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26 .TH FCHOWNAT 2 2006-05-05 "Linux" "Linux Programmer's Manual"
28 fchownat \- change ownership of a file relative to a directory \
32 .B #define _ATFILE_SOURCE
33 .B #include <unistd.h>
35 .BI "int fchownat(int " dirfd ", const char *" pathname ,
36 .BI " uid_t " owner ", gid_t " group ", int " flags );
41 system call operates in exactly the same way as
43 except for the differences described in this manual page.
45 If the pathname given in
47 is relative, then it is interpreted relative to the directory
48 referred to by the file descriptor
50 (rather than relative to the current working directory of
51 the calling process, as is done by
53 for a relative pathname).
63 is interpreted relative to the current working
64 directory of the calling process (like
74 can either be 0, or include the following flag:
76 .B AT_SYMLINK_NOFOLLOW
79 is a symbolic link, do not dereference it:
80 instead operate on the link itself, like
84 dereferences symbolic links, like
90 On error, \-1 is returned and
92 is set to indicate the error.
94 The same errors that occur for
98 The following additional errors can occur for
103 is not a valid file descriptor.
106 Invalid flag specified in
113 is a file descriptor referring to a file other than a directory.
116 was added to Linux in kernel 2.6.16.
118 This system call is non-standard but is proposed
119 for inclusion in a future revision of POSIX.1.
120 A similar system call exists on Solaris.
124 for an explanation of the need for
129 .BR path_resolution (7)