1  /*
       2   * Copyright (c) 2004-2021 The strace developers.
       3   * All rights reserved.
       4   *
       5   * SPDX-License-Identifier: LGPL-2.1-or-later
       6   */
       7  
       8  #ifndef STRACE_WAIT_H
       9  # define STRACE_WAIT_H
      10  
      11  # include "defs.h"
      12  
      13  # include <sys/wait.h>
      14  
      15  # include "static_assert.h"
      16  
      17  /*
      18   * On Linux, the "core dumped" flag is hard-coded to 0x80:
      19   * fs/coredump.c:coredump_finish() after v3.10-rc1~143^2~41,
      20   * fs/coredump.c:do_coredump() between v3.7-rc1~134^2~4 and v3.10-rc1~143^2~41,
      21   * or fs/exec.c:do_coredump() before v3.7-rc1~134^2~4
      22   */
      23  # ifndef WCOREFLAG
      24  #  define WCOREFLAG 0x80
      25  # else
      26  static_assert((WCOREFLAG) == 0x80, "WCOREFLAG != 0x80");
      27  # endif
      28  # ifndef WCOREDUMP
      29  #  define WCOREDUMP(status) ((status) & (WCOREFLAG))
      30  # endif
      31  
      32  # ifndef W_STOPCODE
      33  #  define W_STOPCODE(sig)  ((sig) << 8 | 0x7f)
      34  # endif
      35  # ifndef W_EXITCODE
      36  #  define W_EXITCODE(ret, sig)  ((ret) << 8 | (sig))
      37  # endif
      38  # ifndef W_CONTINUED
      39  #  define W_CONTINUED 0xffff
      40  # endif
      41  
      42  #endif /* STRACE_WAIT_H */