From be8f7d1716024894a67b10cc290b18c1a430e5ae Mon Sep 17 00:00:00 2001
From: Tyrolyean <tyrolyean@tyrolyean.net>
Date: Sun, 17 Jul 2022 20:03:32 +0200
Subject: [PATCH] Add fix for O_NONBLOCK file-descriptor as output pipe

If the output of an fd is a pipe with O_NONBLOCK set, the script will die as
soon as the pipe fills up due to the write call returning with EAGAIN. This
fixes that.

Signed-off-by: Tyrolyean <tyrolyean@tyrolyean.net>
---
 shadermeh.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shadermeh.c b/shadermeh.c
index f02054c..dccc65b 100644
--- a/shadermeh.c
+++ b/shadermeh.c
@@ -51,7 +51,7 @@ static int write_retry(int fd, const void *buffer, size_t size)
 		int ret = write(fd, buffer, size);
 
 		if (ret < 0) {
-			if (errno == EINTR)
+			if (errno == EINTR || errno == EAGAIN)
 				continue;
 			perror("write");
 			return -1;