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Commit | Line | Data |
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320054e8 DG |
1 | #include <time.h> |
2 | #include <limits.h> | |
3 | #include "pthread_impl.h" | |
4 | ||
79a9b408 DG |
5 | #define IS32BIT(x) !((x)+0x80000000ULL>>32) |
6 | ||
320054e8 DG |
7 | int timer_settime(timer_t t, int flags, const struct itimerspec *restrict val, struct itimerspec *restrict old) |
8 | { | |
9 | if ((intptr_t)t < 0) { | |
10 | pthread_t td = (void *)((uintptr_t)t << 1); | |
11 | t = (void *)(uintptr_t)(td->timer_id & INT_MAX); | |
12 | } | |
79a9b408 DG |
13 | #ifdef SYS_timer_settime64 |
14 | time_t is = val->it_interval.tv_sec, vs = val->it_value.tv_sec; | |
15 | long ins = val->it_interval.tv_nsec, vns = val->it_value.tv_nsec; | |
16 | int r = -ENOSYS; | |
17 | if (SYS_timer_settime == SYS_timer_settime64 | |
18 | || !IS32BIT(is) || !IS32BIT(vs) || (sizeof(time_t)>4 && old)) | |
19 | r = __syscall(SYS_timer_settime64, t, flags, | |
20 | ((long long[]){is, ins, vs, vns}), old); | |
21 | if (SYS_timer_settime == SYS_timer_settime64 || r!=-ENOSYS) | |
22 | return __syscall_ret(r); | |
23 | if (!IS32BIT(is) || !IS32BIT(vs)) | |
24 | return __syscall_ret(-ENOTSUP); | |
25 | long old32[4]; | |
26 | r = __syscall(SYS_timer_settime, t, flags, | |
27 | ((long[]){is, ins, vs, vns}), old32); | |
28 | if (!r && old) { | |
29 | old->it_interval.tv_sec = old32[0]; | |
30 | old->it_interval.tv_nsec = old32[1]; | |
31 | old->it_value.tv_sec = old32[2]; | |
32 | old->it_value.tv_nsec = old32[3]; | |
33 | } | |
34 | return __syscall_ret(r); | |
35 | #endif | |
320054e8 DG |
36 | return syscall(SYS_timer_settime, t, flags, val, old); |
37 | } |