src/select/poll.c

   1 #include <poll.h>
   2 #include <time.h>
   3 #include <signal.h>
   4 #include "syscall.h"
   5 #include "libc.h"
   6
   7 int poll(struct pollfd *fds, nfds_t n, int timeout)
   8 {
   9 #ifdef SYS_poll
  10         return syscall_cp(SYS_poll, fds, n, timeout);
  11 #else
  12         return syscall_cp(SYS_ppoll, fds, n, timeout>=0 ?
  13                 &((struct timespec){ .tv_sec = timeout/1000,
  14                 .tv_nsec = timeout%1000*1000000 }) : 0, 0, _NSIG/8);
  15 #endif
  16 }