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Use sleep_ms instead of select in httpfetch when max_fd == -1, fixes WSAEINVAL

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This commit is contained in:
Kahrl 2013-12-24 19:28:09 +01:00
parent a5377251e2
commit 3aa28bc7a2
1 changed files with 21 additions and 13 deletions
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34
src/httpfetch.cpp
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@ -18,6 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
*/
#include "socket.h" // for select()
#include "porting.h" // for sleep_ms()
#include "httpfetch.h"
#include <iostream>
#include <sstream>
@ -520,19 +521,26 @@ protected:
select_timeout = timeout;
if (select_timeout > 0) {
select_tv.tv_sec = select_timeout / 1000;
select_tv.tv_usec = (select_timeout % 1000) * 1000;
int retval = select(max_fd + 1, &read_fd_set,
&write_fd_set, &exc_fd_set,
&select_tv);
if (retval == -1) {
#ifdef _WIN32
errorstream<<"select returned error code "
<<WSAGetLastError()<<std::endl;
#else
errorstream<<"select returned error code "
<<errno<<std::endl;
#endif
// in Winsock it is forbidden to pass three empty
// fd_sets to select(), so in that case use sleep_ms
if (max_fd == -1) {
select_tv.tv_sec = select_timeout / 1000;
select_tv.tv_usec = (select_timeout % 1000) * 1000;
int retval = select(max_fd + 1, &read_fd_set,
&write_fd_set, &exc_fd_set,
&select_tv);
if (retval == -1) {
#ifdef _WIN32
errorstream<<"select returned error code "
<<WSAGetLastError()<<std::endl;
#else
errorstream<<"select returned error code "
<<errno<<std::endl;
#endif
}
}
else {
sleep_ms(select_timeout);
}
}
}