diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c index cb9578b47b..a7611d6a88 100644 --- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c +++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c @@ -1,5 +1,5 @@ /* low level locking for pthread library. SPARC version. - Copyright (C) 2003, 2006, 2007 Free Software Foundation, Inc. + Copyright (C) 2003, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. @@ -76,9 +76,21 @@ __lll_timedlock_wait (int *futex, const struct timespec *abstime) } -/* This function doesn't get included in libc.so */ +/* These don't get included in libc.so */ #ifdef IS_IN_libpthread int +lll_unlock_wake_cb (int *futex) +{ + int val = atomic_exchange_24_rel (futex, 0); + + if (__builtin_expect (val > 1, 0)) + lll_futex_wake (futex, 1); + + return 0; +} + + +int __lll_timedwait_tid (int *tidp, const struct timespec *abstime) { int tid; @@ -115,4 +127,5 @@ __lll_timedwait_tid (int *tidp, const struct timespec *abstime) return 0; } + #endif |