diff options
Diffstat (limited to 'newlib/libc/sys/linux/shm_open.c')
-rw-r--r-- | newlib/libc/sys/linux/shm_open.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/newlib/libc/sys/linux/shm_open.c b/newlib/libc/sys/linux/shm_open.c deleted file mode 100644 index cb92c3ae4..000000000 --- a/newlib/libc/sys/linux/shm_open.c +++ /dev/null @@ -1,48 +0,0 @@ -/* shm_open - open a shared memory file */ - -/* Copyright 2002, Red Hat Inc. */ - -#include <sys/types.h> -#include <sys/mman.h> -#include <unistd.h> -#include <string.h> -#include <fcntl.h> -#include <limits.h> - -int -shm_open (const char *name, int oflag, mode_t mode) -{ - int fd; - char shm_name[PATH_MAX+20] = "/dev/shm/"; - - /* skip opening slash */ - if (*name == '/') - ++name; - - /* create special shared memory file name and leave enough space to - cause a path/name error if name is too long */ - strlcpy (shm_name + 9, name, PATH_MAX + 10); - - fd = open (shm_name, oflag, mode); - - if (fd != -1) - { - /* once open we must add FD_CLOEXEC flag to file descriptor */ - int flags = fcntl (fd, F_GETFD, 0); - - if (flags >= 0) - { - flags |= FD_CLOEXEC; - flags = fcntl (fd, F_SETFD, flags); - } - - /* on failure, just close file and give up */ - if (flags == -1) - { - close (fd); - fd = -1; - } - } - - return fd; -} |