blob: ba21b7bb9f1c93499f82929fe0e5ca2d21f9ab51 [file] [log] [blame]
/*
* Copyright (c) 1993 Ulrich Pegelow <pegelow@moorea.uni-muenster.de>
* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
* Copyright (c) 2003-2006 Roland McGrath <roland@redhat.com>
* Copyright (c) 2006-2015 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "defs.h"
#include "ipc_defs.h"
#ifdef HAVE_SYS_SEM_H
# include <sys/sem.h>
#elif defined HAVE_LINUX_SEM_H
# include <linux/sem.h>
#endif
#include "xlat/semctl_flags.h"
#include "xlat/semop_flags.h"
#if defined HAVE_SYS_SEM_H || defined HAVE_LINUX_SEM_H
static bool
print_sembuf(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
{
const struct sembuf *sb = elem_buf;
tprintf("{%u, %d, ", sb->sem_num, sb->sem_op);
printflags(semop_flags, (unsigned short) sb->sem_flg, "SEM_???");
tprints("}");
return true;
}
#endif
static void
tprint_sembuf_array(struct tcb *tcp, const long addr, const unsigned long count)
{
#if defined HAVE_SYS_SEM_H || defined HAVE_LINUX_SEM_H
struct sembuf sb;
print_array(tcp, addr, count, &sb, sizeof(sb),
umoven_or_printaddr, print_sembuf, 0);
#else
printaddr(addr);
#endif
tprintf(", %lu", count);
}
SYS_FUNC(semop)
{
tprintf("%lu, ", tcp->u_arg[0]);
if (indirect_ipccall(tcp)) {
tprint_sembuf_array(tcp, tcp->u_arg[3], tcp->u_arg[1]);
} else {
tprint_sembuf_array(tcp, tcp->u_arg[1], tcp->u_arg[2]);
}
return RVAL_DECODED;
}
SYS_FUNC(semtimedop)
{
tprintf("%lu, ", tcp->u_arg[0]);
if (indirect_ipccall(tcp)) {
tprint_sembuf_array(tcp, tcp->u_arg[3], tcp->u_arg[1]);
tprints(", ");
#if defined(S390) || defined(S390X)
print_timespec(tcp, tcp->u_arg[2]);
#else
print_timespec(tcp, tcp->u_arg[4]);
#endif
} else {
tprint_sembuf_array(tcp, tcp->u_arg[1], tcp->u_arg[2]);
tprints(", ");
print_timespec(tcp, tcp->u_arg[3]);
}
return RVAL_DECODED;
}
SYS_FUNC(semget)
{
if (tcp->u_arg[0])
tprintf("%#lx", tcp->u_arg[0]);
else
tprints("IPC_PRIVATE");
tprintf(", %lu, ", tcp->u_arg[1]);
if (printflags(resource_flags, tcp->u_arg[2] & ~0777, NULL) != 0)
tprints("|");
tprintf("%#lo", tcp->u_arg[2] & 0777);
return RVAL_DECODED;
}
SYS_FUNC(semctl)
{
tprintf("%lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
PRINTCTL(semctl_flags, tcp->u_arg[2], "SEM_???");
tprints(", ");
if (indirect_ipccall(tcp)) {
printnum_ptr(tcp, tcp->u_arg[3]);
} else {
tprintf("%#lx", tcp->u_arg[3]);
}
return RVAL_DECODED;
}