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