CVS log for src/sys/kern/kern_fork.c

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Default branch: MAIN
Current tag: nick-nhusb-base-20170204

Revision 1.199 / (download) - annotate - [select for diffs], Fri Jan 13 23:00:35 2017 UTC (7 years, 3 months ago) by kamil
Branch: MAIN
CVS Tags: pgoyette-localcount-20170320, nick-nhusb-base-20170204, bouyer-socketcan-base
Branch point for: bouyer-socketcan
Changes since 1.198: +13 -6 lines
Diff to previous 1.198 (colored)

Add support for PTRACE_VFORK_DONE and stub for PTRACE_VFORK in ptrace(2)

PTRACE_VFORK is supposed to be used to track vfork(2)-like events, when
parent gives birth to new process child and stops till it exits or calls
exec().
Currently PTRACE_VFORK is a stub.

PTRACE_VFORK_DONE is notification to notify a debugger that a parent has
resumed after vfork(2)-like action.
PTRACE_VFORK_DONE throws SIGTRAP with TRAP_CHLD.

Sponsored by <The NetBSD Foundation>

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