From a0b54e6cbdb08fb0a0644e3c3b9f1a870a10f7c1 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 6 Feb 2009 14:46:21 +0000
Subject: * io.c (io_fread): use rb_io_wait_readable for retry   avoid
 Errno::EINTR on ruby -e 'trap(:CHLD) {}; spawn("sleep 1"); STDIN.read'

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22099 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'io.c')

diff --git a/io.c b/io.c
index 21d7750769..edfcdd646f 100644
--- a/io.c
+++ b/io.c
@@ -1442,12 +1442,15 @@ io_fread(VALUE str, long offset, rb_io_t *fptr)
 
     if (READ_DATA_PENDING(fptr) == 0) {
 	while (n > 0) {
+          again:
 	    c = rb_read_internal(fptr->fd, RSTRING_PTR(str)+offset, n);
 	    if (c == 0) {
 		io_set_eof(fptr);
 		break;
 	    }
 	    if (c < 0) {
+                if (rb_io_wait_readable(fptr->fd))
+                    goto again;
 		rb_sys_fail_path(fptr->pathv);
 	    }
 	    offset += c;
-- 
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