X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=stdin.c;h=8eb86dee69ba7322524e960bba6169916e9bef14;hp=438883a76f5925d32a2e04810049902386019fce;hb=7205bdd68b0ad3c50bbe7b5e01eb62be97aab5c8;hpb=335730538150250f32c0df0b184fb494e2bb0df3

diff --git a/stdin.c b/stdin.c
index 438883a7..8eb86dee 100644
--- a/stdin.c
+++ b/stdin.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2008 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2009 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -9,9 +9,7 @@
 #include <dirent.h> /* readdir() */
 #include <assert.h>
 
-
 #include "para.h"
-#include "string.h"
 #include "list.h"
 #include "sched.h"
 #include "fd.h"
@@ -31,6 +29,11 @@
 static void stdin_pre_select(struct sched *s, struct task *t)
 {
 	struct stdin_task *sit = container_of(t, struct stdin_task, task);
+
+	if (sit->output_error && *sit->output_error < 0) {
+		t->error = *sit->output_error;
+		return;
+	}
 	t->error = 0;
 	sit->check_fd = 0;
 	if (sit->loaded >= sit->bufsize)
@@ -47,7 +50,7 @@ static void stdin_pre_select(struct sched *s, struct task *t)
  *
  * This function checks if \p STDIN_FILENO was included by in the read fd set
  * of \a s during the previous pre_select call.  If yes, and \p STDIN_FILENO
- * appeears to be readable, data is read from stdin into the buffer of the
+ * appears to be readable, data is read from stdin into the buffer of the
  * stdin task.
  */
 static void stdin_post_select(struct sched *s, struct task *t)
@@ -55,6 +58,10 @@ 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;
 
+	if (sit->output_error && *sit->output_error < 0) {
+		t->error = *sit->output_error;
+		return;
+	}
 	t->error = 0;
 	if (!sit->check_fd)
 		return;
@@ -74,23 +81,22 @@ static void stdin_post_select(struct sched *s, struct task *t)
  *
  * \param sit The stdin task structure.
  *
- * This fills in the pre/post select function poinzters of the task structure
- * given by \a sit. It also sets up a default error handler which unregisters
- * the task. Moreover, \a loaded and \a eof are set to zero and \a bufsize is
- * initialized to 16 KB (but no buffer is allocated).
+ * This fills in the pre/post select function pointers of the task structure
+ * given by \a sit. Moreover, the stdin file desctiptor is set to nonblocking
+ * mode and \a bufsize is initialized to 16 KB (but no buffer is allocated).
  */
 void stdin_set_defaults(struct stdin_task *sit)
 {
 	int ret;
 
 	sit->bufsize = 16 * 1024,
-	sit->loaded = 0,
 	sit->task.pre_select = stdin_pre_select;
 	sit->task.post_select = stdin_post_select;
 	sprintf(sit->task.status, "stdin reader");
 	ret = mark_fd_nonblocking(STDIN_FILENO);
 	if (ret >= 0)
 		return;
+	sit->output_error = NULL;
 	PARA_EMERG_LOG("%s\n", para_strerror(-ret));
 	exit(EXIT_FAILURE);
 }