diff options
Diffstat (limited to 'src/time/timer_settime.c')
| -rw-r--r-- | src/time/timer_settime.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/time/timer_settime.c b/src/time/timer_settime.c index 62631aa4..373f00ce 100644 --- a/src/time/timer_settime.c +++ b/src/time/timer_settime.c @@ -2,11 +2,36 @@ #include <limits.h> #include "pthread_impl.h" +#define IS32BIT(x) !((x)+0x80000000ULL>>32) + int timer_settime(timer_t t, int flags, const struct itimerspec *restrict val, struct itimerspec *restrict old) { if ((intptr_t)t < 0) { pthread_t td = (void *)((uintptr_t)t << 1); t = (void *)(uintptr_t)(td->timer_id & INT_MAX); } +#ifdef SYS_timer_settime64 + time_t is = val->it_interval.tv_sec, vs = val->it_value.tv_sec; + long ins = val->it_interval.tv_nsec, vns = val->it_value.tv_nsec; + int r = -ENOSYS; + if (SYS_timer_settime == SYS_timer_settime64 + || !IS32BIT(is) || !IS32BIT(vs) || (sizeof(time_t)>4 && old)) + r = __syscall(SYS_timer_settime64, t, flags, + ((long long[]){is, ins, vs, vns}), old); + if (SYS_timer_settime == SYS_timer_settime64 || r!=-ENOSYS) + return __syscall_ret(r); + if (!IS32BIT(is) || !IS32BIT(vs)) + return __syscall_ret(-ENOTSUP); + long old32[4]; + r = __syscall(SYS_timer_settime, t, flags, + ((long[]){is, ins, vs, vns}), old32); + if (!r && old) { + old->it_interval.tv_sec = old32[0]; + old->it_interval.tv_nsec = old32[1]; + old->it_value.tv_sec = old32[2]; + old->it_value.tv_nsec = old32[3]; + } + return __syscall_ret(r); +#endif return syscall(SYS_timer_settime, t, flags, val, old); } |