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gerrit-public.fairphone.software / platform / external / strace / db9af94715b472c268dac3ce6f1f3fd41a844a07 / . / affinity.c
blob: 42cdd6cc6ebf3db55f8d8b587a9093bd3c0bda7d [file] [log] [blame]
Dmitry V. Levinb94b9832014-12-11 19:25:02 +0000[diff] [blame]1#include "defs.h"
2
3static void
Dmitry V. Levina52375f2015-07-20 19:22:10 +0000[diff] [blame]4print_affinitylist(struct tcb *tcp, const unsigned long addr, const unsigned int len)
Dmitry V. Levinb94b9832014-12-11 19:25:02 +0000[diff] [blame]5{
Dmitry V. Levina52375f2015-07-20 19:22:10 +0000[diff] [blame]6 unsigned long w;
7 const unsigned int size = len * sizeof(w);
8 const unsigned long end = addr + size;
9 unsigned long cur, abbrev_end;
Dmitry V. Levinb94b9832014-12-11 19:25:02 +0000[diff] [blame]10
Dmitry V. Levina52375f2015-07-20 19:22:10 +0000[diff] [blame]11 if (!verbose(tcp) || (exiting(tcp) && syserror(tcp)) ||
12 !addr || !len || size / sizeof(w) != len || end < addr) {
13 printaddr(addr);
14 return;
15 }
16
17 if (abbrev(tcp)) {
18 abbrev_end = addr + max_strlen * sizeof(w);
19 if (abbrev_end < addr)
20 abbrev_end = end;
21 } else {
22 abbrev_end = end;
23 }
24
25 tprints("[");
26 for (cur = addr; cur < end; cur += sizeof(w)) {
27 if (cur > addr)
Dmitry V. Levinb94b9832014-12-11 19:25:02 +0000[diff] [blame]28 tprints(", ");
Dmitry V. Levina52375f2015-07-20 19:22:10 +0000[diff] [blame]29 if (cur >= abbrev_end) {
30 tprints("...");
31 break;
32 }
33 if (umove_or_printaddr(tcp, cur, &w))
34 break;
Dmitry V. Levinb94b9832014-12-11 19:25:02 +0000[diff] [blame]35 tprintf("%lx", w);
36 }
Dmitry V. Levina52375f2015-07-20 19:22:10 +0000[diff] [blame]37 tprints("]");
Dmitry V. Levinb94b9832014-12-11 19:25:02 +0000[diff] [blame]38}
39
Dmitry V. Levina0bd3742015-04-07 01:36:50 +0000[diff] [blame]40SYS_FUNC(sched_setaffinity)
Dmitry V. Levinb94b9832014-12-11 19:25:02 +0000[diff] [blame]41{
Dmitry V. Levin8aa2a812015-07-20 19:24:43 +0000[diff] [blame]42 tprintf("%ld, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
43 print_affinitylist(tcp, tcp->u_arg[2], tcp->u_arg[1]);
44
45 return RVAL_DECODED;
Dmitry V. Levinb94b9832014-12-11 19:25:02 +0000[diff] [blame]46}
47
Dmitry V. Levina0bd3742015-04-07 01:36:50 +0000[diff] [blame]48SYS_FUNC(sched_getaffinity)
Dmitry V. Levinb94b9832014-12-11 19:25:02 +0000[diff] [blame]49{
50 if (entering(tcp)) {
51 tprintf("%ld, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
52 } else {
Dmitry V. Levina52375f2015-07-20 19:22:10 +0000[diff] [blame]53 print_affinitylist(tcp, tcp->u_arg[2], tcp->u_rval);
Dmitry V. Levinb94b9832014-12-11 19:25:02 +0000[diff] [blame]54 }
55 return 0;
56}