[PATCH weston] launcher: Wrap drmGetMagic and drmAuthMagic so we can build without libdrm
Tomeu Vizoso
tomeu at tomeuvizoso.net
Wed Oct 9 11:30:57 CEST 2013
---
src/launcher-util.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/src/launcher-util.c b/src/launcher-util.c
index 6c28dc3..8b19b9d 100644
--- a/src/launcher-util.c
+++ b/src/launcher-util.c
@@ -80,9 +80,19 @@ drm_set_master(int drm_fd)
return drmSetMaster(drm_fd);
return -EBADF;
}
+static int
+drm_check_master(int drm_fd)
+{
+ drm_magic_t magic;
+ if (drm_fd != -1)
+ return drmGetMagic(drm_fd, &magic) != 0 ||
+ drmAuthMagic(drm_fd, magic) != 0;
+ return 0;
+}
#else
static int drm_drop_master(int drm_fd) {return 0;}
static int drm_set_master(int drm_fd) {return 0;}
+static int drm_check_master(int drm_fd) {return 1;}
#endif
int
@@ -110,10 +120,8 @@ weston_launcher_open(struct weston_launcher *launcher,
}
if (major(s.st_rdev) == DRM_MAJOR) {
- drm_magic_t magic;
launcher->drm_fd = fd;
- if (drmGetMagic(fd, &magic) != 0 ||
- drmAuthMagic(fd, magic) != 0) {
+ if (!drm_check_master(fd)) {
weston_log("drm fd not master\n");
close(fd);
return -1;
--
1.8.3.1
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