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Fix SetThreadName on Linux #29

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Fix SetThreadName on Linux #29

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13 changes: 8 additions & 5 deletions ajalibraries/ajabase/system/linux/threadimpl.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -538,6 +538,8 @@ AJAThreadImpl::ThreadProcStatic(void* pThreadImplContext)
if (errno == 0) // theoretically gettid() cannot fail, so by extension syscall(SYS_gettid) can't either...?
pThreadImpl->mTid = myTid;

if (pThreadImpl->mThreadName.size() > 0)
pthread_setname_np(pThreadImpl->mThread, pThreadImpl->mThreadName.c_str());

// signal parent we've started
int rc = pthread_mutex_lock(&pThreadImpl->mStartMutex);
Expand Down Expand Up @@ -609,11 +611,12 @@ AJAThreadImpl::ThreadProcStatic(void* pThreadImplContext)
}

AJAStatus AJAThreadImpl::SetThreadName(const char *name) {
int ret = prctl(PR_SET_NAME, (unsigned long)name, 0, 0);
if(ret == -1) {
AJA_REPORT(0, AJA_DebugSeverity_Error, "Failed to set thread name to %s", name);
return AJA_STATUS_FAIL;
}
AJAAutoLock lock(&mLock);
mThreadName = name;
if (mThreadName.size() > 15)
mThreadName.resize(15);
if (mThread > 0)
pthread_setname_np(mThread, mThreadName.c_str());
return AJA_STATUS_SUCCESS;
}

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3 changes: 3 additions & 0 deletions ajalibraries/ajabase/system/linux/threadimpl.h
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Expand Up @@ -13,6 +13,7 @@
#include "ajabase/common/common.h"
#include "ajabase/system/thread.h"
#include "ajabase/system/lock.h"
#include <string>


class AJAThreadImpl
Expand Down Expand Up @@ -59,6 +60,8 @@ class AJAThreadImpl
bool mExiting;
pthread_mutex_t mExitMutex;
pthread_cond_t mExitCond;

std::string mThreadName;
};

#endif // AJA_THREAD_IMPL_H
Expand Down