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support PTRACE_O_TRACEFORK, PTRACE_O_TRACEVFORK, PTRACE_O_TRACEVFORKDONE.

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to start with a SIGSTOP, do not set proc->ftn->status to PS_RUNNING in __runq_add_proc().
  change vfork() set CLONE_VFORK.

refs #266
refs #267
refs #372

support PTRACE_GETEVENTMSG.
  to store ptrace event, add 'unsigned long ptrace_eventmsg;' member in struct fork_tree_node.

refs #273
This commit is contained in:
Susumu Komae
2015-01-14 10:43:18 +09:00
committed by postpeta
parent d46110b4d9
commit 765de119dc
4 changed files with 161 additions and 18 deletions
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kernel/host.c
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@@ -528,6 +528,7 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
proc = (struct process *)packet->arg;
settid(proc, 0, ihk_mc_get_processor_id(), -1);
proc->ftn->status = PS_RUNNING;
runq_add_proc(proc, ihk_mc_get_processor_id());
//cpu_local_var(next) = (struct process *)packet->arg;