diff options
| -rw-r--r-- | lib/trace-cmd/trace-timesync.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/trace-cmd/trace-timesync.c b/lib/trace-cmd/trace-timesync.c index cc44af38..bbefda20 100644 --- a/lib/trace-cmd/trace-timesync.c +++ b/lib/trace-cmd/trace-timesync.c @@ -41,6 +41,28 @@ struct tsync_probe_request_msg { unsigned short cpu; } __packed; +#ifdef __ANDROID__ +#define __NR_sched_setaffinity 122 +#define __NR_sched_getaffinity 123 + +static int pthread_setaffinity_np(pthread_t thread, size_t cpusetsize, const cpu_set_t *cpuset) +{ + return -syscall(__NR_sched_setaffinity, thread, cpusetsize, cpuset); +} + +static int pthread_getaffinity_np(pthread_t thread, size_t cpusetsize, const cpu_set_t *cpuset) +{ + long ret = syscall(__NR_sched_getaffinity, thread, cpusetsize, cpuset); + + if (ret < 0) + return ret; + if (ret < cpusetsize) + memset((char *)cpuset+ret, 0, cpusetsize-ret); + + return 0; +} +#endif /* __ANDROID__ */ + static struct tsync_proto *tsync_proto_list; static struct tsync_proto *tsync_proto_find(const char *proto_name) |