[PATCH RFC 03/10] qemu_vhost_user_gpu: Export qemuVhostUserGPUGetPid()

[Michal Privoznik <mprivozn@xxxxxxxxxx>]

In near future it will be necessary to know the PID of
vhost-user-gpu process for QEMU. Export the function that does
just that (qemuVhostUserGPUGetPid()).

Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
---
 src/qemu/qemu_vhost_user_gpu.c | 2 +-
 src/qemu/qemu_vhost_user_gpu.h | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/qemu/qemu_vhost_user_gpu.c b/src/qemu/qemu_vhost_user_gpu.c
index 6f601cebde..d108566976 100644
--- a/src/qemu/qemu_vhost_user_gpu.c
+++ b/src/qemu/qemu_vhost_user_gpu.c
@@ -63,7 +63,7 @@ qemuVhostUserGPUCreatePidFilename(const char *stateDir,
  * If the PID was not still alive, zero will be returned, and @pid will be
  * set to -1;
  */
-static int
+int
 qemuVhostUserGPUGetPid(const char *stateDir,
                        const char *shortName,
                        const char *alias,
diff --git a/src/qemu/qemu_vhost_user_gpu.h b/src/qemu/qemu_vhost_user_gpu.h
index 0d50dd2464..bde7104af6 100644
--- a/src/qemu/qemu_vhost_user_gpu.h
+++ b/src/qemu/qemu_vhost_user_gpu.h
@@ -40,6 +40,14 @@ void qemuExtVhostUserGPUStop(virQEMUDriver *driver,
                              virDomainVideoDef *video)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
 
+int
+qemuVhostUserGPUGetPid(const char *stateDir,
+                       const char *shortName,
+                       const char *alias,
+                       pid_t *pid)
+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3)
+    G_GNUC_WARN_UNUSED_RESULT;
+
 int
 qemuExtVhostUserGPUSetupCgroup(virQEMUDriver *driver,
                                virDomainDef *def,
-- 
2.35.1