prefer rb_syserr_fail

* file.c, io.c, util.c: prefer rb_syserr_fail with saved errno
  over setting errno then call rb_sys_fail, not to be clobbered
  potentially and to reduce thread local errno accesses.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53264 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 2 deletions

diff --git a/ext/socket/unixsocket.c b/ext/socket/unixsocket.c
index 2442bc1d12..f73f12777c 100644
--- a/ext/socket/unixsocket.c
+++ b/ext/socket/unixsocket.c
@@ -65,14 +65,16 @@ rsock_init_unixsock(VALUE sock, VALUE path, int server)
     }
 
     if (status < 0) {
+	int e = errno;
 	close(fd);
-        rsock_sys_fail_path("connect(2)", path);
+	rsock_syserr_fail_path(e, "connect(2)", path);
     }
 
     if (server) {
 	if (listen(fd, SOMAXCONN) < 0) {
+	    int e = errno;
 	    close(fd);
-            rsock_sys_fail_path("listen(2)", path);
+	    rsock_syserr_fail_path(e, "listen(2)", path);
 	}
     }