linux_timer.h

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    1 /*-
    2  * Copyright (c) 2014 Bjoern A. Zeeb
    3  * All rights reserved.
    4  *
    5  * This software was developed by SRI International and the University of
    6  * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-11-C-0249
    7  * ("MRC2"), as part of the DARPA MRC research programme.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   28  * SUCH DAMAGE.
   29  *
   30  * $FreeBSD: releng/11.1/sys/compat/linux/linux_timer.h 317637 2017-05-01 06:42:39Z dchagin $
   31  */
   32 
   33 #ifndef _LINUX_TIMER_H
   34 #define _LINUX_TIMER_H
   35 
   36 #ifndef __LINUX_ARCH_SIGEV_PREAMBLE_SIZE
   37 #define __LINUX_ARCH_SIGEV_PREAMBLE_SIZE        \
   38         (sizeof(l_int) * 2 + sizeof(l_sigval_t))
   39 #endif
   40 
   41 #define LINUX_SIGEV_MAX_SIZE                    64
   42 #define LINUX_SIGEV_PAD_SIZE                    \
   43         ((LINUX_SIGEV_MAX_SIZE - __LINUX_ARCH_SIGEV_PREAMBLE_SIZE) / \
   44         sizeof(l_int))
   45 
   46 #define LINUX_CLOCK_REALTIME                    0
   47 #define LINUX_CLOCK_MONOTONIC                   1
   48 #define LINUX_CLOCK_PROCESS_CPUTIME_ID          2
   49 #define LINUX_CLOCK_THREAD_CPUTIME_ID           3
   50 #define LINUX_CLOCK_MONOTONIC_RAW               4
   51 #define LINUX_CLOCK_REALTIME_COARSE             5
   52 #define LINUX_CLOCK_MONOTONIC_COARSE            6
   53 #define LINUX_CLOCK_BOOTTIME                    7
   54 #define LINUX_CLOCK_REALTIME_ALARM              8
   55 #define LINUX_CLOCK_BOOTTIME_ALARM              9
   56 #define LINUX_CLOCK_SGI_CYCLE                   10
   57 #define LINUX_CLOCK_TAI                         11
   58 
   59 #define LINUX_CPUCLOCK_PERTHREAD_MASK           4
   60 #define LINUX_CPUCLOCK_MASK                     3
   61 #define LINUX_CPUCLOCK_WHICH(clock)             \
   62         ((clock) & (clockid_t) LINUX_CPUCLOCK_MASK)
   63 #define LINUX_CPUCLOCK_PROF                     0
   64 #define LINUX_CPUCLOCK_VIRT                     1
   65 #define LINUX_CPUCLOCK_SCHED                    2
   66 #define LINUX_CPUCLOCK_MAX                      3
   67 #define LINUX_CLOCKFD                           LINUX_CPUCLOCK_MAX
   68 #define LINUX_CLOCKFD_MASK                      \
   69         (LINUX_CPUCLOCK_PERTHREAD_MASK|LINUX_CPUCLOCK_MASK)
   70 
   71 #define LINUX_CPUCLOCK_ID(clock)                ((pid_t) ~((clock) >> 3))
   72 #define LINUX_CPUCLOCK_PERTHREAD(clock)         \
   73         (((clock) & (clockid_t) LINUX_CPUCLOCK_PERTHREAD_MASK) != 0)
   74 
   75 #define LINUX_TIMER_ABSTIME                     0x01
   76 
   77 #define L_SIGEV_SIGNAL                          0
   78 #define L_SIGEV_NONE                            1
   79 #define L_SIGEV_THREAD                          2
   80 #define L_SIGEV_THREAD_ID                       4
   81 
   82 #define TS_CP(src,dst,fld) do {                 \
   83         CP((src).fld,(dst).fld,tv_sec);         \
   84         CP((src).fld,(dst).fld,tv_nsec);        \
   85 } while (0)
   86 
   87 #define ITS_CP(src, dst) do {                   \
   88         TS_CP((src), (dst), it_interval);       \
   89         TS_CP((src), (dst), it_value);          \
   90 } while (0)
   91 
   92 struct l_sigevent {
   93         l_sigval_t sigev_value;
   94         l_int sigev_signo;
   95         l_int sigev_notify;
   96         union {
   97                 l_int _pad[LINUX_SIGEV_PAD_SIZE];
   98                 l_int _tid;
   99                 struct {
  100                         l_uintptr_t _function;
  101                         l_uintptr_t _attribute;
  102                 } _l_sigev_thread;
  103         } _l_sigev_un;
  104 }
  105 #if defined(__amd64__) && defined(COMPAT_LINUX32)
  106 __packed
  107 #endif
  108 ;
  109 
  110 struct l_itimerspec {
  111         struct l_timespec it_interval;
  112         struct l_timespec it_value;
  113 };
  114 
  115 int native_to_linux_timespec(struct l_timespec *,
  116                                      struct timespec *);
  117 int linux_to_native_timespec(struct timespec *,
  118                                      struct l_timespec *);
  119 int linux_to_native_clockid(clockid_t *, clockid_t);
  120 int native_to_linux_itimerspec(struct l_itimerspec *,
  121                                      struct itimerspec *);
  122 int linux_to_native_itimerspec(struct itimerspec *,
  123                                      struct l_itimerspec *);
  124 int linux_to_native_timerflags(int *, int);
  125 
  126 #endif  /* _LINUX_TIMER_H */

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FreeBSD/Linux Kernel Cross Reference sys/compat/linux/linux_timer.h

FreeBSD/Linux Kernel Cross Reference
sys/compat/linux/linux_timer.h