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test536: do not fail with threaded DNS resolver

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Also tweaked comments in certain examples using curl_multi_fdset().
This commit is contained in:
Kamil Dudka
2010-04-24 12:14:21 +02:00
parent 71be565cf4
commit d487ade72c
8 changed files with 46 additions and 22 deletions
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8
docs/examples/fopen.c
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@@ -131,7 +131,6 @@ fill_buffer(URL_FILE *file,int want,int waittime)
fd_set fdread;
fd_set fdwrite;
fd_set fdexcep;
int maxfd;
struct timeval timeout;
int rc;
@@ -144,6 +143,7 @@ fill_buffer(URL_FILE *file,int want,int waittime)
/* attempt to fill buffer */
do
{
int maxfd = -1;
FD_ZERO(&fdread);
FD_ZERO(&fdwrite);
FD_ZERO(&fdexcep);
@@ -156,8 +156,10 @@ fill_buffer(URL_FILE *file,int want,int waittime)
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! */
function calls. On success, the value of maxfd is guaranteed to be
greater or equal than -1. We call select(maxfd + 1, ...), specially
in case of (maxfd == -1), we call select(0, ...), which is basically
equal to sleep. */
rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);