debuggerd: don't apply timeout when wait_for_gdb is on.

Change-Id: Ic632dde4a0510c212a4b1c01890df9a41e9771c9
(cherry picked from commit 676a756b7b6e4028633dac85110767a3cf6785a7)

1 files changed, 7 insertions, 3 deletions

diff --git a/debuggerd/debuggerd.cpp b/debuggerd/debuggerd.cpp
index fff28802a..97f40963c 100644
--- a/debuggerd/debuggerd.cpp
+++ b/debuggerd/debuggerd.cpp
@@ -248,8 +248,8 @@ static int read_request(int fd, debugger_request_t* out_request) {
   return 0;
 }
 
-static bool should_attach_gdb(debugger_request_t* request) {
-  if (request->action == DEBUGGER_ACTION_CRASH) {
+static bool should_attach_gdb(const debugger_request_t& request) {
+  if (request.action == DEBUGGER_ACTION_CRASH) {
     return property_get_bool("debug.debuggerd.wait_for_gdb", false);
   }
   return false;
@@ -487,7 +487,7 @@ static void worker_process(int fd, debugger_request_t& request) {
 
   // Don't attach to the sibling threads if we want to attach gdb.
   // Supposedly, it makes the process less reliable.
-  bool attach_gdb = should_attach_gdb(&request);
+  bool attach_gdb = should_attach_gdb(request);
   if (attach_gdb) {
     // Open all of the input devices we need to listen for VOLUMEDOWN before dropping privileges.
     if (init_getevent() != 0) {
@@ -563,6 +563,10 @@ static void worker_process(int fd, debugger_request_t& request) {
 
 static void monitor_worker_process(int child_pid, const debugger_request_t& request) {
   struct timespec timeout = {.tv_sec = 10, .tv_nsec = 0 };
+  if (should_attach_gdb(request)) {
+    // If wait_for_gdb is enabled, set the timeout to something large.
+    timeout.tv_sec = INT_MAX;
+  }
 
   sigset_t signal_set;
   sigemptyset(&signal_set);