diff options
Diffstat (limited to 'src/loader')
| -rw-r--r-- | src/loader/loader.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/src/loader/loader.c b/src/loader/loader.c index 1eb90e8bba7..001c46d2a1b 100644 --- a/src/loader/loader.c +++ b/src/loader/loader.c @@ -71,10 +71,6 @@ #include <stdio.h> #include <stdbool.h> #include <string.h> -#ifdef HAVE_LIBUDEV -#include <assert.h> -#include <dlfcn.h> -#endif #ifdef MAJOR_IN_MKDEV #include <sys/mkdev.h> #endif @@ -124,88 +120,6 @@ loader_open_device(const char *device_name) return fd; } -#ifdef HAVE_LIBUDEV -#include <libudev.h> - -static void *udev_handle = NULL; - -static void * -udev_dlopen_handle(void) -{ - char name[80]; - unsigned flags = RTLD_NOLOAD | RTLD_LOCAL | RTLD_LAZY; - int version; - - /* libudev.so.1 changed the return types of the two unref functions - * from voids to pointers. We don't use those return values, and the - * only ABI I've heard that cares about this kind of change (calling - * a function with a void * return that actually only returns void) - * might be ia64. - */ - - /* First try opening an already linked libudev, then try loading one */ - do { - for (version = 1; version >= 0; version--) { - snprintf(name, sizeof(name), "libudev.so.%d", version); - udev_handle = dlopen(name, flags); - if (udev_handle) - return udev_handle; - } - - if ((flags & RTLD_NOLOAD) == 0) - break; - - flags &= ~RTLD_NOLOAD; - } while (1); - - log_(_LOADER_WARNING, - "Couldn't dlopen libudev.so.1 or " - "libudev.so.0, driver detection may be broken.\n"); - return NULL; -} - -static int dlsym_failed = 0; - -static void * -checked_dlsym(void *dlopen_handle, const char *name) -{ - void *result = dlsym(dlopen_handle, name); - if (!result) - dlsym_failed = 1; - return result; -} - -#define UDEV_SYMBOL(ret, name, args) \ - ret (*name) args = checked_dlsym(udev_dlopen_handle(), #name); - - -static inline struct udev_device * -udev_device_new_from_fd(struct udev *udev, int fd) -{ - struct udev_device *device; - struct stat buf; - UDEV_SYMBOL(struct udev_device *, udev_device_new_from_devnum, - (struct udev *udev, char type, dev_t devnum)); - - if (dlsym_failed) - return NULL; - - if (fstat(fd, &buf) < 0) { - log_(_LOADER_WARNING, "MESA-LOADER: failed to stat fd %d\n", fd); - return NULL; - } - - device = udev_device_new_from_devnum(udev, 'c', buf.st_rdev); - if (device == NULL) { - log_(_LOADER_WARNING, - "MESA-LOADER: could not create udev device for fd %d\n", fd); - return NULL; - } - - return device; -} -#endif - #if defined(HAVE_LIBDRM) #ifdef USE_DRICONF static const char __driConfigOptionsLoader[] = @@ -432,42 +346,6 @@ loader_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id) } -#ifdef HAVE_LIBUDEV -static char * -libudev_get_device_name_for_fd(int fd) -{ - char *device_name = NULL; - struct udev *udev; - struct udev_device *device; - const char *const_device_name; - UDEV_SYMBOL(struct udev *, udev_new, (void)); - UDEV_SYMBOL(const char *, udev_device_get_devnode, - (struct udev_device *)); - UDEV_SYMBOL(struct udev_device *, udev_device_unref, - (struct udev_device *)); - UDEV_SYMBOL(struct udev *, udev_unref, (struct udev *)); - - if (dlsym_failed) - return NULL; - - udev = udev_new(); - device = udev_device_new_from_fd(udev, fd); - if (device == NULL) - return NULL; - - const_device_name = udev_device_get_devnode(device); - if (!const_device_name) - goto out; - device_name = strdup(const_device_name); - -out: - udev_device_unref(device); - udev_unref(udev); - return device_name; -} -#endif - - #if HAVE_SYSFS static char * sysfs_get_device_name_for_fd(int fd) @@ -533,10 +411,6 @@ loader_get_device_name_for_fd(int fd) { char *result = NULL; -#if HAVE_LIBUDEV - if ((result = libudev_get_device_name_for_fd(fd))) - return result; -#endif #if HAVE_SYSFS if ((result = sysfs_get_device_name_for_fd(fd))) return result; |