Debug stub: suspend/resume threads on Linux

src/trusted/gdb_rsp/target.h

 /*
  * Copyright (c) 2012 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 // This module provides interfaces for accessing the debugging state of
 // the target.  The target can use either the thread that took the
 // exception or run in it's own thread.  To respond to the host, the
@@ skipping 128 matching lines @@
 
   ThreadMap_t threads_;
   ThreadMap_t::const_iterator threadItr_;
   BreakMap_t breakMap_;
 
 
   PropertyMap_t properties_;
 
   uint8_t *ctx_;         // Context Scratchpad
 
+  bool stepping_over_breakpoint_;
+
   // The current signal and signaling thread data is protected by
   // the mutex, and can only be owned by one thread at a time.
   // These values should only be written via the "Signal" member,
   // which will ensure that a new signal does not overwrite a
   // previous signal.
   volatile int8_t cur_signal_;
   volatile uint32_t sig_thread_;
 
   uint32_t run_thread_;   // Which thread to issue step commands on
   uint32_t reg_thread_;   // Which thread to issue context (reg) commands on
   uint64_t mem_base_;
 };
 
 
 }  // namespace gdb_rsp
 
 #endif  // SRC_TRUSTED_GDB_RSP_TARGET_H_