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authorRickard Green <[email protected]>2011-09-21 23:13:06 +0200
committerRickard Green <[email protected]>2011-09-22 09:52:58 +0200
commit4a68d3ebd54342ed72300a957883ed73957054af (patch)
tree3e3bef555c04ce59b3909bc19856d16b241f14bf /erts/doc
parent4a5a75811e2cd590b5c94f71864a5245fd511ccf (diff)
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Fix lost wakeup of scheduler when enqueuing auxiliary work
When auxiliary work was enqueued on a scheduler, the wakeup of the scheduler in order to handle this work could be lost. Wakeups in order to handle ordinary work were not effected by this bug. The bug only effected runtime systems with SMP support as follows: * Deallocation of some ETS data structures could be delayed. * On Linux systems not using the NPTL thread library (typically ancient systems with kernel versions prior to 2.6) and Windows systems, the {Port, {exit_status, Status}} message from a terminating port program could be delayed. That is, it only effected port programs which had been started by passing exit_status as an option to open_port/2.
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