2 * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
3 * Copyright (c) 2014-2018 The strace developers.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 IOPRIO_WHO_PROCESS = 1,
38 #include "xlat/ioprio_who.h"
47 #include "xlat/ioprio_class.h"
49 #define IOPRIO_CLASS_SHIFT (13)
50 #define IOPRIO_PRIO_MASK ((1ul << IOPRIO_CLASS_SHIFT) - 1)
52 #define IOPRIO_PRIO_CLASS(mask) ((mask) >> IOPRIO_CLASS_SHIFT)
53 #define IOPRIO_PRIO_DATA(mask) ((mask) & IOPRIO_PRIO_MASK)
56 sprint_ioprio(unsigned int ioprio)
58 static char outstr[256];
60 unsigned int class, data;
62 class = IOPRIO_PRIO_CLASS(ioprio);
63 data = IOPRIO_PRIO_DATA(ioprio);
64 sprintxval(class_buf, sizeof(class_buf), ioprio_class, class,
66 xsprintf(outstr, "IOPRIO_PRIO_VALUE(%s, %d)", class_buf, data);
75 printxval(ioprio_who, tcp->u_arg[0], "IOPRIO_WHO_???");
77 tprintf(", %d", (int) tcp->u_arg[1]);
83 tcp->auxstr = sprint_ioprio(tcp->u_rval);
91 printxval(ioprio_who, tcp->u_arg[0], "IOPRIO_WHO_???");
93 tprintf(", %d, ", (int) tcp->u_arg[1]);
95 tprints(sprint_ioprio(tcp->u_arg[2]));