Dmitry V. Levin
d93c4e80b3
* aio.c (print_common_flags): Use #ifdef in the check for HAVE_STRUCT_IOCB_U_C_FLAGS. * defs.h: Use #ifdef in the check for HAVE_LITTLE_ENDIAN_LONG_LONG. * net.c: Use #ifdef in the check for HAVE_SENDMSG. * syscall.c (dumpio): Likewise. * printstat.h (DO_PRINTSTAT): Use #ifdef in checks for HAVE_STRUCT_STAT_ST_* macros. * util.c: Use #ifdef in checks for HAVE_SYS_XATTR_H.
269 lines
6.6 KiB
C
269 lines
6.6 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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* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
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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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#ifdef HAVE_LIBAIO_H
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# include <libaio.h>
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#endif
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/* Not defined in libaio.h */
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#ifndef IOCB_RESFD
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# define IOCB_RESFD (1 << 0)
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#endif
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SYS_FUNC(io_setup)
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{
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if (entering(tcp))
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tprintf("%ld, ", tcp->u_arg[0]);
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else {
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if (syserror(tcp))
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tprintf("0x%0lx", tcp->u_arg[1]);
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else {
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unsigned long user_id;
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if (umove(tcp, tcp->u_arg[1], &user_id) == 0)
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tprintf("{%lu}", user_id);
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else
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tprints("{...}");
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}
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}
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return 0;
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}
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SYS_FUNC(io_destroy)
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{
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if (entering(tcp))
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tprintf("%lu", tcp->u_arg[0]);
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return 0;
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}
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#ifdef HAVE_LIBAIO_H
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enum iocb_sub {
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SUB_NONE, SUB_COMMON, SUB_POLL, SUB_VECTOR
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};
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static enum iocb_sub
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tprint_lio_opcode(unsigned cmd)
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{
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static const struct {
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const char *name;
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enum iocb_sub sub;
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} cmds[] = {
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{ "pread", SUB_COMMON },
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{ "pwrite", SUB_COMMON },
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{ "fsync", SUB_NONE },
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{ "fdsync", SUB_NONE },
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{ "op4", SUB_NONE },
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{ "poll", SUB_POLL },
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{ "noop", SUB_NONE },
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{ "preadv", SUB_VECTOR },
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{ "pwritev", SUB_VECTOR },
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};
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if (cmd < ARRAY_SIZE(cmds)) {
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tprints(cmds[cmd].name);
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return cmds[cmd].sub;
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}
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tprintf("%u /* SUB_??? */", cmd);
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return SUB_NONE;
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}
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static void
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print_common_flags(struct iocb *iocb)
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{
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#ifdef HAVE_STRUCT_IOCB_U_C_FLAGS
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if (iocb->u.c.flags & IOCB_RESFD)
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tprintf(", resfd=%d", iocb->u.c.resfd);
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if (iocb->u.c.flags & ~IOCB_RESFD)
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tprintf(", flags=%x", iocb->u.c.flags);
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#else
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# warning "libaio.h is too old => limited io_submit decoding"
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#endif
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}
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#endif /* HAVE_LIBAIO_H */
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SYS_FUNC(io_submit)
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{
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if (entering(tcp)) {
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#ifdef HAVE_LIBAIO_H
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long nr = tcp->u_arg[1];
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/* if nr <= 0, we end up printing just "{}" */
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tprintf("%lu, %ld, {", tcp->u_arg[0], tcp->u_arg[1]);
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{
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long i;
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struct iocb **iocbs = (void *)tcp->u_arg[2];
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//FIXME: decoding of 32-bit call by 64-bit strace
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for (i = 0; i < nr; i++, iocbs++) {
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enum iocb_sub sub;
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struct iocb *iocbp;
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struct iocb iocb;
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if (i)
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tprints(", ");
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if (umove(tcp, (unsigned long)iocbs, &iocbp)) {
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tprintf("%#lx", (unsigned long)iocbs);
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/* No point in trying to read iocbs+1 etc */
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/* (nr can be ridiculously large): */
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break;
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}
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if (umove(tcp, (unsigned long)iocbp, &iocb)) {
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tprintf("{%#lx}", (unsigned long)iocbp);
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continue;
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}
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tprints("{");
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if (iocb.data)
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tprintf("data:%p, ", iocb.data);
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if (iocb.key)
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tprintf("key:%u, ", iocb.key);
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sub = tprint_lio_opcode(iocb.aio_lio_opcode);
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if (iocb.aio_reqprio)
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tprintf(", reqprio:%d", iocb.aio_reqprio);
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tprintf(", filedes:%d", iocb.aio_fildes);
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switch (sub) {
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case SUB_COMMON:
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#if HAVE_DECL_IO_CMD_PWRITE
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if (iocb.aio_lio_opcode == IO_CMD_PWRITE) {
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tprints(", str:");
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printstr(tcp, (unsigned long)iocb.u.c.buf,
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iocb.u.c.nbytes);
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} else
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#endif
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tprintf(", buf:%p", iocb.u.c.buf);
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tprintf(", nbytes:%lu, offset:%lld",
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iocb.u.c.nbytes,
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iocb.u.c.offset);
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print_common_flags(&iocb);
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break;
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case SUB_VECTOR:
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tprintf(", %lld", iocb.u.v.offset);
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print_common_flags(&iocb);
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tprints(", ");
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tprint_iov(tcp, iocb.u.v.nr,
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(unsigned long)iocb.u.v.vec,
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#if HAVE_DECL_IO_CMD_PWRITEV
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iocb.aio_lio_opcode == IO_CMD_PWRITEV
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#else
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0
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#endif
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);
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break;
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case SUB_POLL:
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tprintf(", %x", iocb.u.poll.events);
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break;
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case SUB_NONE:
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break;
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}
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tprints("}");
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}
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}
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tprints("}");
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#else
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# warning "libaio.h is not available => no io_submit decoding"
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tprintf("%lu, %ld, %#lx", tcp->u_arg[0], tcp->u_arg[1], tcp->u_arg[2]);
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#endif
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}
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return 0;
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}
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SYS_FUNC(io_cancel)
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{
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if (entering(tcp)) {
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#ifdef HAVE_LIBAIO_H
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struct iocb iocb;
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#endif
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tprintf("%lu, ", tcp->u_arg[0]);
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#ifdef HAVE_LIBAIO_H
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if (umove(tcp, tcp->u_arg[1], &iocb) == 0) {
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tprintf("{%p, %u, %u, %u, %d}, ",
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iocb.data, iocb.key,
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(unsigned)iocb.aio_lio_opcode,
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(unsigned)iocb.aio_reqprio, iocb.aio_fildes);
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} else
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#endif
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tprints("{...}, ");
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} else {
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if (tcp->u_rval < 0)
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tprints("{...}");
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else {
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#ifdef HAVE_LIBAIO_H
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struct io_event event;
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if (umove(tcp, tcp->u_arg[2], &event) == 0)
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tprintf("{%p, %p, %ld, %ld}",
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event.data, event.obj,
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event.res, event.res2);
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else
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#endif
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tprints("{...}");
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}
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}
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return 0;
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}
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SYS_FUNC(io_getevents)
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{
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if (entering(tcp)) {
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tprintf("%ld, %ld, %ld, ", tcp->u_arg[0], tcp->u_arg[1],
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tcp->u_arg[2]);
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} else {
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if (tcp->u_rval == 0) {
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tprints("{}");
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} else {
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#ifdef HAVE_LIBAIO_H
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struct io_event *events = (void *)tcp->u_arg[3];
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long i, nr = tcp->u_rval;
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for (i = 0; i < nr; i++, events++) {
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struct io_event event;
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if (i == 0)
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tprints("{");
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else
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tprints(", ");
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if (umove(tcp, (unsigned long)events, &event) != 0) {
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tprints("{...}");
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continue;
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}
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tprintf("{%p, %p, %ld, %ld}", event.data,
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event.obj, event.res, event.res2);
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}
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tprints("}, ");
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#else
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tprints("{...}");
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#endif
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}
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print_timespec(tcp, tcp->u_arg[4]);
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}
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return 0;
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}
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