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authorSiri Hansen <[email protected]>2011-11-15 11:27:58 +0100
committerSiri Hansen <[email protected]>2011-11-15 11:27:58 +0100
commit96fcb3f864f787fd3d74f20189eed7a1aba81cb4 (patch)
tree269b3ef8619edfb0a31e9c9c08faaf7edd109b3f /lib/kernel/test/application_SUITE_data/deadlock
parent6acdb64f208e26d78c7f55e6206b75b948e63daa (diff)
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Add env var shutdown_timeout to kernel to avoid deadlock on node shutdown
When a node is shutting down, application_controller will do exit(Pid,shutdown) on all application masters, and wait for {'EXIT',Pid,_}. If, for some reason, the application master does not terminate then application_controller will hang forever waiting for this 'EXIT' message. To overcome this problem, a configurable timer is added to kernel - the enviroment variable 'shutdown_timeout'. If this variable is set to a positive integer T, application_controller will do exit(Pid,kill) after T milli seconds if no 'EXIT' message is received.
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