Dmitry V. Levin
2950de3631
* print_time.c (sprint_timespec): New mpers printer. * defs.h (TIMESPEC_TEXT_BUFSIZE): Update. (sprint_timespec): Remove. * time.c (sprint_timespec): Remove. * net.c (sys_recvmmsg): Update callers. * poll.c (decode_poll_exiting): Likewise.
420 lines
8.9 KiB
C
420 lines
8.9 KiB
C
/*
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* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
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* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
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* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
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* All rights reserved.
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*
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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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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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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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*/
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#include "defs.h"
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#include <fcntl.h>
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#include <signal.h>
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#include <sys/timex.h>
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#ifndef UTIME_NOW
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#define UTIME_NOW ((1l << 30) - 1l)
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#endif
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#ifndef UTIME_OMIT
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#define UTIME_OMIT ((1l << 30) - 2l)
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#endif
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#if SUPPORTED_PERSONALITIES > 1
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# if defined X86_64 || defined X32
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# define current_time_t_is_compat (current_personality == 1)
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# else
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# define current_time_t_is_compat (current_wordsize == 4)
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# endif
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#else
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# define current_time_t_is_compat 0
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#endif
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struct timeval32
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{
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u_int32_t tv_sec, tv_usec;
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};
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void
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printtv_bitness(struct tcb *tcp, long addr, enum bitness_t bitness, int special)
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{
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char buf[TIMEVAL_TEXT_BUFSIZE];
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sprinttv(buf, tcp, addr, bitness, special);
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tprints(buf);
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}
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static char *
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do_sprinttv(char *buf, const uintmax_t sec, const uintmax_t usec,
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const int special)
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{
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if (special) {
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switch (usec) {
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case UTIME_NOW:
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return stpcpy(buf, "UTIME_NOW");
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case UTIME_OMIT:
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return stpcpy(buf, "UTIME_OMIT");
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}
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}
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return buf + sprintf(buf, "{%ju, %ju}", sec, usec);
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}
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char *
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sprinttv(char *buf, struct tcb *tcp, long addr, enum bitness_t bitness, int special)
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{
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if (addr == 0)
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return stpcpy(buf, "NULL");
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if (!verbose(tcp) || (exiting(tcp) && syserror(tcp)))
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return buf + sprintf(buf, "%#lx", addr);
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if (bitness == BITNESS_32 || current_time_t_is_compat)
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{
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struct timeval32 tv;
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if (umove(tcp, addr, &tv) >= 0)
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return do_sprinttv(buf, tv.tv_sec, tv.tv_usec, special);
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} else {
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struct timeval tv;
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if (umove(tcp, addr, &tv) >= 0)
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return do_sprinttv(buf, tv.tv_sec, tv.tv_usec, special);
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}
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return buf + sprintf(buf, "%#lx", addr);
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}
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static void
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print_timezone(struct tcb *tcp, const long addr)
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{
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struct timezone tz;
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if (umove_or_printaddr(tcp, addr, &tz))
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return;
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tprintf("{tz_minuteswest=%d, tz_dsttime=%d}",
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tz.tz_minuteswest, tz.tz_dsttime);
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}
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SYS_FUNC(gettimeofday)
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{
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if (exiting(tcp)) {
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print_timeval(tcp, tcp->u_arg[0]);
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tprints(", ");
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print_timezone(tcp, tcp->u_arg[1]);
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}
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return 0;
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}
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#ifdef ALPHA
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SYS_FUNC(osf_gettimeofday)
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{
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if (exiting(tcp)) {
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print_timeval32(tcp, tcp->u_arg[0]);
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tprints(", ");
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print_timezone(tcp, tcp->u_arg[1]);
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}
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return 0;
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}
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#endif
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SYS_FUNC(settimeofday)
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{
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print_timeval(tcp, tcp->u_arg[0]);
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tprints(", ");
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print_timezone(tcp, tcp->u_arg[1]);
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return RVAL_DECODED;
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}
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#ifdef ALPHA
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SYS_FUNC(osf_settimeofday)
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{
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print_timeval32(tcp, tcp->u_arg[0]);
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tprints(", ");
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print_timezone(tcp, tcp->u_arg[1]);
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return RVAL_DECODED;
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}
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#endif
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SYS_FUNC(nanosleep)
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{
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if (entering(tcp)) {
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print_timespec(tcp, tcp->u_arg[0]);
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tprints(", ");
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} else {
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/*
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* Second (returned) timespec is only significant if syscall
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* was interrupted. On success and in case of other errors we
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* print only its address, since kernel doesn't modify it,
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* and printing the value may show uninitialized data.
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*/
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if (is_erestart(tcp)) {
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temporarily_clear_syserror(tcp);
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print_timespec(tcp, tcp->u_arg[1]);
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restore_cleared_syserror(tcp);
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} else {
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printaddr(tcp->u_arg[1]);
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}
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}
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return 0;
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}
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#include "xlat/itimer_which.h"
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SYS_FUNC(getitimer)
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{
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if (entering(tcp)) {
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printxval(itimer_which, tcp->u_arg[0], "ITIMER_???");
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tprints(", ");
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} else {
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print_itimerval(tcp, tcp->u_arg[1]);
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}
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return 0;
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}
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#ifdef ALPHA
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SYS_FUNC(osf_getitimer)
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{
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if (entering(tcp)) {
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printxval(itimer_which, tcp->u_arg[0], "ITIMER_???");
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tprints(", ");
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} else {
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print_itimerval32(tcp, tcp->u_arg[1]);
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}
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return 0;
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}
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#endif
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SYS_FUNC(setitimer)
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{
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if (entering(tcp)) {
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printxval(itimer_which, tcp->u_arg[0], "ITIMER_???");
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tprints(", ");
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print_itimerval(tcp, tcp->u_arg[1]);
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tprints(", ");
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} else {
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print_itimerval(tcp, tcp->u_arg[2]);
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}
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return 0;
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}
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#ifdef ALPHA
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SYS_FUNC(osf_setitimer)
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{
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if (entering(tcp)) {
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printxval(itimer_which, tcp->u_arg[0], "ITIMER_???");
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tprints(", ");
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print_itimerval32(tcp, tcp->u_arg[1]);
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tprints(", ");
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} else {
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print_itimerval32(tcp, tcp->u_arg[2]);
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}
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return 0;
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}
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#endif
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#include "xlat/adjtimex_state.h"
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static int
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do_adjtimex(struct tcb *tcp, long addr)
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{
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if (print_timex(tcp, addr))
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return 0;
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tcp->auxstr = xlookup(adjtimex_state, tcp->u_rval);
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if (tcp->auxstr)
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return RVAL_STR;
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return 0;
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}
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SYS_FUNC(adjtimex)
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{
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if (exiting(tcp))
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return do_adjtimex(tcp, tcp->u_arg[0]);
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return 0;
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}
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#include "xlat/clockflags.h"
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#include "xlat/clocknames.h"
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static void
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printclockname(int clockid)
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{
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#ifdef CLOCKID_TO_FD
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# include "xlat/cpuclocknames.h"
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if (clockid < 0) {
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if ((clockid & CLOCKFD_MASK) == CLOCKFD)
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tprintf("FD_TO_CLOCKID(%d)", CLOCKID_TO_FD(clockid));
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else {
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if(CPUCLOCK_PERTHREAD(clockid))
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tprintf("MAKE_THREAD_CPUCLOCK(%d,", CPUCLOCK_PID(clockid));
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else
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tprintf("MAKE_PROCESS_CPUCLOCK(%d,", CPUCLOCK_PID(clockid));
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printxval(cpuclocknames, clockid & CLOCKFD_MASK, "CPUCLOCK_???");
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tprints(")");
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}
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}
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else
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#endif
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printxval(clocknames, clockid, "CLOCK_???");
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}
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SYS_FUNC(clock_settime)
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{
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printclockname(tcp->u_arg[0]);
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tprints(", ");
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print_timespec(tcp, tcp->u_arg[1]);
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return RVAL_DECODED;
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}
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SYS_FUNC(clock_gettime)
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{
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if (entering(tcp)) {
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printclockname(tcp->u_arg[0]);
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tprints(", ");
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} else {
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print_timespec(tcp, tcp->u_arg[1]);
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}
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return 0;
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}
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SYS_FUNC(clock_nanosleep)
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{
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if (entering(tcp)) {
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printclockname(tcp->u_arg[0]);
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tprints(", ");
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printflags(clockflags, tcp->u_arg[1], "TIMER_???");
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tprints(", ");
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print_timespec(tcp, tcp->u_arg[2]);
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tprints(", ");
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} else {
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/*
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* Second (returned) timespec is only significant
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* if syscall was interrupted and flags is not TIMER_ABSTIME.
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*/
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if (!tcp->u_arg[1] && is_erestart(tcp)) {
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temporarily_clear_syserror(tcp);
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print_timespec(tcp, tcp->u_arg[3]);
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restore_cleared_syserror(tcp);
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} else {
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printaddr(tcp->u_arg[3]);
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}
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}
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return 0;
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}
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SYS_FUNC(clock_adjtime)
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{
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if (exiting(tcp))
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return do_adjtimex(tcp, tcp->u_arg[1]);
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printclockname(tcp->u_arg[0]);
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tprints(", ");
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return 0;
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}
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SYS_FUNC(timer_create)
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{
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if (entering(tcp)) {
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printclockname(tcp->u_arg[0]);
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tprints(", ");
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print_sigevent(tcp, tcp->u_arg[1]);
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tprints(", ");
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} else {
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printnum_int(tcp, tcp->u_arg[2], "%d");
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}
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return 0;
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}
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SYS_FUNC(timer_settime)
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{
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if (entering(tcp)) {
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tprintf("%d, ", (int) tcp->u_arg[0]);
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printflags(clockflags, tcp->u_arg[1], "TIMER_???");
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tprints(", ");
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print_itimerspec(tcp, tcp->u_arg[2]);
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tprints(", ");
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} else {
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print_itimerspec(tcp, tcp->u_arg[3]);
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}
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return 0;
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}
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SYS_FUNC(timer_gettime)
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{
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if (entering(tcp)) {
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tprintf("%d, ", (int) tcp->u_arg[0]);
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} else {
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print_itimerspec(tcp, tcp->u_arg[1]);
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}
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return 0;
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}
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#include "xlat/timerfdflags.h"
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SYS_FUNC(timerfd)
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{
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tprintf("%ld, ", tcp->u_arg[0]);
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printclockname(tcp->u_arg[0]);
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tprints(", ");
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printflags(timerfdflags, tcp->u_arg[2], "TFD_???");
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tprints(", ");
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print_itimerspec(tcp, tcp->u_arg[3]);
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return RVAL_DECODED | RVAL_FD;
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}
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SYS_FUNC(timerfd_create)
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{
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printclockname(tcp->u_arg[0]);
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tprints(", ");
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printflags(timerfdflags, tcp->u_arg[1], "TFD_???");
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return RVAL_DECODED | RVAL_FD;
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}
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SYS_FUNC(timerfd_settime)
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{
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printfd(tcp, tcp->u_arg[0]);
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tprints(", ");
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printflags(timerfdflags, tcp->u_arg[1], "TFD_???");
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tprints(", ");
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print_itimerspec(tcp, tcp->u_arg[2]);
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tprints(", ");
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print_itimerspec(tcp, tcp->u_arg[3]);
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return RVAL_DECODED;
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}
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SYS_FUNC(timerfd_gettime)
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{
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if (entering(tcp)) {
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printfd(tcp, tcp->u_arg[0]);
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tprints(", ");
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} else {
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print_itimerspec(tcp, tcp->u_arg[1]);
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}
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return 0;
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}
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