...lications—and this limitation will not change. All modern applications should instead use poll (2) or epoll (7), which do not suffer this limitation. select () allows a program …...lications—and this limitation will not change. All modern applications should instead use poll (2) or epoll (7), which do not suffer this limitation. select () allows a program …...lications—and this limitation will not change. All modern applications should instead use poll (2) or epoll (7), which do not suffer this limitation. select () allows a program …...lications—and this limitation will not change. All modern applications should instead use poll (2) or epoll (7), which do not suffer this limitation. select () allows a program …...fer is less than 8 bytes, or if an attempt is made to write the value 0xffffffffffffffff. poll (2) select (2) (and similar) The returned file descriptor supports poll (2) (and a…...fer is less than 8 bytes, or if an attempt is made to write the value 0xffffffffffffffff. poll (2) select (2) (and similar) The returned file descriptor supports poll (2) (and a…...no is set to indicate the error. ERRORS All errors for underlying functions ( sendto (2), poll (2), recvfrom (2), connect (2), read (2)) can occur. Moreover: EIO The number of r…...specify the parameters to be restrict ; that is specific to glibc. NOTES One can achieve polling by using a non-NULL timeout that specifies a zero time interval. If one or more …...tances in which a read (2) completes; there are four distinct cases: MIN == 0, TIME == 0 (polling read) If data is available, read (2) returns immediately, with the lesser of th…...tances in which a read (2) completes; there are four distinct cases: MIN == 0, TIME == 0 (polling read) If data is available, read (2) returns immediately, with the lesser of th…...tances in which a read (2) completes; there are four distinct cases: MIN == 0, TIME == 0 (polling read) If data is available, read (2) returns immediately, with the lesser of th…...tances in which a read (2) completes; there are four distinct cases: MIN == 0, TIME == 0 (polling read) If data is available, read (2) returns immediately, with the lesser of th…...tances in which a read (2) completes; there are four distinct cases: MIN == 0, TIME == 0 (polling read) If data is available, read (2) returns immediately, with the lesser of th…...tances in which a read (2) completes; there are four distinct cases: MIN == 0, TIME == 0 (polling read) If data is available, read (2) returns immediately, with the lesser of th…...tances in which a read (2) completes; there are four distinct cases: MIN == 0, TIME == 0 (polling read) If data is available, read (2) returns immediately, with the lesser of th…...tances in which a read (2) completes; there are four distinct cases: MIN == 0, TIME == 0 (polling read) If data is available, read (2) returns immediately, with the lesser of th…...tances in which a read (2) completes; there are four distinct cases: MIN == 0, TIME == 0 (polling read) If data is available, read (2) returns immediately, with the lesser of th…...tances in which a read (2) completes; there are four distinct cases: MIN == 0, TIME == 0 (polling read) If data is available, read (2) returns immediately, with the lesser of th…...tances in which a read (2) completes; there are four distinct cases: MIN == 0, TIME == 0 (polling read) If data is available, read (2) returns immediately, with the lesser of th…...tances in which a read (2) completes; there are four distinct cases: MIN == 0, TIME == 0 (polling read) If data is available, read (2) returns immediately, with the lesser of th…