Displaying 1 result from an estimated 1 matches for "suspend_file".
2010 Nov 25
4
[PATCH]improve suspend_evtchn lock processing
..."
+#include
#define SUSPEND_LOCK_FILE "/var/lib/xen/suspend_evtchn"
+/* cleanup obsolete suspend lock file which is unlinked for any reason,
+so that current process can get lock */
+static void clean_obsolete_lock(int domid)
+{
+ int fd, pid, n;
+ char buf[128];
+ char suspend_file[256];
+
+ snprintf(suspend_file, sizeof(suspend_file), "%s_%d_lock.d",
+ SUSPEND_LOCK_FILE, domid);
+ fd = open(suspend_file, O_RDWR);
+
+ if (fd < 0)
+ return;
+
+ n = read(fd, buf, 127);
+
+ close(fd);
+
+ if (n > 0)
+ {
+ sscanf(buf, &quo...