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	Commit message (Collapse)	Author	Age	Files	Lines
*	pkg/fileutil: move from fileutil	Dmitry Vyukov	2017-06-03	1	-65/+0
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*	config: use dense indices for VMs	Dmitry Vyukov	2016-11-25	1	-21/+6
\| \| \| \| \| \| \| \| \| \| \| \| \| \|	CreateVMConfig uses fileutil.ProcessTempDir to assign indices to VMs. fileutil.ProcessTempDir generates unique indices globally across several processes. This was required for old vm/qemu code that used the index to choose unique ssh port for the VM. Now vm/qemu does not use index as port and this global index assignment started causing problems for adb and gce. Adb really needs indexes to be dense -- index is used to choose adb device id (if we have 2 devices, index 3 causes out of bounds panic). For gce it leads to creation of unnecessary VM instances (if I set count=4, I want at most 4 VMs created). Don't use fileutil.ProcessTempDir-generated index in CreateVMConfig and instead just use the dense indices passed by caller.
*	sys: add union type	Dmitry Vyukov	2015-12-29	1	-1/+1
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*	fileutil: fix race in ProcessTempDir	Dmitry Vyukov	2015-12-29	1	-0/+80
	One goroutine decides that it needs to clean up an instance, but before it tries to delete pid file it is preempted. Then another goroutine cleans up this instances and creates a new instances in the same dir. Then first goroutine removes already new pid file and removes the used dir. Fix this by using flock on a lock file. Add a test.