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Input now prints message and aborts cleanly when pull lock could not be opened.

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This commit is contained in:
Thulinma 2017-05-23 21:26:35 +02:00
parent 422c839ae2
commit 24a1744b7e
1 changed files with 4 additions and 0 deletions
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4
src/input/input.cpp
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@ -284,6 +284,10 @@ namespace Mist {
void Input::stream(){ void Input::stream(){
IPC::semaphore pullLock; IPC::semaphore pullLock;
pullLock.open(std::string("/MstPull_" + streamName).c_str(), O_CREAT | O_RDWR, ACCESSPERMS, 1); pullLock.open(std::string("/MstPull_" + streamName).c_str(), O_CREAT | O_RDWR, ACCESSPERMS, 1);
if (!pullLock){
FAIL_MSG("Could not open pull lock for stream '%s' - aborting!", streamName.c_str());
return;
}
if (!pullLock.tryWait()){ if (!pullLock.tryWait()){
WARN_MSG("A pull process for stream %s is already running", streamName.c_str()); WARN_MSG("A pull process for stream %s is already running", streamName.c_str());
pullLock.close(); pullLock.close();