On Mon, 19 Sep 2011 15:58:02 +0300, Mikolaj Golub wrote: AY>> ktrace -i for truss sleep 5 AY>> http://dl.dropbox.com/u/8798217/tmp/truss_ktrace2.txt MG> MG> Although ptrace(PT_TRACE_ME,0,0,0) returned 0 the process did not stop after MG> execve() and wait4() in parent (which was actually waiting for this stop) MG> returned only after the child exit. No I idea why so far :-). MG> As I understand SIGTRAP used to stop child process after execve(), but this signal ignored: citrin:~> sleep 300 & citrin:~> procstat -i 1991 | fgrep TRAP 1991 sleep TRAP -I- Under FreeBSD 8, where ptrace works for me, this signal is not ignored: x:~> sleep 300 & x:~> procstat -i 78716 | fgrep TRAP 78716 sleep TRAP --- -- Anton YuzhaninovReceived on Mon Sep 19 2011 - 13:00:49 UTC
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