diff options
author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-01-03 14:57:25 +0000 |
---|---|---|
committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-01-04 11:43:41 +0000 |
commit | a3f0d75d19aa252d3896af4763d6a9a5172f8814 (patch) | |
tree | 7a99b5ae1ed68e9d813bae33aa6ed61a867c2b73 /lib | |
parent | 31811f4b6c5a95de82e47ddf1f37739c3b2cfc58 (diff) |
igt/gem_exec_fence: Check sync_file->status after the fence is signaled
After the fence is signaled, the status feed reports whether or not the
request completed successfully. We set this to -EIO if a hang was
detected.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'lib')
-rw-r--r-- | lib/sw_sync.c | 17 | ||||
-rw-r--r-- | lib/sw_sync.h | 3 |
2 files changed, 20 insertions, 0 deletions
diff --git a/lib/sw_sync.c b/lib/sw_sync.c index 04585261..9dc6ec85 100644 --- a/lib/sw_sync.c +++ b/lib/sw_sync.c @@ -231,6 +231,23 @@ int sync_fence_count_status(int fd, int status) return count; } +int sync_fence_status(int fence) +{ + struct local_sync_fence_info fence_info; + struct local_sync_file_info file_info = { + .sync_fence_info = to_user_pointer(&fence_info), + .num_fences = 1, + }; + + if (ioctl(fence, LOCAL_SYNC_IOC_FILE_INFO, &file_info)) + return -errno; + + if (file_info.num_fences != 1) + return -EINVAL; + + return fence_info.status; +} + static bool kernel_has_sw_sync(void) { char buf[128]; diff --git a/lib/sw_sync.h b/lib/sw_sync.h index 82268908..571fe6a1 100644 --- a/lib/sw_sync.h +++ b/lib/sw_sync.h @@ -41,8 +41,11 @@ int sw_sync_timeline_create_fence(int timeline, uint32_t seqno); int sync_fence_merge(int fence1, int fence2); int sync_fence_wait(int fence, int timeout); +int sync_fence_status(int fence); int sync_fence_count(int fence); int sync_fence_count_status(int fence, int status); +#define SYNC_FENCE_OK 1 + #endif |