[PATCH 4/8] gdbserver/linux: take condition out of callback in find_lwp_pid

[Simon Marchi <simon.marchi@efficios.com>]

Just a small optimization, it's not necessary to recompute lwp at each
iteration.

While at it, change the variable type to long, as ptid_t::lwp returns a
long.

Change-Id: I181670ce1f90b59cb09ea4899367750be2ad9105
---
 gdbserver/linux-low.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc
index 0cbfeb99086..a896b37528b 100644
--- a/gdbserver/linux-low.cc
+++ b/gdbserver/linux-low.cc
@@ -1731,9 +1731,9 @@ linux_process_target::status_pending_p_callback (thread_info *thread,
 struct lwp_info *
 find_lwp_pid (ptid_t ptid)
 {
-  thread_info *thread = find_thread ([&] (thread_info *thr_arg)
+  long lwp = ptid.lwp () != 0 ? ptid.lwp () : ptid.pid ();
+  thread_info *thread = find_thread ([lwp] (thread_info *thr_arg)
     {
-      int lwp = ptid.lwp () != 0 ? ptid.lwp () : ptid.pid ();
       return thr_arg->id.lwp () == lwp;
     });
 
-- 
2.37.3