posix_mkfifo
posix_mkfifo
Create a fifo special file (a named pipe)
bool **posix_mkfifo** string $filename int $permissions
creates a special
file which exists in the file system and acts as
a bidirectional communication endpoint for processes.
posix_mkfifo``FIFO
filename
Path to the file.
FIFO
permissions
The second parameter has to be given in
octal notation (e.g. 0644). The permission of the newly created
also depends on the setting of the current
. The permissions of the created file are
(mode & ~umask).
permissions``FIFO``umask
return.success