about summary refs log tree commit diff
path: root/sysdeps/posix
diff options
context:
space:
mode:
authorFlorian Weimer <fweimer@redhat.com>2021-06-21 08:25:15 +0200
committerFlorian Weimer <fweimer@redhat.com>2021-06-21 08:25:15 +0200
commitb7a0bfbd2f3eca602584f51f935599a776784a93 (patch)
treec1d0bc83894fe14a7031aca4b4bcb817b657f151 /sysdeps/posix
parenta2014d311b2b2a7d8fcf2f502493404d7ec2601c (diff)
downloadglibc-b7a0bfbd2f3eca602584f51f935599a776784a93.tar.gz
glibc-b7a0bfbd2f3eca602584f51f935599a776784a93.tar.xz
glibc-b7a0bfbd2f3eca602584f51f935599a776784a93.zip
rt: Replace generic stub of shm_open with the posix version
Result of: git mv -f sysdeps/posix/shm_open.c rt
and manual removal of the _POSIX_MAPPED_FILES preprocessor condition.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/posix')
-rw-r--r--sysdeps/posix/shm_open.c62
1 files changed, 0 insertions, 62 deletions
diff --git a/sysdeps/posix/shm_open.c b/sysdeps/posix/shm_open.c
deleted file mode 100644
index 1817c52f7f..0000000000
--- a/sysdeps/posix/shm_open.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/* shm_open -- open a POSIX shared memory object.  Generic POSIX file 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <unistd.h>
-
-#if ! _POSIX_MAPPED_FILES
-
-# include <rt/shm_open.c>
-
-#else
-
-# include <errno.h>
-# include <fcntl.h>
-# include <pthread.h>
-# include <shm-directory.h>
-
-
-/* Open shared memory object.  */
-int
-shm_open (const char *name, int oflag, mode_t mode)
-{
-  struct shmdir_name dirname;
-  if (__shm_get_name (&dirname, name, false) != 0)
-    {
-      __set_errno (EINVAL);
-      return -1;
-    }
-
-  oflag |= O_NOFOLLOW | O_CLOEXEC;
-
-  /* Disable asynchronous cancellation.  */
-  int state;
-  pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &state);
-
-  int fd = open (dirname.name, oflag, mode);
-  if (fd == -1 && __glibc_unlikely (errno == EISDIR))
-    /* It might be better to fold this error with EINVAL since
-       directory names are just another example for unsuitable shared
-       object names and the standard does not mention EISDIR.  */
-    __set_errno (EINVAL);
-
-  pthread_setcancelstate (state, NULL);
-
-  return fd;
-}
-
-#endif  /* _POSIX_MAPPED_FILES */