Remove synchronization when starting Linux processes. #161
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Since NuProcess on Linux made the switch to using the JVM's own process start logic, it's likely this synchronization is just a vestigial safeguard. Starting processes with run(), on Linux, has always allowed for concurrent launches, and some clients use that heavily. That reinforces the sense that the start() synchronization isn't actually necessary. This removes the synchronized block and adds a heavily threaded test when processes are started concurrently. fixes #159
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Since NuProcess on Linux made the switch to using the JVM's own process start logic, it's likely this synchronization is just a vestigial safeguard.
Starting processes with run(), on Linux, has always allowed for concurrent launches, and some clients use that heavily. That reinforces the sense that the start() synchronization isn't actually necessary.
This removes the synchronized block and adds a heavily threaded test when processes are started concurrently.
fixes #159