Commit fe1bc6a0954611b806f9e158eb0817cf8ba21660

Authored by Tejun Heo
1 parent edf2ed153b

ptrace: Add @why to ptrace_stop()

To prepare for cleanup of the interaction between group stop and
ptrace, add @why to ptrace_stop().  Existing users are updated such
that there is no behavior change.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Roland McGrath <roland@redhat.com>

Showing 1 changed file with 4 additions and 4 deletions Side-by-side Diff

... ... @@ -1617,7 +1617,7 @@
1617 1617 * If we actually decide not to stop at all because the tracer
1618 1618 * is gone, we keep current->exit_code unless clear_code.
1619 1619 */
1620   -static void ptrace_stop(int exit_code, int clear_code, siginfo_t *info)
  1620 +static void ptrace_stop(int exit_code, int why, int clear_code, siginfo_t *info)
1621 1621 __releases(&current->sighand->siglock)
1622 1622 __acquires(&current->sighand->siglock)
1623 1623 {
... ... @@ -1655,7 +1655,7 @@
1655 1655 spin_unlock_irq(&current->sighand->siglock);
1656 1656 read_lock(&tasklist_lock);
1657 1657 if (may_ptrace_stop()) {
1658   - do_notify_parent_cldstop(current, CLD_TRAPPED);
  1658 + do_notify_parent_cldstop(current, why);
1659 1659 /*
1660 1660 * Don't want to allow preemption here, because
1661 1661 * sys_ptrace() needs this task to be inactive.
... ... @@ -1714,7 +1714,7 @@
1714 1714  
1715 1715 /* Let the debugger run. */
1716 1716 spin_lock_irq(&current->sighand->siglock);
1717   - ptrace_stop(exit_code, 1, &info);
  1717 + ptrace_stop(exit_code, CLD_TRAPPED, 1, &info);
1718 1718 spin_unlock_irq(&current->sighand->siglock);
1719 1719 }
1720 1720  
... ... @@ -1795,7 +1795,7 @@
1795 1795 ptrace_signal_deliver(regs, cookie);
1796 1796  
1797 1797 /* Let the debugger run. */
1798   - ptrace_stop(signr, 0, info);
  1798 + ptrace_stop(signr, CLD_TRAPPED, 0, info);
1799 1799  
1800 1800 /* We're back. Did the debugger cancel the sig? */
1801 1801 signr = current->exit_code;