From c31982b09dda5aa556455e13ee5aa1adf66e9da4 Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@systemlinux.org>
Date: Wed, 27 Jun 2012 22:32:16 +0200
Subject: [PATCH] Interactive: Introduce i9e_get_error().
Currently there is no easy way for a paraslash task to find out
whether the i9e task is still up and running. This commit adds the
new public function i9e_get_error() which simply returns the error
state of the i9e task.
---
interactive.c | 14 ++++++++++++++
interactive.h | 1 +
2 files changed, 15 insertions(+)
diff --git a/interactive.c b/interactive.c
index 7768d36b..cd5fa8a8 100644
--- a/interactive.c
+++ b/interactive.c
@@ -38,6 +38,20 @@ struct i9e_private {
};
static struct i9e_private i9e_private, *i9ep = &i9e_private;
+/**
+ * Return the error state of the i9e task.
+ *
+ * This is mainly useful for other tasks to tell whether the i9e task is still
+ * running.
+ *
+ * \return A negative return value of zero means the i9e task terminated. Only
+ * in this case it is safe to call ie9_close().
+ */
+int i9e_get_error(void)
+{
+ return i9ep->task.error;
+}
+
static bool is_prefix(const char *partial, const char *full, size_t len)
{
if (len == 0)
diff --git a/interactive.h b/interactive.h
index a19f8a47..93ee56c7 100644
--- a/interactive.h
+++ b/interactive.h
@@ -86,3 +86,4 @@ char **i9e_complete_commands(const char *word, struct i9e_completer *completers)
void i9e_complete_option(char **opts, struct i9e_completion_info *ci,
struct i9e_completion_result *cr);
int i9e_print_completions(struct i9e_completer *completers);
+int i9e_get_error(void);
--
2.39.5