diff options
Diffstat (limited to 'sys/kern/kern_sx.c')
-rw-r--r-- | sys/kern/kern_sx.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/sys/kern/kern_sx.c b/sys/kern/kern_sx.c index 6342252..04c2c98 100644 --- a/sys/kern/kern_sx.c +++ b/sys/kern/kern_sx.c @@ -66,8 +66,7 @@ __FBSDID("$FreeBSD$"); #define ADAPTIVE_SX #endif -CTASSERT(((SX_NOADAPTIVE | SX_RECURSE) & LO_CLASSFLAGS) == - (SX_NOADAPTIVE | SX_RECURSE)); +CTASSERT((SX_NOADAPTIVE & LO_CLASSFLAGS) == SX_NOADAPTIVE); /* Handy macros for sleep queues. */ #define SQ_EXCLUSIVE_QUEUE 0 @@ -207,17 +206,19 @@ sx_init_flags(struct sx *sx, const char *description, int opts) MPASS((opts & ~(SX_QUIET | SX_RECURSE | SX_NOWITNESS | SX_DUPOK | SX_NOPROFILE | SX_NOADAPTIVE)) == 0); - flags = LO_RECURSABLE | LO_SLEEPABLE | LO_UPGRADABLE; + flags = LO_SLEEPABLE | LO_UPGRADABLE; if (opts & SX_DUPOK) flags |= LO_DUPOK; if (opts & SX_NOPROFILE) flags |= LO_NOPROFILE; if (!(opts & SX_NOWITNESS)) flags |= LO_WITNESS; + if (opts & SX_RECURSE) + flags |= LO_RECURSABLE; if (opts & SX_QUIET) flags |= LO_QUIET; - flags |= opts & (SX_NOADAPTIVE | SX_RECURSE); + flags |= opts & SX_NOADAPTIVE; sx->sx_lock = SX_LOCK_UNLOCKED; sx->sx_recurse = 0; lock_init(&sx->lock_object, &lock_class_sx, description, NULL, flags); @@ -305,7 +306,8 @@ _sx_try_xlock(struct sx *sx, const char *file, int line) KASSERT(sx->sx_lock != SX_LOCK_DESTROYED, ("sx_try_xlock() of destroyed sx @ %s:%d", file, line)); - if (sx_xlocked(sx) && (sx->lock_object.lo_flags & SX_RECURSE) != 0) { + if (sx_xlocked(sx) && + (sx->lock_object.lo_flags & LO_RECURSABLE) != 0) { sx->sx_recurse++; atomic_set_ptr(&sx->sx_lock, SX_LOCK_RECURSED); rval = 1; @@ -479,7 +481,7 @@ _sx_xlock_hard(struct sx *sx, uintptr_t tid, int opts, const char *file, /* If we already hold an exclusive lock, then recurse. */ if (sx_xlocked(sx)) { - KASSERT((sx->lock_object.lo_flags & SX_RECURSE) != 0, + KASSERT((sx->lock_object.lo_flags & LO_RECURSABLE) != 0, ("_sx_xlock_hard: recursed on non-recursive sx %s @ %s:%d\n", sx->lock_object.lo_name, file, line)); sx->sx_recurse++; |