From 7f3caba522f4d24764f29d83aa2de9198bb7f01c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 24 May 2024 06:52:22 +0200 Subject: Adding upstream version 6.8. Signed-off-by: Daniel Baumann --- man3/mkfifo.3 | 201 ---------------------------------------------------------- 1 file changed, 201 deletions(-) delete mode 100644 man3/mkfifo.3 (limited to 'man3/mkfifo.3') diff --git a/man3/mkfifo.3 b/man3/mkfifo.3 deleted file mode 100644 index 0f5c21c..0000000 --- a/man3/mkfifo.3 +++ /dev/null @@ -1,201 +0,0 @@ -'\" t -.\" This manpage is Copyright (C) 1995 James R. Van Zandt -.\" and Copyright (C) 2006, 2014 Michael Kerrisk -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.\" changed section from 2 to 3, aeb, 950919 -.\" -.TH mkfifo 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -mkfifo, mkfifoat \- make a FIFO special file (a named pipe) -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.B #include -.B #include -.P -.BI "int mkfifo(const char *" pathname ", mode_t " mode ); -.P -.BR "#include " "/* Definition of AT_* constants */" -.B #include -.P -.BI "int mkfifoat(int " dirfd ", const char *" pathname ", mode_t " mode ); -.fi -.P -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -.BR mkfifoat (): -.nf - Since glibc 2.10: - _POSIX_C_SOURCE >= 200809L - Before glibc 2.10: - _ATFILE_SOURCE -.fi -.SH DESCRIPTION -.BR mkfifo () -makes a FIFO special file with name \fIpathname\fP. -\fImode\fP specifies the FIFO's permissions. -It is modified by the -process's \fBumask\fP in the usual way: the permissions of the created -file are \fB(\fP\fImode\fP\fB & \[ti]umask)\fP. -.P -A FIFO special file is similar to a pipe, except that it is created -in a different way. -Instead of being an anonymous communications -channel, a FIFO special file is entered into the filesystem by -calling -.BR mkfifo (). -.P -Once you have created a FIFO special file in this way, any process can -open it for reading or writing, in the same way as an ordinary file. -However, it has to be open at both ends simultaneously before you can -proceed to do any input or output operations on it. -Opening a FIFO for reading normally blocks until some -other process opens the same FIFO for writing, and vice versa. -See -.BR fifo (7) -for nonblocking handling of FIFO special files. -.SS mkfifoat() -The -.BR mkfifoat () -function operates in exactly the same way as -.BR mkfifo (), -except for the differences described here. -.P -If the pathname given in -.I pathname -is relative, then it is interpreted relative to the directory -referred to by the file descriptor -.I dirfd -(rather than relative to the current working directory of -the calling process, as is done by -.BR mkfifo () -for a relative pathname). -.P -If -.I pathname -is relative and -.I dirfd -is the special value -.BR AT_FDCWD , -then -.I pathname -is interpreted relative to the current working -directory of the calling process (like -.BR mkfifo ()). -.P -If -.I pathname -is absolute, then -.I dirfd -is ignored. -.P -See -.BR openat (2) -for an explanation of the need for -.BR mkfifoat (). -.SH RETURN VALUE -On success -.BR mkfifo () -and -.BR mkfifoat () -return 0. -On error, \-1 is returned and -.I errno -is set to indicate the error. -.SH ERRORS -.TP -.B EACCES -One of the directories in \fIpathname\fP did not allow search -(execute) permission. -.TP -.B EBADF -.RB ( mkfifoat ()) -.I pathname -is relative but -.I dirfd -is neither -.B AT_FDCWD -nor a valid file descriptor. -.TP -.B EDQUOT -The user's quota of disk blocks or inodes on the filesystem has been -exhausted. -.TP -.B EEXIST -\fIpathname\fP already exists. -This includes the case where -.I pathname -is a symbolic link, dangling or not. -.TP -.B ENAMETOOLONG -Either the total length of \fIpathname\fP is greater than -\fBPATH_MAX\fP, or an individual filename component has a length -greater than \fBNAME_MAX\fP. -In the GNU system, there is no imposed -limit on overall filename length, but some filesystems may place -limits on the length of a component. -.TP -.B ENOENT -A directory component in \fIpathname\fP does not exist or is a -dangling symbolic link. -.TP -.B ENOSPC -The directory or filesystem has no room for the new file. -.TP -.B ENOTDIR -A component used as a directory in \fIpathname\fP is not, in fact, a -directory. -.TP -.B ENOTDIR -.RB ( mkfifoat ()) -.I pathname -is a relative pathname and -.I dirfd -is a file descriptor referring to a file other than a directory. -.TP -.B EROFS -\fIpathname\fP refers to a read-only filesystem. -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR mkfifo (), -.BR mkfifoat () -T} Thread safety MT-Safe -.TE -.SH VERSIONS -It is implemented using -.BR mknodat (2). -.SH STANDARDS -POSIX.1-2008. -.SH HISTORY -.TP -.BR mkfifo () -POSIX.1-2001. -.TP -.BR mkfifoat () -glibc 2.4. -POSIX.1-2008. -.SH SEE ALSO -.BR mkfifo (1), -.BR close (2), -.BR open (2), -.BR read (2), -.BR stat (2), -.BR umask (2), -.BR write (2), -.BR fifo (7) -- cgit v1.2.3