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#include <sys/time.h> #include <errno.h> #include "syscall.h" #define IS32BIT(x) !((x)+0x80000000ULL>>32) int setitimer(int which, const struct itimerval *restrict new, struct itimerval *restrict old) { if (sizeof(time_t) > sizeof(long)) { time_t is = new->it_interval.tv_sec, vs = new->it_value.tv_sec; long ius = new->it_interval.tv_usec, vus = new->it_value.tv_usec; if (!IS32BIT(is) || !IS32BIT(vs)) return __syscall_ret(-ENOTSUP); long old32[4]; int r = __syscall(SYS_setitimer, which, ((long[]){is, ius, vs, vus}), old32); if (!r && old) { old->it_interval.tv_sec = old32[0]; old->it_interval.tv_usec = old32[1]; old->it_value.tv_sec = old32[2]; old->it_value.tv_usec = old32[3]; } return __syscall_ret(r); } return syscall(SYS_setitimer, which, new, old); } |