1#include <sys/time.h> 2#include <errno.h> 3#include "syscall.h" 4 5#define IS32BIT(x) !((x)+0x80000000ULL>>32) 6 7int setitimer(int which, const struct itimerval *restrict new, struct itimerval *restrict old) 8{ 9#ifndef __LITEOS_A__ 10 if (sizeof(time_t) > sizeof(long)) { 11 time_t is = new->it_interval.tv_sec, vs = new->it_value.tv_sec; 12 long ius = new->it_interval.tv_usec, vus = new->it_value.tv_usec; 13 if (!IS32BIT(is) || !IS32BIT(vs)) 14 return __syscall_ret(-ENOTSUP); 15 long old32[4]; 16 int r = __syscall(SYS_setitimer, which, 17 ((long[]){is, ius, vs, vus}), old32); 18 if (!r && old) { 19 old->it_interval.tv_sec = old32[0]; 20 old->it_interval.tv_usec = old32[1]; 21 old->it_value.tv_sec = old32[2]; 22 old->it_value.tv_usec = old32[3]; 23 } 24 return __syscall_ret(r); 25 } 26#endif 27 return syscall(SYS_setitimer, which, new, old); 28} 29