Add API kvm__enumerate_instances() to enumerate running guest
instances.
Signed-off-by: Sasha Levin <[email protected]>
---
tools/kvm/kvm.c | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/tools/kvm/kvm.c b/tools/kvm/kvm.c
index 378e035..075c8d8 100644
--- a/tools/kvm/kvm.c
+++ b/tools/kvm/kvm.c
@@ -29,6 +29,7 @@
#include <time.h>
#include <sys/eventfd.h>
#include <asm/unistd.h>
+#include <dirent.h>
#define DEFINE_KVM_EXIT_REASON(reason) [reason] = #reason
#define KVM_PID_FILE_PATH "/.kvm-tools/"
@@ -164,6 +165,30 @@ int kvm__get_pid_by_instance(const char *name)
return pid;
}
+int kvm__enumerate_instances(void (*callback)(const char *name, int pid))
+{
+ char full_name[PATH_MAX];
+ int pid;
+ DIR *dir;
+ struct dirent entry, *result;
+
+ sprintf(full_name, "%s/%s", HOME_DIR, KVM_PID_FILE_PATH);
+ dir = opendir(full_name);
+
+ for (;;) {
+ readdir_r(dir, &entry, &result);
+ if (result == NULL)
+ break;
+ if (entry.d_type == DT_REG) {
+ entry.d_name[strlen(entry.d_name)-4] = 0;
+ pid = kvm__get_pid_by_instance(entry.d_name);
+ callback(entry.d_name, pid);
+ }
+ }
+
+ return 0;
+}
+
void kvm__delete(struct kvm *kvm)
{
kvm__stop_timer(kvm);
--
1.7.6
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