tree ae2ae617dd77c10366bb28f3d5ee56e75a62690d
parent 7c41ce287804f5409400c2b87bf11ebc6f6e1091
author Denys Vlasenko <dvlasenk@redhat.com> 1373459585 +0200
committer Denys Vlasenko <dvlasenk@redhat.com> 1373459788 +0200

PTRACE_SEIZE can set ptrace options immediately, use this feature

This eliminates some rare bugs, such as post-execve SIGTRAP
generation when we attach to a process, and it manages to finish
execve'ing before we set TRACEEXEC option to suppress that.

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>