add --fifo option

This commit is contained in:
wangyu-
2017-10-24 09:04:47 -05:00
parent 740e10bd04
commit 6c0642c37e
5 changed files with 106 additions and 29 deletions

View File

@@ -556,10 +556,42 @@ vector<string> parse_conf_line(const string& s0)
}
int create_fifo(char * file)
{
if(mkfifo (file, 0666)!=0)
{
if(errno==EEXIST)
{
mylog(log_warn,"warning fifo file %s exist\n",file);
}
else
{
mylog(log_fatal,"create fifo file %s failed\n",file);
myexit(-1);
}
}
int fifo_fd=open (file, O_RDWR);
if(fifo_fd<0)
{
mylog(log_fatal,"create fifo file %s failed\n",file);
myexit(-1);
}
struct stat st;
if (fstat(fifo_fd, &st)!=0)
{
mylog(log_fatal,"fstat failed for fifo file %s\n",file);
myexit(-1);
}
if(!S_ISFIFO(st.st_mode))
{
mylog(log_fatal,"%s is not a fifo\n",file);
myexit(-1);
}
setnonblocking(fifo_fd);
return fifo_fd;
}