diff options
Diffstat (limited to 'video/out/wayland_common.c')
-rw-r--r-- | video/out/wayland_common.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/video/out/wayland_common.c b/video/out/wayland_common.c index 0c41c49e50..282fefefef 100644 --- a/video/out/wayland_common.c +++ b/video/out/wayland_common.c @@ -1638,6 +1638,29 @@ static void vo_wayland_dispatch_events(struct vo_wayland_state *wl, int nfds, in } /* Non-static */ +int vo_wayland_allocate_memfd(struct vo *vo, size_t size) +{ +#if !HAVE_MEMFD_CREATE + return VO_ERROR; +#else + int fd = memfd_create("mpv", MFD_CLOEXEC | MFD_ALLOW_SEALING); + if (fd < 0) { + MP_ERR(vo, "Failed to allocate memfd: %s\n", mp_strerror(errno)); + return VO_ERROR; + } + + fcntl(fd, F_ADD_SEALS, F_SEAL_SHRINK | F_SEAL_SEAL); + + if (posix_fallocate(fd, 0, size) == 0) + return fd; + + close(fd); + MP_ERR(vo, "Failed to allocate memfd: %s\n", mp_strerror(errno)); + + return VO_ERROR; +#endif +} + bool vo_wayland_check_visible(struct vo *vo) { struct vo_wayland_state *wl = vo->wl; |