diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/libcurl/curl_multi_perform.3 | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/docs/libcurl/curl_multi_perform.3 b/docs/libcurl/curl_multi_perform.3 index e0e5b02d8..3ec1fadec 100644 --- a/docs/libcurl/curl_multi_perform.3 +++ b/docs/libcurl/curl_multi_perform.3 @@ -5,7 +5,7 @@ .\" * | (__| |_| | _ <| |___ .\" * \___|\___/|_| \_\_____| .\" * -.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al. +.\" * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al. .\" * .\" * This software is licensed as described in the file COPYING, which .\" * you should have received as part of this distribution. The terms @@ -49,6 +49,55 @@ added handle fails very quickly, it may never be counted as a running_handle. When \fIrunning_handles\fP is set to zero (0) on the return of this function, there is no longer any transfers in progress. +.SH EXAMPLE +.nf +#ifdef _WIN32 +#define SHORT_SLEEP Sleep(100) +#else +#define SHORT_SLEEP usleep(100000) +#endif + +fd_set fdread; +fd_set fdwrite; +fd_set fdexcep; +int maxfd = -1; + +long curl_timeo; + +curl_multi_timeout(multi_handle, &curl_timeo); +if(curl_timeo < 0) + curl_timeo = 1000; + +timeout.tv_sec = curl_timeo / 1000; +timeout.tv_usec = (curl_timeo % 1000) * 1000; + +FD_ZERO(&fdread); +FD_ZERO(&fdwrite); +FD_ZERO(&fdexcep); + +/* get file descriptors from the transfers */ +mc = curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); + +if(maxfd == -1) { + SHORT_SLEEP; + rc = 0; +} +else + rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + +switch(rc) { +case -1: + /* select error */ + break; +case 0: +default: + /* timeout or readable/writable sockets */ + curl_multi_perform(multi_handle, &still_running); + break; +} + +/* if there are still transfers, loop! */ +.fi .SH "RETURN VALUE" CURLMcode type, general libcurl multi interface error code. |