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Add shared memory apis to redbean

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You can now do things like implement mutexes using futexes in your
redbean lua code. This provides the fastest possible inter-process
communication for your production systems when SQLite alone as ipc
or things like pipes aren't sufficient.
This commit is contained in:
Justine Tunney 2022-10-06 04:55:26 -07:00
parent 81ee11a16e
commit 7822917fc2
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GPG key ID: BE714B4575D6E328
21 changed files with 988 additions and 23 deletions
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2
libc/calls/reservefd.c
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@ -49,7 +49,7 @@ int __ensurefds_unlocked(int fd) {
bool relocate;
if (fd < g_fds.n) return fd;
g_fds.n = fd + 1;
g_fds.e = _extend(g_fds.p, g_fds.n * sizeof(*g_fds.p), g_fds.e,
g_fds.e = _extend(g_fds.p, g_fds.n * sizeof(*g_fds.p), g_fds.e, MAP_PRIVATE,
kMemtrackFdsStart + kMemtrackFdsSize);
return fd;
}