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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-09-22 13:42:26 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-09-23 10:03:10 +0200 |
| commit | be43b79fcabb7551677e2d27c75e2a500e2ba622 (patch) | |
| tree | adacb76593743ee5bf58d0ea5df2db97880b5d5a /freebsd/sys/sys/_rwlock.h | |
| parent | Include missing header file (diff) | |
| download | rtems-libbsd-be43b79fcabb7551677e2d27c75e2a500e2ba622.tar.bz2 | |
Replace RTEMS objects with custom implementation
Performance analysis revealed that the standard RTEMS objects are a
major bottleneck. The object get mechanism and attribute checks at
runtime have a significant overhead. Use a custom implementation for
synchronization primitives. This drops also the size of the
synchronization primitives considerably.
Diffstat (limited to 'freebsd/sys/sys/_rwlock.h')
| -rw-r--r-- | freebsd/sys/sys/_rwlock.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/freebsd/sys/sys/_rwlock.h b/freebsd/sys/sys/_rwlock.h index c5adac0e..25eb55e9 100644 --- a/freebsd/sys/sys/_rwlock.h +++ b/freebsd/sys/sys/_rwlock.h @@ -31,13 +31,20 @@ #ifndef _SYS__RWLOCK_H_ #define _SYS__RWLOCK_H_ +#ifdef __rtems__ +#include <machine/rtems-bsd-mutex.h> +#endif /* __rtems__ */ /* * Reader/writer lock. */ struct rwlock { struct lock_object lock_object; +#ifndef __rtems__ volatile uintptr_t rw_lock; +#else /* __rtems__ */ + rtems_bsd_mutex mutex; +#endif /* __rtems__ */ }; #endif /* !_SYS__RWLOCK_H_ */ |