diff options
| author | jhb <jhb@FreeBSD.org> | 2007-05-19 20:18:12 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2007-05-19 20:18:12 +0000 |
| commit | 3fb1eb1627b5ab7b81d7e6d42c11fd746a2c3740 (patch) | |
| tree | 52e2dd202169d6fbc0a38fb8900f31972d180fc3 /sys/kern/kern_sx.c | |
| parent | 52c853aadb49526870eec1c9f09cc63fc3204fc2 (diff) | |
| download | FreeBSD-src-3fb1eb1627b5ab7b81d7e6d42c11fd746a2c3740.zip FreeBSD-src-3fb1eb1627b5ab7b81d7e6d42c11fd746a2c3740.tar.gz | |
Expose sx_xholder() as a public macro. It returns a pointer to the thread
that holds the current exclusive lock, or NULL if no thread holds an
exclusive lock.
Requested by: pjd
Diffstat (limited to 'sys/kern/kern_sx.c')
| -rw-r--r-- | sys/kern/kern_sx.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/sys/kern/kern_sx.c b/sys/kern/kern_sx.c index 9c3b922..f60e1e1 100644 --- a/sys/kern/kern_sx.c +++ b/sys/kern/kern_sx.c @@ -101,14 +101,6 @@ __FBSDID("$FreeBSD$"); */ #define sx_recursed(sx) ((sx)->sx_recurse != 0) -/* - * Return a pointer to the owning thread if the lock is exclusively - * locked. - */ -#define sx_xholder(sx) \ - ((sx)->sx_lock & SX_LOCK_SHARED ? NULL : \ - (struct thread *)SX_OWNER((sx)->sx_lock)) - #ifdef DDB static void db_show_sx(struct lock_object *lock); #endif |
