2 * Copyright (c) 2011, Joakim Johansson <jocke@tbricks.com>
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 unmodified, this list of conditions, and the following
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 #include <sys/types.h>
37 #include <sys/signal.h>
38 #include <sys/procset.h>
39 #include <sys/priocntl.h>
40 #include <sys/rtpriocntl.h>
41 #include <sys/tspriocntl.h>
42 #include <sys/iapriocntl.h>
43 #include <sys/fsspriocntl.h>
44 #include <sys/fxpriocntl.h>
46 // Set the RT priority - it is inveresed from the queue priorities, higher is better
47 // We give '0' to low prio queues and the highest possible for the 'high' prio queue (currently 2)
49 void ptwq_set_current_thread_priority(int priority)
53 dbg_printf("reconfiguring thread for priority level=%u", priority);
57 case WORKQ_LOW_PRIOQUEUE:
58 retval = priocntl(P_LWPID, P_MYID, PC_SETXPARMS, "TS", 0); // run low prio queues as time sharing
60 case WORKQ_DEFAULT_PRIOQUEUE:
61 retval = priocntl(P_LWPID, P_MYID, PC_SETXPARMS, "RT", RT_KY_PRI, WORKQ_NUM_PRIOQUEUE - priority - 1, 0);
63 case WORKQ_HIGH_PRIOQUEUE:
64 retval = priocntl(P_LWPID, P_MYID, PC_SETXPARMS, "RT", RT_KY_PRI, WORKQ_NUM_PRIOQUEUE - priority - 1, 0);
67 dbg_printf("Unknown priority level = %u", priority);
73 dbg_perror("priocntl()");
80 void ptwq_set_current_thread_priority(int priority __attribute__ ((unused)))