diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sys/rseq.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sys/rseq.h b/sysdeps/unix/sysv/linux/sys/rseq.h index 0a6cc0b..38fdb27 100644 --- a/sysdeps/unix/sysv/linux/sys/rseq.h +++ b/sysdeps/unix/sysv/linux/sys/rseq.h @@ -152,6 +152,17 @@ struct rseq Inhibit instruction sequence block restart on migration for this thread. */ uint32_t flags; + /* Restartable sequences node_id field. Updated by the kernel. Read by + user-space with single-copy atomicity semantics. This field should only + be read by the thread which registered this data structure. Aligned on + 32-bit. Contains the current NUMA node ID. */ + uint32_t node_id; + /* Restartable sequences mm_cid field. Updated by the kernel. Read by + user-space with single-copy atomicity semantics. This field should only + be read by the thread which registered this data structure. Aligned on + 32-bit. Contains the current thread's concurrency ID (allocated + uniquely within a memory map). */ + uint32_t mm_cid; } __attribute__ ((__aligned__ (32))); #endif /* __GLIBC_HAVE_KERNEL_RSEQ */ |