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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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3
libc/intrin/g_fds.c
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@ -23,6 +23,7 @@
#include "libc/intrin/weaken.h"
#include "libc/nt/runtime.h"
#include "libc/runtime/memtrack.internal.h"
#include "libc/sysv/consts/map.h"
#include "libc/sysv/consts/o.h"
#include "libc/thread/thread.h"
@ -47,7 +48,7 @@ textstartup void InitializeFileDescriptors(void) {
fds->p = fds->e = (void *)kMemtrackFdsStart;
fds->n = 4;
fds->f = 3;
fds->e = _extend(fds->p, fds->n * sizeof(*fds->p), fds->e,
fds->e = _extend(fds->p, fds->n * sizeof(*fds->p), fds->e, MAP_PRIVATE,
kMemtrackFdsStart + kMemtrackFdsSize);
if (IsMetal()) {
extern const char vga_console[];