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do not select on a closed file descriptor (doing so crash on Android)

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This commit is contained in:
Benjamin Sergeant 2019-05-22 18:58:22 -07:00
parent 718154cfb4
commit 13c87e38ed
1 changed files with 14 additions and 6 deletions
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20
ixwebsocket/IXSocket.cpp
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@ -46,11 +46,6 @@ namespace ix
PollResultType Socket::poll(int timeoutMs)
{
if (_sockfd == -1)
{
return PollResultType::Error;
}
return isReadyToRead(timeoutMs);
}
@ -62,7 +57,10 @@ namespace ix
FD_ZERO(&wfds);
fd_set* fds = (readyToRead) ? &rfds : & wfds;
FD_SET(_sockfd, fds);
if (_sockfd != -1)
{
FD_SET(_sockfd, fds);
}
// File descriptor used to interrupt select when needed
int interruptFd = _selectInterrupt->getFd();
@ -118,12 +116,22 @@ namespace ix
PollResultType Socket::isReadyToRead(int timeoutMs)
{
if (_sockfd == -1)
{
return PollResultType::Error;
}
bool readyToRead = true;
return select(readyToRead, timeoutMs);
}
PollResultType Socket::isReadyToWrite(int timeoutMs)
{
if (_sockfd == -1)
{
return PollResultType::Error;
}
bool readyToRead = false;
return select(readyToRead, timeoutMs);
}