1*c9945492SAndroid Build Coastguard Worker #include <time.h>
2*c9945492SAndroid Build Coastguard Worker #include <limits.h>
3*c9945492SAndroid Build Coastguard Worker #include "pthread_impl.h"
4*c9945492SAndroid Build Coastguard Worker
5*c9945492SAndroid Build Coastguard Worker #define IS32BIT(x) !((x)+0x80000000ULL>>32)
6*c9945492SAndroid Build Coastguard Worker
timer_settime(timer_t t,int flags,const struct itimerspec * restrict val,struct itimerspec * restrict old)7*c9945492SAndroid Build Coastguard Worker int timer_settime(timer_t t, int flags, const struct itimerspec *restrict val, struct itimerspec *restrict old)
8*c9945492SAndroid Build Coastguard Worker {
9*c9945492SAndroid Build Coastguard Worker if ((intptr_t)t < 0) {
10*c9945492SAndroid Build Coastguard Worker pthread_t td = (void *)((uintptr_t)t << 1);
11*c9945492SAndroid Build Coastguard Worker t = (void *)(uintptr_t)(td->timer_id & INT_MAX);
12*c9945492SAndroid Build Coastguard Worker }
13*c9945492SAndroid Build Coastguard Worker #ifdef SYS_timer_settime64
14*c9945492SAndroid Build Coastguard Worker time_t is = val->it_interval.tv_sec, vs = val->it_value.tv_sec;
15*c9945492SAndroid Build Coastguard Worker long ins = val->it_interval.tv_nsec, vns = val->it_value.tv_nsec;
16*c9945492SAndroid Build Coastguard Worker int r = -ENOSYS;
17*c9945492SAndroid Build Coastguard Worker if (SYS_timer_settime == SYS_timer_settime64
18*c9945492SAndroid Build Coastguard Worker || !IS32BIT(is) || !IS32BIT(vs) || (sizeof(time_t)>4 && old))
19*c9945492SAndroid Build Coastguard Worker r = __syscall(SYS_timer_settime64, t, flags,
20*c9945492SAndroid Build Coastguard Worker ((long long[]){is, ins, vs, vns}), old);
21*c9945492SAndroid Build Coastguard Worker if (SYS_timer_settime == SYS_timer_settime64 || r!=-ENOSYS)
22*c9945492SAndroid Build Coastguard Worker return __syscall_ret(r);
23*c9945492SAndroid Build Coastguard Worker if (!IS32BIT(is) || !IS32BIT(vs))
24*c9945492SAndroid Build Coastguard Worker return __syscall_ret(-ENOTSUP);
25*c9945492SAndroid Build Coastguard Worker long old32[4];
26*c9945492SAndroid Build Coastguard Worker r = __syscall(SYS_timer_settime, t, flags,
27*c9945492SAndroid Build Coastguard Worker ((long[]){is, ins, vs, vns}), old32);
28*c9945492SAndroid Build Coastguard Worker if (!r && old) {
29*c9945492SAndroid Build Coastguard Worker old->it_interval.tv_sec = old32[0];
30*c9945492SAndroid Build Coastguard Worker old->it_interval.tv_nsec = old32[1];
31*c9945492SAndroid Build Coastguard Worker old->it_value.tv_sec = old32[2];
32*c9945492SAndroid Build Coastguard Worker old->it_value.tv_nsec = old32[3];
33*c9945492SAndroid Build Coastguard Worker }
34*c9945492SAndroid Build Coastguard Worker return __syscall_ret(r);
35*c9945492SAndroid Build Coastguard Worker #endif
36*c9945492SAndroid Build Coastguard Worker return syscall(SYS_timer_settime, t, flags, val, old);
37*c9945492SAndroid Build Coastguard Worker }
38