rmdir - delete a directory
Standard C library (libc, -lc)
#include <unistd.h>
int rmdir(const char *pathname);rmdir() deletes a directory, which must be empty.
On success, zero is returned. On error, -1 is returned, and
errno is set to indicate the error.
Write access to the directory containing pathname was not
allowed, or one of the directories in the path prefix of
pathname did not allow search permission. (See also
path_resolution(7).)
pathname is currently in use by the system or some process
that prevents its removal. On Linux, this means pathname is
currently used as a mount point or is the root directory of the calling
process.
pathname points outside your accessible address space.
pathname has . as last component.
Too many symbolic links were encountered in resolving
pathname.
pathname was too long.
A directory component in pathname does not exist or is a
dangling symbolic link.
Insufficient kernel memory was available.
pathname, or a component used as a directory in
pathname, is not, in fact, a directory.
pathname contains entries other than . and
.. ; or, pathname has .. as its final
component. POSIX.1 also allows EEXIST for this
condition.
The directory containing pathname has the sticky bit
(S_ISVTX) set and the process's effective user ID is
neither the user ID of the file to be deleted nor that of the directory
containing it, and the process is not privileged (Linux: does not have
the CAP_FOWNER capability).
The filesystem containing pathname does not support the
removal of directories.
pathname refers to a directory on a read-only
filesystem.
POSIX.1-2008.
POSIX.1-2001, SVr4, 4.3BSD.
Infelicities in the protocol underlying NFS can cause the unexpected disappearance of directories which are still being used.