1*c9945492SAndroid Build Coastguard Worker #include <sys/select.h>
2*c9945492SAndroid Build Coastguard Worker #include <signal.h>
3*c9945492SAndroid Build Coastguard Worker #include <stdint.h>
4*c9945492SAndroid Build Coastguard Worker #include <errno.h>
5*c9945492SAndroid Build Coastguard Worker #include "syscall.h"
6*c9945492SAndroid Build Coastguard Worker
7*c9945492SAndroid Build Coastguard Worker #define IS32BIT(x) !((x)+0x80000000ULL>>32)
8*c9945492SAndroid Build Coastguard Worker #define CLAMP(x) (int)(IS32BIT(x) ? (x) : 0x7fffffffU+((0ULL+(x))>>63))
9*c9945492SAndroid Build Coastguard Worker
pselect(int n,fd_set * restrict rfds,fd_set * restrict wfds,fd_set * restrict efds,const struct timespec * restrict ts,const sigset_t * restrict mask)10*c9945492SAndroid Build Coastguard Worker int pselect(int n, fd_set *restrict rfds, fd_set *restrict wfds, fd_set *restrict efds, const struct timespec *restrict ts, const sigset_t *restrict mask)
11*c9945492SAndroid Build Coastguard Worker {
12*c9945492SAndroid Build Coastguard Worker syscall_arg_t data[2] = { (uintptr_t)mask, _NSIG/8 };
13*c9945492SAndroid Build Coastguard Worker time_t s = ts ? ts->tv_sec : 0;
14*c9945492SAndroid Build Coastguard Worker long ns = ts ? ts->tv_nsec : 0;
15*c9945492SAndroid Build Coastguard Worker #ifdef SYS_pselect6_time64
16*c9945492SAndroid Build Coastguard Worker int r = -ENOSYS;
17*c9945492SAndroid Build Coastguard Worker if (SYS_pselect6 == SYS_pselect6_time64 || !IS32BIT(s))
18*c9945492SAndroid Build Coastguard Worker r = __syscall_cp(SYS_pselect6_time64, n, rfds, wfds, efds,
19*c9945492SAndroid Build Coastguard Worker ts ? ((long long[]){s, ns}) : 0, data);
20*c9945492SAndroid Build Coastguard Worker if (SYS_pselect6 == SYS_pselect6_time64 || r!=-ENOSYS)
21*c9945492SAndroid Build Coastguard Worker return __syscall_ret(r);
22*c9945492SAndroid Build Coastguard Worker s = CLAMP(s);
23*c9945492SAndroid Build Coastguard Worker #endif
24*c9945492SAndroid Build Coastguard Worker return syscall_cp(SYS_pselect6, n, rfds, wfds, efds,
25*c9945492SAndroid Build Coastguard Worker ts ? ((long[]){s, ns}) : 0, data);
26*c9945492SAndroid Build Coastguard Worker }
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