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* Copyright (c) 2011, Joakim Johansson <jocke@tbricks.com>
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <sys/types.h>
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#include <sys/signal.h>
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#include <sys/procset.h>
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#include <sys/priocntl.h>
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#include <sys/rtpriocntl.h>
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#include <sys/tspriocntl.h>
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#include <sys/iapriocntl.h>
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#include <sys/fsspriocntl.h>
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#include <sys/fxpriocntl.h>
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// Set the RT priority - it is inveresed from the queue priorities, higher is better
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// We give '0' to low prio queues and the highest possible for the 'high' prio queue (currently 2)
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void ptwq_set_current_thread_priority(int priority)
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dbg_printf("reconfiguring thread for priority level=%u", priority);
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case WORKQ_LOW_PRIOQUEUE:
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retval = priocntl(P_LWPID, P_MYID, PC_SETXPARMS, "TS", 0); // run low prio queues as time sharing
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case WORKQ_DEFAULT_PRIOQUEUE:
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retval = priocntl(P_LWPID, P_MYID, PC_SETXPARMS, "RT", RT_KY_PRI, WORKQ_NUM_PRIOQUEUE - priority - 1, 0);
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case WORKQ_HIGH_PRIOQUEUE:
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retval = priocntl(P_LWPID, P_MYID, PC_SETXPARMS, "RT", RT_KY_PRI, WORKQ_NUM_PRIOQUEUE - priority - 1, 0);
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dbg_printf("Unknown priority level = %u", priority);
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dbg_perror("priocntl()");
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void ptwq_set_current_thread_priority(int priority)