1 #include "timeoutwrite.h"

     2 #include "select.h"

     3 #include "error.h"

     4 #include "readwrite.h"

     5 

     6 int timeoutwrite(t,fd,buf,len) int t; int fd; char *buf; int len;

     7 {

     8   fd_set wfds;

     9   struct timeval tv;

    10 

    11   tv.tv_sec = t;

    12   tv.tv_usec = 0;

    13 

    14   FD_ZERO(&wfds);

    15   FD_SET(fd,&wfds);

    16 

    17   if (select(fd + 1,(fd_set *) 0,&wfds,(fd_set *) 0,&tv) == -1) return -1;

    18   if (FD_ISSET(fd,&wfds)) return write(fd,buf,len);

    19 

    20   errno = error_timeout;

    21   return -1;

    22 }