File.mkfifo

(::string | ::_ToPath file_name, ?::int mode) -> 0

File.mkfifo(file_name, mode=0666) => 0

static VALUE
rb_file_s_mkfifo(int argc, VALUE *argv, VALUE _)
{
    VALUE path;
    struct mkfifo_arg ma;

    ma.mode = 0666;
    rb_check_arity(argc, 1, 2);
    if (argc > 1) {
        ma.mode = NUM2MODET(argv[1]);
    }
    path = argv[0];
    FilePathValue(path);
    path = rb_str_encode_ospath(path);
    ma.path = RSTRING_PTR(path);
    if (IO_WITHOUT_GVL(nogvl_mkfifo, &ma)) {
        rb_sys_fail_path(path);
    }
    return INT2FIX(0);
}

Creates a FIFO special file with name file_name. mode specifies the FIFO’s permissions. It is modified by the process’s umask in the usual way: the permissions of the created file are (mode & ~umask).

See also .lutime .mtime .lstat .new also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0

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