https://git.ruby-lang.org/ruby.git/commit/?id=5798d35ff6

From 5798d35ff66e468ebf296c4069ede275d7fb0ec9 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Tue, 21 Jan 2020 22:45:10 +0900
Subject: Also check EWOULDBLOCK as well as EAGAIN


diff --git a/io.c b/io.c
index 51d92a9..201ec9b 100755
--- a/io.c
+++ b/io.c
@@ -316,7 +316,6 @@ rb_cloexec_open(const char *pathname, int flags, mode_t mode) https://github.com/ruby/ruby/blob/trunk/io.c#L316
     static const int retry_max_count = 10000;
 
     int retry_count = 0;
-    int e;
 
 #ifdef O_CLOEXEC
     /* O_CLOEXEC is available since Linux 2.6.23.  Linux 2.6.18 silently ignore it. */
@@ -325,15 +324,11 @@ rb_cloexec_open(const char *pathname, int flags, mode_t mode) https://github.com/ruby/ruby/blob/trunk/io.c#L324
     flags |= O_NOINHERIT;
 #endif
 
-    while (1) {
-        ret = open(pathname, flags, mode);
-        e = errno;
-
-        if (ret != -1 || e != EAGAIN || retry_count >= retry_max_count) {
-            break;
-        }
+    while ((ret = open(pathname, flags, mode)) == -1) {
+        int e = errno;
+        if (e != EAGAIN && e != EWOULDBLOCK) break;
+        if (retry_count++ >= retry_max_count) break;
 
-        retry_count++;
         sleep(retry_interval);
     }
 
-- 
cgit v0.10.2


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