Commit-ID: 0c29d3f28d5745f67679659bb8979ae963579c47
Gitweb: http://git.kernel.org/tip/0c29d3f28d5745f67679659bb8979ae963579c47
Author: Sasha Levin <levinsasha928@xxxxxxxxx>
AuthorDate: Tue, 5 Jul 2011 12:35:45 +0300
Committer: Pekka Enberg <penberg@xxxxxxxxxx>
CommitDate: Tue, 5 Jul 2011 21:58:26 +0300
kvm tools: Clean ghost pid files in 'kvm list'
When running 'kvm list', first make sure that the guest process
is up and running before printing the entry.
Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxx>
---
tools/kvm/kvm-list.c | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/tools/kvm/kvm-list.c b/tools/kvm/kvm-list.c
index 696c355..40c0e48 100644
--- a/tools/kvm/kvm-list.c
+++ b/tools/kvm/kvm-list.c
@@ -6,10 +6,31 @@
#include <stdio.h>
#include <string.h>
#include <signal.h>
+#include <fcntl.h>
+
+#define PROCESS_NAME "kvm"
static void print_guest(const char *name, int pid)
{
+ char proc_name[PATH_MAX];
+ char comm[sizeof(PROCESS_NAME)];
+ int fd;
+
+ sprintf(proc_name, "/proc/%d/comm", pid);
+ fd = open(proc_name, O_RDONLY);
+ if (fd <= 0)
+ goto cleanup;
+ if (read(fd, comm, sizeof(PROCESS_NAME)) == 0)
+ goto cleanup;
+ if (strncmp(comm, PROCESS_NAME, strlen(PROCESS_NAME)))
+ goto cleanup;
+
printf("%s (PID: %d)\n", name, pid);
+
+ return;
+
+cleanup:
+ kvm__remove_pidfile(name);
}
int kvm_cmd_list(int argc, const char **argv, const char *prefix)
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|