[4/9] kvm tools: Provide instance name when running 'kvm debug'

Commit Message

Sasha Levin June 29, 2011, 6:02 p.m. UTC

Instead of sending a signal to the first instance found, send it
to a specific instance.

Signed-off-by: Sasha Levin <[e-mail]>
---
 tools/kvm/kvm-debug.c |   19 +++++++++++++++----
 1 files changed, 15 insertions(+), 4 deletions(-)

Patch

diff --git a/tools/kvm/kvm-debug.c b/tools/kvm/kvm-debug.c
index 58782dd..432ae84 100644
--- a/tools/kvm/kvm-debug.c
+++ b/tools/kvm/kvm-debug.c
@@ -1,11 +1,22 @@ 
-#include <stdio.h>
-#include <string.h>
-
 #include <kvm/util.h>
 #include <kvm/kvm-cmd.h>
 #include <kvm/kvm-debug.h>
+#include <kvm/kvm.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <signal.h>
 
 int kvm_cmd_debug(int argc, const char **argv, const char *prefix)
 {
-	return system("kill -3 $(pidof kvm)");
+	int pid;
+
+	if (argc != 1)
+		die("Usage: kvm debug [instance name]\n");
+
+	pid = kvm__get_pid_by_instance(argv[0]);
+	if (pid < 0)
+		die("Failed locating instance name");
+
+	return kill(pid, SIGQUIT);
 }