On Thu, Apr 12, 2012 at 01:15:37PM -0700, Dmitry Mikulin wrote: > Hi, > > I implemented support for follow-fork mode in gdb and would like to submit > it for a review. The feature allows users to specify which process to > follow when the inferior does a fork(). The default mode is to stay with > the parent. A gdb command is used to switch between following the > child/parent: > > set follow-fork-mode child > set follow-fork-mode parent > > When gdb is set to follow the child, it detaches from the parent at the > fork() point and continues to trace the newly created child. > > Gdb uses support that has recently been implemented in the FreeBSD kernel. > A new ptrace() request, PT_FOLLOW_FORK was added to generate a SIGTRAP at > the point where a child process is created. This allows gdb switch from > parent to child. PT_FOLLOW_EXEC was added to SIGTRAP on return from exit() > to allow gdb to load a new binary for debugging. > > I attached the patch here. > Please let me know if can provide additional info.
Yes, could you, please, split the patch somewhat ? It would be much easier to review if you were able to provide relatively small pieces with descriptions.
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