diff options
Diffstat (limited to 'lib/locking/locking.c')
| -rw-r--r-- | lib/locking/locking.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/locking/locking.c b/lib/locking/locking.c index 363ec843..5af4db45 100644 --- a/lib/locking/locking.c +++ b/lib/locking/locking.c @@ -28,6 +28,8 @@ static void _block_signals(int flags) { sigset_t set; + /* Stop process memory getting swapped out */ +#ifdef MCL_CURRENT if (!_write_lock_held && (flags & LCK_SCOPE_MASK) == LCK_LV && (flags & LCK_TYPE_MASK) == LCK_WRITE) { if (mlockall(MCL_CURRENT | MCL_FUTURE)) @@ -37,6 +39,7 @@ static void _block_signals(int flags) _write_lock_held = 1; } } +#endif if (_signals_blocked) return; @@ -58,6 +61,7 @@ static void _block_signals(int flags) static void _unblock_signals(void) { +#ifdef MCL_CURRENT if (!_lock_count && _write_lock_held) { if (munlockall()) { log_very_verbose("Unlocking memory"); @@ -66,6 +70,7 @@ static void _unblock_signals(void) _write_lock_held = 0; } +#endif /* Don't unblock signals while any locks are held */ if (!_signals_blocked || _lock_count) |