REAL_FUNCTION_POINTER(readlink);
REAL_FUNCTION_POINTER(realpath);
-#if __GLIBC__ == 2 && __GLIBC_MINOR__ < 33
+#define HAS_XSTAT __GLIBC__ == 2 && __GLIBC_MINOR__ < 33
+
+#if HAS_XSTAT
REAL_FUNCTION_POINTER(__xstat);
REAL_FUNCTION_POINTER(__xstat64);
REAL_FUNCTION_POINTER(__fxstat);
REAL_FUNCTION_POINTER(__fxstat64);
+#else
+REAL_FUNCTION_POINTER(stat);
+REAL_FUNCTION_POINTER(stat64);
+REAL_FUNCTION_POINTER(fstat);
+REAL_FUNCTION_POINTER(fstat64);
#endif
/* Full path of /dev/dri/renderD* */
GET_FUNCTION_POINTER(readlink);
GET_FUNCTION_POINTER(realpath);
-#if __GLIBC__ == 2 && __GLIBC_MINOR__ < 33
+#if HAS_XSTAT
GET_FUNCTION_POINTER(__xstat);
GET_FUNCTION_POINTER(__xstat64);
GET_FUNCTION_POINTER(__fxstat);
GET_FUNCTION_POINTER(__fxstat64);
+#else
+ GET_FUNCTION_POINTER(stat);
+ GET_FUNCTION_POINTER(stat64);
+ GET_FUNCTION_POINTER(fstat);
+ GET_FUNCTION_POINTER(fstat64);
#endif
get_dri_render_node_minor();
}
PUBLIC int open64(const char*, int, ...) __attribute__((alias("open")));
-#if __GLIBC__ == 2 && __GLIBC_MINOR__ < 33
+#if HAS_XSTAT
/* Fakes stat to return character device stuff for our fake render node. */
PUBLIC int __xstat(int ver, const char *path, struct stat *st)
{
return 0;
}
+
+#else
+
+PUBLIC int stat(const char* path, struct stat* stat_buf)
+{
+ init_shim();
+
+ /* Note: call real stat if we're in the process of probing for a free
+ * render node!
+ */
+ if (render_node_minor == -1)
+ return real_stat(path, stat_buf);
+
+ /* Fool libdrm's probe of whether the /sys dir for this char dev is
+ * there.
+ */
+ char *sys_dev_drm_dir;
+ nfasprintf(&sys_dev_drm_dir,
+ "/sys/dev/char/%d:%d/device/drm",
+ DRM_MAJOR, render_node_minor);
+ if (strcmp(path, sys_dev_drm_dir) == 0) {
+ free(sys_dev_drm_dir);
+ return 0;
+ }
+ free(sys_dev_drm_dir);
+
+ if (strcmp(path, render_node_path) != 0)
+ return real_stat(path, stat_buf);
+
+ memset(stat_buf, 0, sizeof(*stat_buf));
+ stat_buf->st_rdev = makedev(DRM_MAJOR, render_node_minor);
+ stat_buf->st_mode = S_IFCHR;
+
+ return 0;
+}
+
+PUBLIC int stat64(const char* path, struct stat64* stat_buf)
+{
+ init_shim();
+
+ /* Note: call real stat if we're in the process of probing for a free
+ * render node!
+ */
+ if (render_node_minor == -1)
+ return real_stat64(path, stat_buf);
+
+ /* Fool libdrm's probe of whether the /sys dir for this char dev is
+ * there.
+ */
+ char *sys_dev_drm_dir;
+ nfasprintf(&sys_dev_drm_dir,
+ "/sys/dev/char/%d:%d/device/drm",
+ DRM_MAJOR, render_node_minor);
+ if (strcmp(path, sys_dev_drm_dir) == 0) {
+ free(sys_dev_drm_dir);
+ return 0;
+ }
+ free(sys_dev_drm_dir);
+
+ if (strcmp(path, render_node_path) != 0)
+ return real_stat64(path, stat_buf);
+
+ memset(stat_buf, 0, sizeof(*stat_buf));
+ stat_buf->st_rdev = makedev(DRM_MAJOR, render_node_minor);
+ stat_buf->st_mode = S_IFCHR;
+
+ return 0;
+}
+
+PUBLIC int fstat(int fd, struct stat* stat_buf)
+{
+ init_shim();
+
+ struct shim_fd *shim_fd = drm_shim_fd_lookup(fd);
+
+ if (!shim_fd)
+ return real_fstat(fd, stat_buf);
+
+ memset(stat_buf, 0, sizeof(*stat_buf));
+ stat_buf->st_rdev = makedev(DRM_MAJOR, render_node_minor);
+ stat_buf->st_mode = S_IFCHR;
+
+ return 0;
+}
+
+PUBLIC int fstat64(int fd, struct stat64* stat_buf)
+{
+ init_shim();
+
+ struct shim_fd *shim_fd = drm_shim_fd_lookup(fd);
+
+ if (!shim_fd)
+ return real_fstat64(fd, stat_buf);
+
+ memset(stat_buf, 0, sizeof(*stat_buf));
+ stat_buf->st_rdev = makedev(DRM_MAJOR, render_node_minor);
+ stat_buf->st_mode = S_IFCHR;
+
+ return 0;
+}
#endif
/* Tracks if the opendir was on /dev/dri. */