reap children properly

yrutschle · yrutschle · commit e28fa91b0ffc · 2021-11-07T13:13:05.000+01:00
diff --git a/echosrv.c b/echosrv.c
@@ -112,6 +112,7 @@ void tcp_echo(struct listen_endpoint* listen_socket)
             exit(0);
         }
         close(in_socket);
+        waitpid(-1, NULL, WNOHANG);
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -112,6 +112,7 @@ void tcp_echo(struct listen_endpoint* listen_socket)`
`112`	`112`	`exit(0);`
`113`	`113`	`}`
`114`	`114`	`close(in_socket);`
	`115`	`+ waitpid(-1, NULL, WNOHANG);`
`115`	`116`	`}`
`116`	`117`	`}`
`117`	`118`