On Wed, 2008-10-08 at 06:09 -0400, Chris Moller wrote: > Last week: > > Committed what's basically a complete re-write of the original > froggy. (Hey, I threw the original together in about a week and a > half--it was kinda messy...) The new version is based on the new > utrace API--I'm running a 2.6.27-rc2-git1 kernel and I suspect this > version won't even compile on much less than that. > > The big functional delta is that all the messy i/f details are now > hidden in a libfroggy.so, including the separate-thread asynchronous > listener. (This makes the client dead simple--see > demos/stracef/stracef.c for an example.) The new i/f incorporates a > callback scheme to get asynch reports, kinda skeletal at the moment, > that works more or less the same way utrace does within the kernel. > (Some interest has been expressed in having the asynch > listener--which shows up as a blocking-read file descriptor--be > select()able/poll()able. It looks like it can be made pollable: > struct file_operations has a .poll member which, once I figure out > how to use it, should work. Don't know yet if select() can be made > to work--it's a different sysscall and I don't know yet if it uses > the same underlying mechanism as poll.) > > > This week: > > * Add documentation. > * Add fork/eexec/attach support. > * Add syscall entry filtering. > * Add signal reporting and filtering. > * Hack otherwise as necessary.
All sounds very nice, Chris. But I'm having trouble finding the sources. Could you give me a pointer, please? Petr Tesarik
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