1  /*
       2   * Copyright (c) 2016 Dmitry V. Levin <ldv@strace.io>
       3   * Copyright (c) 2016-2021 The strace developers.
       4   * All rights reserved.
       5   *
       6   * SPDX-License-Identifier: LGPL-2.1-or-later
       7   */
       8  
       9  #include "defs.h"
      10  #include "ptrace.h"
      11  #include "ptrace_pokeuser.c"
      12  
      13  int
      14  upoke(struct tcb *tcp, unsigned long off, kernel_ulong_t val)
      15  {
      16  	if (ptrace_pokeuser(tcp->pid, off, val) < 0) {
      17  		if (errno != ESRCH)
      18  			perror_func_msg("PTRACE_POKEUSER pid:%d @%#lx)",
      19  					tcp->pid, off);
      20  		return -1;
      21  	}
      22  	return 0;
      23  }