From 0dfd5d19f3f98b596ad524e4369086fc031065cd Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 21 Apr 2022 17:03:11 +0900
Subject: [ruby/io-nonblock] Rename `io_nonblock_mode` and extract
 `set_fcntl_flags`

https://github.com/ruby/io-nonblock/commit/22f08574df
---
 ext/io/nonblock/nonblock.c | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

(limited to 'ext/io/nonblock')

diff --git a/ext/io/nonblock/nonblock.c b/ext/io/nonblock/nonblock.c
index e5915fa128..b8a40ff38e 100644
--- a/ext/io/nonblock/nonblock.c
+++ b/ext/io/nonblock/nonblock.c
@@ -19,14 +19,14 @@
 
 #ifdef F_GETFL
 static int
-io_nonblock_mode(int fd)
+get_fcntl_flags(int fd)
 {
     int f = fcntl(fd, F_GETFL);
     if (f == -1) rb_sys_fail(0);
     return f;
 }
 #else
-#define io_nonblock_mode(fd) ((void)(fd), 0)
+#define get_fcntl_flags(fd) ((void)(fd), 0)
 #endif
 
 #ifdef F_GETFL
@@ -41,7 +41,7 @@ rb_io_nonblock_p(VALUE io)
 {
     rb_io_t *fptr;
     GetOpenFile(io, fptr);
-    if (io_nonblock_mode(fptr->fd) & O_NONBLOCK)
+    if (get_fcntl_flags(fptr->fd) & O_NONBLOCK)
 	return Qtrue;
     return Qfalse;
 }
@@ -50,6 +50,13 @@ rb_io_nonblock_p(VALUE io)
 #endif
 
 #ifdef F_SETFL
+static void
+set_fcntl_flags(int fd, int f)
+{
+    if (fcntl(fd, F_SETFL, f) == -1)
+	rb_sys_fail(0);
+}
+
 static int
 io_nonblock_set(int fd, int f, int nb)
 {
@@ -63,8 +70,7 @@ io_nonblock_set(int fd, int f, int nb)
 	    return 0;
 	f &= ~O_NONBLOCK;
     }
-    if (fcntl(fd, F_SETFL, f) == -1)
-	rb_sys_fail(0);
+    set_fcntl_flags(fd, f);
     return 1;
 }
 
@@ -123,7 +129,7 @@ rb_io_nonblock_set(VALUE io, VALUE nb)
     if (RTEST(nb))
 	rb_io_set_nonblock(fptr);
     else
-	io_nonblock_set(fptr->fd, io_nonblock_mode(fptr->fd), RTEST(nb));
+	io_nonblock_set(fptr->fd, get_fcntl_flags(fptr->fd), RTEST(nb));
     return io;
 }
 
@@ -131,8 +137,7 @@ static VALUE
 io_nonblock_restore(VALUE arg)
 {
     int *restore = (int *)arg;
-    if (fcntl(restore[0], F_SETFL, restore[1]) == -1)
-	rb_sys_fail(0);
+    set_fcntl_flags(restore[0], restore[1]);
     return Qnil;
 }
 
@@ -159,7 +164,7 @@ rb_io_nonblock_block(int argc, VALUE *argv, VALUE io)
 	rb_scan_args(argc, argv, "01", &v);
 	nb = RTEST(v);
     }
-    f = io_nonblock_mode(fptr->fd);
+    f = get_fcntl_flags(fptr->fd);
     restore[0] = fptr->fd;
     restore[1] = f;
     if (!io_nonblock_set(fptr->fd, f, nb))
-- 
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