public DbThreadID SetThrdID()
{
DbThreadID threadID;
int pid = Process.GetCurrentProcess().Id;
uint tid = (uint)AppDomain.GetCurrentThreadId();
threadID = new DbThreadID(pid, tid);
return threadID;
}
private static string doThreadName(IntPtr env,
int pid, uint tid, ref string buf)
{
DB_ENV dbenv = new DB_ENV(env, false);
DbThreadID id = new DbThreadID(pid, tid);
string ret =
dbenv.api2_internal.threadNameHandler(id);
try {
buf = ret;
} catch (NullReferenceException) {
/*
* The library may give us a NULL pointer in buf and there's no
* good way to test for that. Just ignore the exception if
* we're not able to set buf.
*/
}
return ret;
}
public bool ThrdAlive(DbThreadID info, bool procOnly)
{
Process pcs = Process.GetProcessById(info.processID);
if (pcs.HasExited == true)
return false;
else if (procOnly)
return true;
ProcessThreadCollection thrds = pcs.Threads;
foreach (ProcessThread pcsThrd in thrds)
{
if (pcsThrd.Id == info.threadID)
{
/*
* We have to use the fully qualified name, ThreadState
* defaults to System.Threading.ThreadState.
*/
return (pcsThrd.ThreadState !=
System.Diagnostics.ThreadState.Terminated);
}
}
// If we can't find the thread, we say it's not alive
return false;
}
private static int doIsAlive(IntPtr env, int pid, uint tid, uint flags)
{
DB_ENV dbenv = new DB_ENV(env, false);
DbThreadID id = new DbThreadID(pid, tid);
bool procOnly = (flags == DbConstants.DB_MUTEX_PROCESS_ONLY);
return dbenv.api2_internal.isAliveHandler(id, procOnly) ? 1 : 0;
}
