1 /* 2 * Copyright (c) 2002-2004 Roland McGrath <roland (at) redhat.com> 3 * Copyright (c) 2009-2015 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 31 static void 32 print_affinitylist(struct tcb *tcp, const unsigned long addr, const unsigned int len) 33 { 34 unsigned long w; 35 const unsigned int size = len * sizeof(w); 36 const unsigned long end = addr + size; 37 unsigned long cur, abbrev_end; 38 39 if (!verbose(tcp) || (exiting(tcp) && syserror(tcp)) || 40 !addr || !len || size / sizeof(w) != len || end < addr) { 41 printaddr(addr); 42 return; 43 } 44 45 if (abbrev(tcp)) { 46 abbrev_end = addr + max_strlen * sizeof(w); 47 if (abbrev_end < addr) 48 abbrev_end = end; 49 } else { 50 abbrev_end = end; 51 } 52 53 tprints("["); 54 for (cur = addr; cur < end; cur += sizeof(w)) { 55 if (cur > addr) 56 tprints(", "); 57 if (cur >= abbrev_end) { 58 tprints("..."); 59 break; 60 } 61 if (umove_or_printaddr(tcp, cur, &w)) 62 break; 63 tprintf("%lx", w); 64 } 65 tprints("]"); 66 } 67 68 SYS_FUNC(sched_setaffinity) 69 { 70 tprintf("%ld, %lu, ", tcp->u_arg[0], tcp->u_arg[1]); 71 print_affinitylist(tcp, tcp->u_arg[2], tcp->u_arg[1]); 72 73 return RVAL_DECODED; 74 } 75 76 SYS_FUNC(sched_getaffinity) 77 { 78 if (entering(tcp)) { 79 tprintf("%ld, %lu, ", tcp->u_arg[0], tcp->u_arg[1]); 80 } else { 81 print_affinitylist(tcp, tcp->u_arg[2], tcp->u_rval); 82 } 83 return 0; 84 } 85
