xref: /aosp_15_r20/external/musl/src/select/poll.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #include <poll.h>
2*c9945492SAndroid Build Coastguard Worker #include <time.h>
3*c9945492SAndroid Build Coastguard Worker #include <signal.h>
4*c9945492SAndroid Build Coastguard Worker #include "syscall.h"
5*c9945492SAndroid Build Coastguard Worker 
poll(struct pollfd * fds,nfds_t n,int timeout)6*c9945492SAndroid Build Coastguard Worker int poll(struct pollfd *fds, nfds_t n, int timeout)
7*c9945492SAndroid Build Coastguard Worker {
8*c9945492SAndroid Build Coastguard Worker #ifdef SYS_poll
9*c9945492SAndroid Build Coastguard Worker 	return syscall_cp(SYS_poll, fds, n, timeout);
10*c9945492SAndroid Build Coastguard Worker #else
11*c9945492SAndroid Build Coastguard Worker #if SYS_ppoll_time64 == SYS_ppoll
12*c9945492SAndroid Build Coastguard Worker 	typedef long long ppoll_ts_t[2];
13*c9945492SAndroid Build Coastguard Worker #else
14*c9945492SAndroid Build Coastguard Worker 	typedef long ppoll_ts_t[2];
15*c9945492SAndroid Build Coastguard Worker #endif
16*c9945492SAndroid Build Coastguard Worker 	return syscall_cp(SYS_ppoll, fds, n, timeout>=0 ?
17*c9945492SAndroid Build Coastguard Worker 		((ppoll_ts_t){ timeout/1000, timeout%1000*1000000 }) : 0,
18*c9945492SAndroid Build Coastguard Worker 		0, _NSIG/8);
19*c9945492SAndroid Build Coastguard Worker #endif
20*c9945492SAndroid Build Coastguard Worker }
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