AU: Function to trigger crash reporter.

utils.cc

Index: utils.cc
diff --git a/utils.cc b/utils.cc
index 359b6b8866a6fee79b5f242f91d4ea4720ce2d17..95b5ec9ad785d8dbbb1b0a17ad8131cc3b73a065 100644
--- a/utils.cc
+++ b/utils.cc
@@ -8,6 +8,7 @@
 #include <sys/resource.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <sys/wait.h>
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -501,6 +502,27 @@ bool Reboot() {
   return true;
 }
 
+namespace {
+// Do the actual trigger. We do it as a main-loop callback to (try to) get a
+// consistent stack trace.
+gboolean TriggerCrashReporterUpload(void* unused) {
+  pid_t pid = fork();
+  CHECK(pid >= 0) << "fork failed";  // fork() failed. Something is very wrong.
+  if (pid == 0) {
+    // We are the child. Crash.
+    abort();  // never returns
+  }
+  // We are the parent. Wait for child to terminate.
+  pid_t result = waitpid(pid, NULL, 0);
+  LOG_IF(ERROR, result < 0) << "waitpid() failed";
+  return FALSE;  // Don't call this callback again
+}
+}  // namespace {}
+
+void ScheduleCrashReporterUpload() {
+  g_idle_add(&TriggerCrashReporterUpload, NULL);
+}
+
 bool SetProcessPriority(ProcessPriority priority) {
   int prio = static_cast<int>(priority);
   LOG(INFO) << "Setting process priority to " << prio;