Singularity-Viewer/SingularityViewer
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'curlthreading2' into curlthreading3

Browse Source 
Conflicts:
	indra/llmessage/llcurlrequest.cpp

Header file include changes collided. Fixed.
This commit is contained in:
Aleric Inglewood
2012-07-31 17:46:07 +02:00
parent af4ac8fb5f 464919072d
commit cdefc0e384
4 changed files with 64 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
indra/aistatemachine/aicurlthread.cpp
View File

@@ -845,27 +845,50 @@ void AICurlThread::wakeup(AICurlMultiHandle_wat const& multi_handle_w)
// If no process has the pipe open for writing, read() shall return 0 to indicate end-of-file.
// If some process has the pipe open for writing and O_NONBLOCK is set, read() shall return -1 and set errno to [EAGAIN].
char buf[256];
ssize_t len;
do
bool got_data = false;
for(;;)
{
len = read(mWakeUpFd, buf, sizeof(buf));
if (len == -1 && errno == EAGAIN)
ssize_t len = read(mWakeUpFd, buf, sizeof(buf));
if (len > 0)
{
// Data was read from the pipe.
got_data = true;
if (len < sizeof(buf))
break;
}
else if (len == -1)
{
// An error occurred.
if (errno == EAGAIN)
{
if (got_data)
break;
// There was no data, even though select() said so. If this ever happens at all(?), lets just return and enter select() again.
return;
}
else if (errno == EINTR)
{
continue;
}
else
{
llerrs << "read(3) from mWakeUpFd: " << strerror(errno) << llendl;
return;
}
}
else
{
// pipe(2) returned 0.
llwarns << "read(3) from mWakeUpFd returned 0, indicating that the pipe on the other end was closed! Shutting down curl thread." << llendl;
close(mWakeUpFd);
mWakeUpFd = CURL_SOCKET_BAD;
mRunning = false;
return;
}
while(len == -1 && errno == EINTR);
if (len == -1)
{
llerrs << "read(3) from mWakeUpFd: " << strerror(errno) << llendl;
}
if (LL_UNLIKELY(len == 0))
{
llwarns << "read(3) from mWakeUpFd returned 0, indicating that the pipe on the other end was closed! Shutting down curl thread." << llendl;
close(mWakeUpFd);
mWakeUpFd = CURL_SOCKET_BAD;
mRunning = false;
return;
}
}
#endif
// Data was received on mWakeUpFd. This means that the main-thread added one
// or more commands to the command queue and called wakeUpCurlThread().
process_commands(multi_handle_w);
}