Dmitry V. Levin
b93d52fe3d
strace is now provided under the terms of the GNU Lesser General Public License version 2.1 or later, see COPYING for more details. strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
42 lines
816 B
C
42 lines
816 B
C
/*
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* Copyright (c) 2008-2015 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2015-2017 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#include "defs.h"
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#include <fcntl.h>
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#ifdef HAVE_SYS_SIGNALFD_H
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# include <sys/signalfd.h>
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#endif
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#include "xlat/sfd_flags.h"
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static int
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do_signalfd(struct tcb *tcp, int flags_arg)
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{
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/* NB: kernel requires arg[2] == NSIG_BYTES */
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printfd(tcp, tcp->u_arg[0]);
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tprints(", ");
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print_sigset_addr_len(tcp, tcp->u_arg[1], tcp->u_arg[2]);
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tprintf(", %" PRI_klu, tcp->u_arg[2]);
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if (flags_arg >= 0) {
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tprints(", ");
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printflags(sfd_flags, tcp->u_arg[flags_arg], "SFD_???");
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}
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return RVAL_DECODED | RVAL_FD;
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}
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SYS_FUNC(signalfd)
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{
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return do_signalfd(tcp, -1);
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}
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SYS_FUNC(signalfd4)
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{
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return do_signalfd(tcp, 3);
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}
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