1 /* 2 * Copyright (c) 2007 Ulrich Drepper <drepper (at) redhat.com> 3 * Copyright (c) 2008-2015 Dmitry V. Levin <ldv (at) altlinux.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "defs.h" 30 #include <fcntl.h> 31 #ifdef HAVE_SYS_EVENTFD_H 32 # include <sys/eventfd.h> 33 #endif 34 35 #include "xlat/efd_flags.h" 36 37 static int 38 do_eventfd(struct tcb *tcp, int flags_arg) 39 { 40 tprintf("%u", (unsigned int) tcp->u_arg[0]); 41 if (flags_arg >= 0) { 42 tprints(", "); 43 printflags(efd_flags, tcp->u_arg[flags_arg], "EFD_???"); 44 } 45 46 return RVAL_DECODED | RVAL_FD; 47 } 48 49 SYS_FUNC(eventfd) 50 { 51 return do_eventfd(tcp, -1); 52 } 53 54 SYS_FUNC(eventfd2) 55 { 56 return do_eventfd(tcp, 1); 57 } 58
