From b1e534617992314663ca3fa2bfc9f85423334ed3 Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Sun, 6 Jul 2008 18:28:41 -0500
Subject: [PATCH] More EINTR handling

---
 vm/os-unix.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/vm/os-unix.c b/vm/os-unix.c
index 5b0da5a8d2..48d9a2dea8 100755
--- a/vm/os-unix.c
+++ b/vm/os-unix.c
@@ -322,8 +322,16 @@ void safe_write(int fd, void *data, size_t size)
 
 void safe_read(int fd, void *data, size_t size)
 {
-	if(read(fd,data,size) != size)
-		fatal_error("error reading fd",errno);
+	ssize_t bytes = read(fd,data,size);
+	if(bytes < 0)
+	{
+		if(errno == EINTR)
+			safe_read(fd,data,size);
+		else
+			fatal_error("error reading fd",errno);
+	}
+	else if(bytes != size)
+		fatal_error("unexpected eof on fd",bytes);
 }
 
 void *stdin_loop(void *arg)