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rt: Replace generic stub of shm_unlink with the posix version

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Result of: git mv -f sysdeps/posix/shm_unlink.c rt
and manual removal of the _POSIX_MAPPED_FILES preprocessor condition.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2021-06-21 08:25:15 +02:00
parent b7a0bfbd2f
commit a749a00fb5
2 changed files with 16 additions and 53 deletions
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21
rt/shm_unlink.c
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@@ -1,4 +1,5 @@
/* Copyright (C) 2000-2021 Free Software Foundation, Inc.
/* shm_unlink -- remove a POSIX shared memory object. Generic POSIX version.
Copyright (C) 2001-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -16,13 +17,23 @@
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <sys/mman.h>
#include <shm-directory.h>
#include <string.h>
#include <unistd.h>
/* Remove shared memory object. */
int
shm_unlink (const char *name)
{
__set_errno (ENOSYS);
return -1;
struct shmdir_name dirname;
if (__shm_get_name (&dirname, name, false) != 0)
{
__set_errno (ENOENT);
return -1;
}
int result = unlink (dirname.name);
if (result < 0 && errno == EPERM)
__set_errno (EACCES);
return result;
}
stub_warning (shm_unlink)