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thr_pshared.c

Maps a shared region read-only with mmapMaps a shared region writable with mmap

SHA-256715fe7f55bc120de00a929cabbeb53193fd5d3451615983241bdff9398b1a1e7

MaleculeH(Mg)

Evidence

English function-word token "the" lines 1–10

1/*-
* Copyright (c) 2015 The FreeBSD Foundation
*
* This software was developed by Konstantin Belousov
* under sponsorship from the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above …

English function-word token "for" lines 18–19

18:6… PLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE …

imports namespace.h lines 25–44

25:47… VISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/types.h>
30#include <sys/mman.h>
31#include <sys/queue.h>
32#include "namespace.h"
33#include <stdlib.h>
34#include "un-namespace.h"
35
36#include "thr_private.h"
37
38struct psh {
⋯6 lines

English function-word token "have" lines 93–96

3…  pthread_lock_destroy().  Other processes still have the hash and
* mapped off-page.
*
* Mitigate the problem by checking the liveness of all has …

Maps a shared region read-only with mmap lines 243–251

10… _SHM_LOOKUP, key, NULL);
if (fd == -1)
return (NULL);
res = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
close(fd);
if (res == MAP_FAILED)
return (NULL);
pshared_wlock(curthread);
ins_done = pshared_insert(key, &res); …