diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/lowlevellock.h')
| -rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/lowlevellock.h | 58 |
1 files changed, 57 insertions, 1 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/lowlevellock.h b/libpthread/nptl/sysdeps/unix/sysv/linux/lowlevellock.h index b5b0afdf8..e72fe5234 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/lowlevellock.h +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/lowlevellock.h @@ -71,10 +71,33 @@ # endif #endif - #define lll_futex_wait(futexp, val, private) \ lll_futex_timed_wait(futexp, val, NULL, private) +#if defined(__UCLIBC_USE_TIME64__) && defined(__NR_futex_time64) + +#define lll_futex_timed_wait(futexp, val, timespec, private) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + __ret = INTERNAL_SYSCALL (futex_time64, __err, 4, (futexp), \ + __lll_private_flag (FUTEX_WAIT, private), \ + (val), (timespec)); \ + __ret; \ + }) + +#define lll_futex_wake(futexp, nr, private) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + __ret = INTERNAL_SYSCALL (futex_time64, __err, 4, (futexp), \ + __lll_private_flag (FUTEX_WAKE, private), \ + (nr), 0); \ + __ret; \ + }) + +#else + #define lll_futex_timed_wait(futexp, val, timespec, private) \ ({ \ INTERNAL_SYSCALL_DECL (__err); \ @@ -95,6 +118,8 @@ __ret; \ }) +#endif + #define lll_robust_dead(futexv, private) \ do \ { \ @@ -105,6 +130,35 @@ while (0) /* Returns non-zero if error happened, zero if success. */ + +#if defined(__UCLIBC_USE_TIME64__) && defined(__NR_futex_time64) + +#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val, private) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + __ret = INTERNAL_SYSCALL (futex_time64, __err, 6, (futexp), \ + __lll_private_flag (FUTEX_CMP_REQUEUE, private),\ + (nr_wake), (nr_move), (mutex), (val)); \ + INTERNAL_SYSCALL_ERROR_P (__ret, __err); \ + }) + + +/* Returns non-zero if error happened, zero if success. */ +#define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2, private) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + __ret = INTERNAL_SYSCALL (futex_time64, __err, 6, (futexp), \ + __lll_private_flag (FUTEX_WAKE_OP, private), \ + (nr_wake), (nr_wake2), (futexp2), \ + FUTEX_OP_CLEAR_WAKE_IF_GT_ONE); \ + INTERNAL_SYSCALL_ERROR_P (__ret, __err); \ + }) + +#else + + #define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val, private) \ ({ \ INTERNAL_SYSCALL_DECL (__err); \ @@ -128,6 +182,8 @@ INTERNAL_SYSCALL_ERROR_P (__ret, __err); \ }) +#endif + #define lll_trylock(lock) \ atomic_compare_and_exchange_val_acq(&(lock), 1, 0) |