lib/posixcompat/select.c

39 static int check_fds(int maxfdp1, fd_set *readfds, fd_set *writefds,
40                      fd_set *exceptfds);
42 static void debug_print_fdsets(int maxfdp1, fd_set *readfds, fd_set *writefds,
43                                fd_set *exceptfds);
47 static int pack_on_waitset(int maxfdp1, fd_set *readfds, fd_set *writefds,
48                            fd_set *exceptfds, fd_set *changed_ws[],
54 static int update_waitset(int maxfdp1, fd_set *readfds, fd_set *writefds,
55                           fd_set *exceptfds, fd_set *changed_ws[],
59 static inline void zero_fdsets(fd_set *readfds, fd_set *writefds,
60                                fd_set *exceptfds);
76 int select(int maxfdp1, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
110     fd_set changed_read_ws;
111     fd_set changed_write_ws;
112     fd_set *changed_ws[2];
400 static int check_fds(int maxfdp1, fd_set *readfds, fd_set *writefds,
401                      fd_set *exceptfds)
404     fd_set oreadfds, owritefds, oexceptfds;
564             memcpy(readfds, &oreadfds, sizeof(fd_set));
567             memcpy(writefds, &owritefds, sizeof(fd_set));
570             memcpy(exceptfds, &oexceptfds, sizeof(fd_set));
592 static int pack_on_waitset(int maxfdp1, fd_set *readfds, fd_set *writefds,
593                            fd_set *exceptfds, fd_set *changed_ws[],
864 static int update_waitset(int maxfdp1, fd_set *readfds, fd_set *writefds,
865                           fd_set *exceptfds, fd_set *changed_ws[],
994 static inline void zero_fdsets(fd_set *readfds, fd_set *writefds,
995                                fd_set *exceptfds)
1012                                   fd_set *fdset)
1078                                          fd_set *fdset)
1085 static void debug_print_fdsets(int maxfdp1, fd_set *readfds, fd_set *writefds,
1086                                fd_set *exceptfds)
1098 static inline void debug_print_fdsets(int maxfdp1, fd_set *readfds,
1099                                      fd_set *writefds, fd_set *exceptfds)