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xen-devel
[Xen-devel] [PATCH 19 of 22] xenpaging: add helper function for unlinkin
# HG changeset patch
# User Olaf Hering <olaf@xxxxxxxxx>
# Date 1307695645 -7200
# Node ID c375ced18c763dd7dcebfdc923f1d5154656b578
# Parent 3d8e65d22c13aeebe3f1e25e2dd9724c3efcf8d6
xenpaging: add helper function for unlinking pagefile
Unlink pagefile in the signal handler and also in the exit path.
This does not leave a stale pagefile if an error occoured.
Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
diff -r 3d8e65d22c13 -r c375ced18c76 tools/xenpaging/xenpaging.c
--- a/tools/xenpaging/xenpaging.c Fri Jun 10 10:47:24 2011 +0200
+++ b/tools/xenpaging/xenpaging.c Fri Jun 10 10:47:25 2011 +0200
@@ -41,11 +41,20 @@
static char filename[80];
static int interrupted;
+
+static void unlink_pagefile(void)
+{
+ if ( filename[0] )
+ {
+ unlink(filename);
+ filename[0] = '\0';
+ }
+}
+
static void close_handler(int sig)
{
interrupted = sig;
- if ( filename[0] )
- unlink(filename);
+ unlink_pagefile();
}
static int xenpaging_mem_paging_flush_ioemu_cache(xenpaging_t *paging)
@@ -716,6 +725,7 @@ int main(int argc, char *argv[])
out:
close(fd);
+ unlink_pagefile();
free(victims);
/* Tear down domain paging */
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- [Xen-devel] [PATCH 10 of 22] xenpaging: correct dropping of pages to avoid full ring buffer, (continued)
- [Xen-devel] [PATCH 10 of 22] xenpaging: correct dropping of pages to avoid full ring buffer, Olaf Hering
- [Xen-devel] [PATCH 02 of 22] tools: merge several bitop functions into xc_bitops.h, Olaf Hering
- [Xen-devel] [PATCH 09 of 22] xenpaging: drop xc.c, remove xc files, Olaf Hering
- [Xen-devel] [PATCH 05 of 22] xenpaging: drop xc.c, remove xc_platform_info_t, Olaf Hering
- [Xen-devel] [PATCH 07 of 22] xenpaging: drop xc.c, move xc_mem_paging_flush_ioemu_cache, Olaf Hering
- [Xen-devel] [PATCH 13 of 22] xenpaging: remove return values from functions that can not fail, Olaf Hering
- [Xen-devel] [PATCH 14 of 22] xenpaging: catch xc_mem_paging_resume errors, Olaf Hering
- [Xen-devel] [PATCH 15 of 22] xenpaging: remove local domain_id variable, Olaf Hering
- [Xen-devel] [PATCH 16 of 22] xenpaging: move num_pages into xenpaging struct, Olaf Hering
- [Xen-devel] [PATCH 18 of 22] xenpaging: pass integer to xenpaging_populate_page, Olaf Hering
- [Xen-devel] [PATCH 19 of 22] xenpaging: add helper function for unlinking pagefile,
Olaf Hering <=
- [Xen-devel] [PATCH 20 of 22] xenpaging: add watch thread to catch guest shutdown, Olaf Hering
- [Xen-devel] [PATCH 17 of 22] xenpaging: start paging in the middle of gfn range, Olaf Hering
- [Xen-devel] [PATCH 21 of 22] xenpaging: implement stopping of pager by sending SIGTERM/SIGINT, Olaf Hering
- [Xen-devel] [PATCH 22 of 22] xenpaging: remove private mem_event.h, Olaf Hering
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