drm: add drmSyncobjWait wrapper

Reviewed-by: Chunming Zhou <david1.zhou@amd.com>

diff --git a/xf86drm.c b/xf86drm.c
index 6ea0112..8a32717 100644 (file)
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -4225,3 +4225,25 @@ int drmSyncobjExportSyncFile(int fd, uint32_t handle, int *sync_file_fd)
     *sync_file_fd = args.fd;
     return 0;
 }
+
+int drmSyncobjWait(int fd, uint32_t *handles, unsigned num_handles,
+                  int64_t timeout_nsec, unsigned flags,
+                  uint32_t *first_signaled)
+{
+       struct drm_syncobj_wait args;
+       int ret;
+
+       memclear(args);
+       args.handles = (intptr_t)handles;
+       args.timeout_nsec = timeout_nsec;
+       args.count_handles = num_handles;
+       args.flags = flags;
+
+       ret = drmIoctl(fd, DRM_IOCTL_SYNCOBJ_WAIT, &args);
+       if (ret < 0)
+               return ret;
+
+       if (first_signaled)
+               *first_signaled = args.first_signaled;
+       return ret;
+}

diff --git a/xf86drm.h b/xf86drm.h
index 2855a3e..ea650ef 100644 (file)
--- a/xf86drm.h
+++ b/xf86drm.h
@@ -860,6 +860,9 @@ extern int drmSyncobjFDToHandle(int fd, int obj_fd, uint32_t *handle);
 
 extern int drmSyncobjImportSyncFile(int fd, uint32_t handle, int sync_file_fd);
 extern int drmSyncobjExportSyncFile(int fd, uint32_t handle, int *sync_file_fd);
+extern int drmSyncobjWait(int fd, uint32_t *handles, unsigned num_handles,
+                         int64_t timeout_nsec, unsigned flags,
+                         uint32_t *first_signaled);
 
 #if defined(__cplusplus)
 }