From: Andre Noll <maan@systemlinux.org>
Date: Tue, 1 Apr 2008 09:28:52 +0000 (+0200)
Subject: afs.c: Get rid of unregister_tasks().
X-Git-Tag: v0.3.2~38^2~1
X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=7b3c325a51b3b5cc2782dfc2e24613d8ecdc5618

afs.c: Get rid of unregister_tasks().

Call shed_shutdown() instead. Also make read errors from the
afs - server pipe fatal.
---

diff --git a/afs.c b/afs.c
index 0454b8ef..fd43d593 100644
--- a/afs.c
+++ b/afs.c
@@ -747,12 +747,6 @@ static int open_afs_tables(void)
 	return ret;
 }
 
-static void unregister_tasks(void)
-{
-	unregister_task(&command_task_struct.task);
-	unregister_task(&signal_task_struct.task);
-}
-
 static void signal_pre_select(struct sched *s, struct task *t)
 {
 	struct signal_task *st = container_of(t, struct signal_task, task);
@@ -898,28 +892,24 @@ static int call_callback(int fd, int query_shmid)
 	return 1;
 }
 
-static void execute_server_command(void)
+static int execute_server_command(void)
 {
 	char buf[8];
 	int ret = recv_bin_buffer(server_socket, buf, sizeof(buf) - 1);
 
 	if (ret <= 0) {
-		if (ret < 0)
-			PARA_ERROR_LOG("%s\n", para_strerror(-ret));
-		return;
+		if (!ret)
+			ret = -ERRNO_TO_PARA_ERROR(ECONNRESET);
+		goto err;
 	}
 	buf[ret] = '\0';
 	PARA_DEBUG_LOG("received: %s\n", buf);
-	if (!strcmp(buf, "new")) {
-		ret = open_next_audio_file();
-		if (ret < 0) {
-			PARA_EMERG_LOG("%s\n", para_strerror(-ret));
-			unregister_tasks();
-		}
-		return;
-	}
-	PARA_ERROR_LOG("unknown command\n");
-
+	ret = -E_BAD_CMD;
+	if (strcmp(buf, "new"))
+		goto err;
+	ret = open_next_audio_file();
+err:
+	return ret;
 }
 
 static void execute_afs_command(int fd, uint32_t expected_cookie)
@@ -964,8 +954,15 @@ static void command_post_select(struct sched *s, struct task *t)
 	struct sockaddr_un unix_addr;
 	struct afs_client *client, *tmp;
 	int fd, ret;
-	if (FD_ISSET(server_socket, &s->rfds))
-		execute_server_command();
+
+	if (FD_ISSET(server_socket, &s->rfds)) {
+		ret = execute_server_command();
+		if (ret < 0) {
+			PARA_EMERG_LOG("%s\n", para_strerror(-ret));
+			sched_shutdown();
+			return;
+		}
+	}
 
 	/* Check the list of connected clients. */
 	list_for_each_entry_safe(client, tmp, &afs_client_list, node) {