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diff --git a/man7/fifo.7 b/man7/fifo.7 deleted file mode 100644 index 0a26c8ad1..000000000 --- a/man7/fifo.7 +++ /dev/null @@ -1,75 +0,0 @@ -.\" This man page is Copyright (C) 1999 Claus Fischer. -.\" -.\" %%%LICENSE_START(VERBATIM_ONE_PARA) -.\" Permission is granted to distribute possibly modified copies -.\" of this page provided the header is included verbatim, -.\" and in case of nontrivial modification author and date -.\" of the modification is added to the header. -.\" %%%LICENSE_END -.\" -.\" 990620 - page created - aeb@cwi.nl -.\" -.TH fifo 7 (date) "Linux man-pages (unreleased)" -.SH NAME -fifo \- first-in first-out special file, named pipe -.SH DESCRIPTION -A FIFO special file (a named pipe) is similar to a pipe, -except that it is accessed as part of the filesystem. -It can be opened by multiple processes for reading or -writing. -When processes are exchanging data via the FIFO, -the kernel passes all data internally without writing it -to the filesystem. -Thus, the FIFO special file has no -contents on the filesystem; the filesystem entry merely -serves as a reference point so that processes can access -the pipe using a name in the filesystem. -.PP -The kernel maintains exactly one pipe object for each -FIFO special file that is opened by at least one process. -The FIFO must be opened on both ends (reading and writing) -before data can be passed. -Normally, opening the FIFO blocks -until the other end is opened also. -.PP -A process can open a FIFO in nonblocking mode. -In this -case, opening for read-only succeeds even if no one has -opened on the write side yet and opening for write-only -fails with -.B ENXIO -(no such device or address) unless the other -end has already been opened. -.PP -Under Linux, opening a FIFO for read and write will succeed -both in blocking and nonblocking mode. -POSIX leaves this -behavior undefined. -This can be used to open a FIFO for -writing while there are no readers available. -A process -that uses both ends of the connection in order to communicate -with itself should be very careful to avoid deadlocks. -.SH NOTES -For details of the semantics of I/O on FIFOs, see -.BR pipe (7). -.PP -When a process tries to write to a FIFO that is not opened -for read on the other side, the process is sent a -.B SIGPIPE -signal. -.PP -FIFO special files can be created by -.BR mkfifo (3), -and are indicated by -.I ls\~\-l -with the file type \[aq]p\[aq]. -.SH SEE ALSO -.BR mkfifo (1), -.BR open (2), -.BR pipe (2), -.BR sigaction (2), -.BR signal (2), -.BR socketpair (2), -.BR mkfifo (3), -.BR pipe (7) |