From: Andre Noll <maan@systemlinux.org>
Date: Tue, 20 Apr 2010 19:29:00 +0000 (+0200)
Subject: stdin: Use non-blocking API.
X-Git-Tag: v0.4.3~25^2~7
X-Git-Url: http://git.tue.mpg.de/?a=commitdiff_plain;h=867cf44e90ec95d350d4c6755195c7089adb78c4;p=paraslash.git

stdin: Use non-blocking API.
---

diff --git a/stdin.c b/stdin.c
index 5fc91c9d..ca5eb0e1 100644
--- a/stdin.c
+++ b/stdin.c
@@ -61,7 +61,7 @@ static void stdin_post_select(struct sched *s, struct task *t)
 {
 	struct stdin_task *sit = container_of(t, struct stdin_task, task);
 	ssize_t ret;
-	size_t sz;
+	size_t sz, n;
 	char *buf = NULL;
 
 	t->error = 0;
@@ -70,8 +70,6 @@ static void stdin_post_select(struct sched *s, struct task *t)
 		goto err;
 	if (ret == 0)
 		return;
-	if (!FD_ISSET(STDIN_FILENO, &s->rfds))
-		return;
 	sz = btr_pool_get_buffer(sit->btrp, &buf);
 	if (sz == 0)
 		return;
@@ -81,15 +79,11 @@ static void stdin_post_select(struct sched *s, struct task *t)
 	 * reference can not be freed, we're stuck.
 	 */
 	sz = PARA_MIN(sz, btr_pool_size(sit->btrp) / 2);
-	ret = read(STDIN_FILENO, buf, sz);
-	if (ret < 0)
-		ret = -ERRNO_TO_PARA_ERROR(errno);
-	if (ret == 0)
-		ret = -E_STDIN_EOF;
-	if (ret < 0)
-		goto err;
-	btr_add_output_pool(sit->btrp, ret, sit->btrn);
-	return;
+	ret = read_nonblock(STDIN_FILENO, buf, sz, &s->rfds, &n);
+	if (n > 0)
+		btr_add_output_pool(sit->btrp, n, sit->btrn);
+	if (ret >= 0)
+		return;
 err:
 	btr_remove_node(sit->btrn);
 	//btr_pool_free(sit->btrp);