diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h index fafb0873f8..e0495622a3 100644 --- a/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h @@ -50,6 +50,11 @@ #define LLL_PRIVATE 0 #define LLL_SHARED FUTEX_PRIVATE_FLAG +#ifndef __sparc32_atomic_do_lock +/* Delay in spinlock loop. */ +extern void __cpu_relax(void); +#define BUSY_WAIT_NOP __cpu_relax() +#endif #if !defined NOT_IN_libc || defined IS_IN_rtld /* In libc.so or ld.so all futexes are private. */ |