7 #define IS32BIT(x) !((x)+0x80000000ULL>>32)
8 #define CLAMP(x) (int)(IS32BIT(x) ? (x) : 0x7fffffffU+((0ULL+(x))>>63))
10 #if !defined(SYS_semtimedop) && !defined(SYS_ipc)
16 int semtimedop(int id
, struct sembuf
*buf
, size_t n
, const struct timespec
*ts
)
18 #ifdef SYS_semtimedop_time64
19 time_t s
= ts
? ts
->tv_sec
: 0;
20 long ns
= ts
? ts
->tv_nsec
: 0;
22 if (NO_TIME32
|| !IS32BIT(s
))
23 r
= __syscall(SYS_semtimedop_time64
, id
, buf
, n
,
24 ts
? ((long long[]){s
, ns
}) : 0);
25 if (NO_TIME32
|| r
!=-ENOSYS
) return __syscall_ret(r
);
26 ts
= ts
? (void *)(long[]){CLAMP(s
), ns
} : 0;
29 return syscall(SYS_ipc
, IPCOP_semtimedop
, id
, n
, 0, buf
, ts
);
30 #elif defined(SYS_semtimedop)
31 return syscall(SYS_semtimedop
, id
, buf
, n
, ts
);
33 return __syscall_ret(-ENOSYS
);