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26 .TH MKNODAT 2 2012-05-04 "Linux" "Linux Programmer's Manual"
28 mknodat \- create a special or ordinary file relative to a directory
32 .B #include <fcntl.h> /* Definition of AT_* constants */
33 .B #include <sys/stat.h>
35 .BI "int mknodat(int " dirfd ", const char *" pathname ", mode_t " mode \
40 Feature Test Macro Requirements for glibc (see
41 .BR feature_test_macros (7)):
50 _XOPEN_SOURCE\ >=\ 700
51 .\" Other FTM combinations will also expose mknodat(), but this function was
52 .\" added in SUSv4, marked XSI, so we'll just document what the standard says.
62 system call operates in exactly the same way as
64 except for the differences described in this manual page.
66 If the pathname given in
68 is relative, then it is interpreted relative to the directory
69 referred to by the file descriptor
71 (rather than relative to the current working directory of
72 the calling process, as is done by
74 for a relative pathname).
84 is interpreted relative to the current working
85 directory of the calling process (like
97 On error, \-1 is returned and
99 is set to indicate the error.
101 The same errors that occur for
105 The following additional errors can occur for
110 is not a valid file descriptor.
116 is a file descriptor referring to a file other than a directory.
119 was added to Linux in kernel 2.6.16;
120 library support was added to glibc in version 2.4.
126 for an explanation of the need for
131 .BR path_resolution (7)