Commit f5334763 authored by Daniel Stenberg's avatar Daniel Stenberg
Browse files

Added comments about checking return code and the maxfd counter

parent efe3cb6e

docs/examples/10-at-a-time.c

+3 −0
Original line number Diff line number Diff line
@@ -123,6 +123,9 @@ int main(void) 
        return EXIT_FAILURE;

      }



      /* In a real-world program you OF COURSE check the return that maxfd is

         bigger than -1 so that the call to select() below makes sense! */



      if (curl_multi_timeout(cm, &L)) {

        fprintf(stderr, "E: curl_multi_timeout\n");

        return EXIT_FAILURE;

docs/examples/fopen.c

+4 −0
Original line number Diff line number Diff line
@@ -153,6 +153,10 @@ fill_buffer(URL_FILE *file,int want,int waittime) 
        /* get file descriptors from the transfers */

        curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);



        /* In a real-world program you OF COURSE check the return code of the

           function calls, *and* you make sure that maxfd is bigger than -1

           so that the call to select() below makes sense! */



        rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);



        switch(rc) {

docs/examples/multi-app.c

+4 −0
Original line number Diff line number Diff line
@@ -80,6 +80,10 @@ int main(int argc, char **argv) 
    /* get file descriptors from the transfers */

    curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);



    /* In a real-world program you OF COURSE check the return code of the

       function calls, *and* you make sure that maxfd is bigger than -1 so

       that the call to select() below makes sense! */



    rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);



    switch(rc) {

docs/examples/multi-debugcallback.c

+4 −0
Original line number Diff line number Diff line
@@ -153,6 +153,10 @@ int main(int argc, char **argv) 
    /* get file descriptors from the transfers */

    curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);



    /* In a real-world program you OF COURSE check the return code of the

       function calls, *and* you make sure that maxfd is bigger than -1

       so that the call to select() below makes sense! */



    rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);



    switch(rc) {

docs/examples/multi-double.c

+4 −0
Original line number Diff line number Diff line
@@ -71,6 +71,10 @@ int main(int argc, char **argv) 
    /* get file descriptors from the transfers */

    curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);



    /* In a real-world program you OF COURSE check the return code of the

       function calls, *and* you make sure that maxfd is bigger than -1 so

       that the call to select() below makes sense! */



    rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);



    switch(rc) {