On Thu, Apr 20, 2017 at 11:13:47AM +0300, Abdiel Janulgue wrote:
> Signed-off-by: Abdiel Janulgue <[email protected]>
> ---
> lib/igt_debugfs.c | 26 ++++++++++++++++++++++++++
> lib/igt_debugfs.h | 1 +
> 2 files changed, 27 insertions(+)
>
> diff --git a/lib/igt_debugfs.c b/lib/igt_debugfs.c
> index 7584be5..b019c3b 100644
> --- a/lib/igt_debugfs.c
> +++ b/lib/igt_debugfs.c
> @@ -22,6 +22,9 @@
> *
> */
>
> +#ifndef ANDROID
> +#define _GNU_SOURCE
> +#endif
> #include <inttypes.h>
> #include <sys/stat.h>
> #include <sys/mount.h>
> @@ -198,6 +201,29 @@ int igt_debugfs_dir(int device)
> igt_debug("Opening debugfs directory '%s'\n", path);
> return open(path, O_RDONLY);
> }
> +\
> +/**
> + * igt_debugfs_path:
> + * @device: fd of the device
> + *
> + * Returns:
> + * The path to the debugfs directory corresponding to device
> + */
> +const char *igt_debugfs_path(int device)
> +{
> + char *path = 0;
> +
> + if (!path) {
??
--
Petri Latvala
> + char *linkname;
> + int debugfs;
> + igt_assert((debugfs = igt_debugfs_dir(device)) != -1);
> + igt_assert(path = calloc(PATH_MAX, sizeof(char)));
> + igt_assert(asprintf(&linkname, "/proc/self/fd/%d", debugfs) !=
> -1);
> + igt_assert(readlink(linkname, path, PATH_MAX * sizeof(char)) !=
> -1);
> + }
> +
> + return path;
> +}
>
> /**
> * igt_debugfs_open:
> diff --git a/lib/igt_debugfs.h b/lib/igt_debugfs.h
> index 7b846a8..76cf409 100644
> --- a/lib/igt_debugfs.h
> +++ b/lib/igt_debugfs.h
> @@ -204,5 +204,6 @@ void igt_enable_prefault(void);
> */
> int igt_get_stable_obj_count(int driver);
> void igt_debugfs_dump(int device, const char *filename);
> +const char *igt_debugfs_path(int device);
>
> #endif /* __IGT_DEBUGFS_H__ */
> --
> 2.7.4
>
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