debuggerd: remove useless timeout from wait_for_signal.

The watchdog already handles things for us, so the timeout logic in
wait_for_signal is pointless.

Change-Id: Id81ad5f294068216b73e04c4e2ceca072ae1bbc0

1 files changed, 3 insertions, 2 deletions

diff --git a/debuggerd/debuggerd.cpp b/debuggerd/debuggerd.cpp
index a82fd079e..0c18b9c58 100644
--- a/debuggerd/debuggerd.cpp
+++ b/debuggerd/debuggerd.cpp
@@ -459,9 +459,10 @@ static bool perform_dump(const debugger_request_t& request, int fd, int tombston
     return false;
   }
 
-  int total_sleep_time_usec = 0;
   while (true) {
-    int signal = wait_for_signal(request.tid, &total_sleep_time_usec);
+    // wait_for_signal waits for forever, but the watchdog process will kill us
+    // if it takes too long.
+    int signal = wait_for_signal(request.tid);
     switch (signal) {
       case -1:
         ALOGE("debuggerd: timed out waiting for signal");