Signal Handling--ref
发布时间:2021-02-03 09:20:46  所属栏目:Linux  来源:网络整理 
            导读:signal is a software interrupt delivered to a process. The operating system uses signals to report exceptional situations to an executing program. Some signals report errors such as references to invalid memory addresses; others report asy
                
                
                
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                         struct process *process_list; 
 /* Nonzero means some child's status has changed
   so look at 
 void
sigchld_handler (int signo)
{
  int old_errno = errno;                         | 
                  

