newlib-cygwin/newlib/libc/sys/linux/shm_unlink.c

29 lines
553 B
C

/* shm_unlink - remove a shared memory file */
/* Copyright 2002, Red Hat Inc. */
#include <sys/types.h>
#include <sys/mman.h>
#include <unistd.h>
#include <string.h>
#include <limits.h>
int
shm_unlink (const char *name)
{
int rc;
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);
rc = unlink (shm_name);
return rc;
}