3 files changed, 29 insertions, 4 deletions
diff --git a/base/process_util.h b/base/process_util.h
index 11c5e12..0f074b1 100644
--- a/base/process_util.h
+++ b/base/process_util.h
@@ -180,6 +180,10 @@ bool WaitForProcessesToExit(const std::wstring& executable_name,
 bool WaitForSingleProcess(ProcessHandle handle,
                           int wait_milliseconds);
 
+// Returns true when |wait_milliseconds| have elapsed and the process
+// is still running.
+bool CrashAwareSleep(ProcessHandle handle, int wait_milliseconds);
+
 // Waits a certain amount of time (can be 0) for all the processes with a given
 // executable name to exit, then kills off any of them that are still around.
 // If filter is non-null, then only processes selected by the filter are waited
diff --git a/base/process_util_posix.cc b/base/process_util_posix.cc
index e8845fb..453316d 100644
--- a/base/process_util_posix.cc
+++ b/base/process_util_posix.cc
@@ -182,7 +182,9 @@ bool WaitForExitCode(ProcessHandle handle, int* exit_code) {
   return false;
 }
 
-bool WaitForSingleProcess(ProcessHandle handle, int wait_milliseconds) {
+namespace {
+
+int WaitpidWithTimeout(ProcessHandle handle, int wait_milliseconds) {
   // This POSIX version of this function only guarantees that we wait no less
   // than |wait_milliseconds| for the proces to exit.  The child process may
   // exit sometime before the timeout has ended but we may still block for
@@ -228,11 +230,25 @@ bool WaitForSingleProcess(ProcessHandle handle, int wait_milliseconds) {
     ret_pid = waitpid(handle, &status, WNOHANG);
   }
 
-  if (status != -1) {
+  return status;
+}
+
+}  // namespace
+
+bool WaitForSingleProcess(ProcessHandle handle, int wait_milliseconds) {
+  int status = WaitpidWithTimeout(handle, wait_milliseconds);
+  if (status != -1)
     return WIFEXITED(status);
-  } else {
+  else
+    return false;
+}
+
+bool CrashAwareSleep(ProcessHandle handle, int wait_milliseconds) {
+  int status = WaitpidWithTimeout(handle, wait_milliseconds);
+  if (status != -1)
+    return !(WIFEXITED(status) || WIFSIGNALED(status));
+  else
     return false;
-  }
 }
 
 namespace {
diff --git a/base/process_util_win.cc b/base/process_util_win.cc
index 0ed5d86..9829a41 100644
--- a/base/process_util_win.cc
+++ b/base/process_util_win.cc
@@ -353,6 +353,11 @@ bool WaitForSingleProcess(ProcessHandle handle, int wait_milliseconds) {
   return retval;
 }
 
+bool CrashAwareSleep(ProcessHandle handle, int wait_milliseconds) {
+  bool retval = WaitForSingleObject(handle, wait_milliseconds) == WAIT_TIMEOUT;
+  return retval;
+}
+
 bool CleanupProcesses(const std::wstring& executable_name,
                       int wait_milliseconds,
                       int exit_code,