| Message ID | 1492676028-15372-3-git-send-email-abdiel.janulgue@linux.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Apr 20, 2017 at 11:13:47AM +0300, Abdiel Janulgue wrote: > Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com> > --- > 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 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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) { + 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__ */
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com> --- lib/igt_debugfs.c | 26 ++++++++++++++++++++++++++ lib/igt_debugfs.h | 1 + 2 files changed, 27 insertions(+)