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authorSiri Hansen <[email protected]>2014-02-26 14:36:55 +0100
committerSiri Hansen <[email protected]>2014-03-25 11:34:35 +0100
commitf6bb3dc325e686375b1dee283bd91c3068b682a1 (patch)
treedb32da53a73fbf4a3222aa1493efdb82c8b16898 /lib/observer/test
parentc5dc6babf962b22aaffd04bd8c1fff761973f0c0 (diff)
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Change spawn/1 + monitor/2 to spawn_monitor/1 to avoid deadlock
crashdump_viewer:progress_pmap did sometimes hang since is spawned a process, then monitored it and waited for a specific DOWN message. When the process' work was very fast, it would exit before the call to monitor and the DOWN message would contain reason 'noproc' instead of the expected {pmap_done,Result}. By doing spawn_monitor/1 instead, the monitor is always set before the process exits so the deadlock is avoided.
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