From: pr.jung <pr.jung@samsung.com>
Date: Tue, 26 Sep 2017 09:02:37 +0000 (+0900)
Subject: udev: Increase udev monitor buffer size
X-Git-Tag: accepted/tizen/4.0/unified/20170927.045809^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0f4724e04316bca4bcdc5515500bdf15b67da22c;p=platform%2Fcore%2Fsystem%2Fstoraged.git

udev: Increase udev monitor buffer size

Change-Id: Ieb3dffe9548530baa89c114c8ab5b9ac8c09cf52
Signed-off-by: pr.jung <pr.jung@samsung.com>
---

diff --git a/src/shared/fd_handler.c b/src/shared/fd_handler.c
index 3c9fc11..b96345c 100644
--- a/src/shared/fd_handler.c
+++ b/src/shared/fd_handler.c
@@ -73,8 +73,14 @@ static gboolean channel_changed(GIOChannel *source,
 	if (h->fd != g_io_channel_unix_get_fd(source))
 		return TRUE;
 
-	if (condition != G_IO_IN)
+
+	if (condition & G_IO_ERR)
+		_E("udev_monitor_set_receive_buffer_size overflow");
+
+	if (!(condition & G_IO_IN)) {
+		_D("udev have a bad behavior");
 		return TRUE;
+	}
 
 	ret = true;
 	if (h->changed)
@@ -110,7 +116,7 @@ int add_fd_read_handler(int fd,
 		return -ENOMEM;
 	}
 
-	id = g_io_add_watch(ch, G_IO_IN,
+	id = g_io_add_watch(ch, G_IO_IN | G_IO_ERR,
 			channel_changed, h);
 	if (id == 0) {
 		_E("Failed to add watch for GIOChannel");
diff --git a/src/shared/udev.c b/src/shared/udev.c
index de5a927..113c6a6 100644
--- a/src/shared/udev.c
+++ b/src/shared/udev.c
@@ -32,7 +32,7 @@
 
 #define SIGNAL_POWEROFF_STATE	"ChangeState"
 
-#define UDEV_MONITOR_SIZE   (10*1024)
+#define UDEV_MONITOR_SIZE   (100*1024)
 
 struct uevent_info {
 	struct udev_monitor *mon;
@@ -131,6 +131,7 @@ static int uevent_control_start(const char *type,
 		goto stop;
 	}
 
+	_I("Set udev monitor buffer size %d", UDEV_MONITOR_SIZE);
 	ret = udev_monitor_set_receive_buffer_size(info->mon,
 			UDEV_MONITOR_SIZE);
 	if (ret != 0) {