diff options
Diffstat (limited to 'nptl/sysdeps/pthread/bits/libc-lock.h')
| -rw-r--r-- | nptl/sysdeps/pthread/bits/libc-lock.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/nptl/sysdeps/pthread/bits/libc-lock.h b/nptl/sysdeps/pthread/bits/libc-lock.h index de2ec7bb25..e594ede1dd 100644 --- a/nptl/sysdeps/pthread/bits/libc-lock.h +++ b/nptl/sysdeps/pthread/bits/libc-lock.h @@ -25,6 +25,10 @@ #include <stddef.h> +/* Nonzero if locking is needed. */ +extern int __libc_locking_needed attribute_hidden; + + /* Fortunately Linux now has a mean to do locking which is realtime safe without the aid of the thread library. We also need no fancy options like error checking mutexes etc. We only need simple |