fs.cc
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@ -2049,6 +2049,7 @@ ircd::fs::map::map(const fd &fd,
const size_t &size)
#if defined(HAVE_MMAP)
{
assert(size || int(fd) > -1);
const auto map_size
{
size?: fs::size(fd)
@ -2061,7 +2062,7 @@ ircd::fs::map::map(const fd &fd,
nullptr,
map_size,
prot(opts),
flags(opts),
flags(opts) | (int(fd) == -1? MAP_ANONYMOUS : 0),
int(fd),
opts.offset
)