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Direktori : /usr/local/lib/perl5/site_perl/mach/5.32/sys/ |
Current File : //usr/local/lib/perl5/site_perl/mach/5.32/sys/rwlock.ph |
require '_h2ph_pre.ph'; no warnings qw(redefine misc); unless(defined(&_SYS_RWLOCK_H_)) { eval 'sub _SYS_RWLOCK_H_ () {1;}' unless defined(&_SYS_RWLOCK_H_); require 'sys/_lock.ph'; require 'sys/_rwlock.ph'; require 'sys/lock_profile.ph'; require 'sys/lockstat.ph'; if(defined(&_KERNEL)) { require 'sys/pcpu.ph'; require 'machine/atomic.ph'; } eval 'sub RW_LOCK_READ () {0x1;}' unless defined(&RW_LOCK_READ); eval 'sub RW_LOCK_READ_WAITERS () {0x2;}' unless defined(&RW_LOCK_READ_WAITERS); eval 'sub RW_LOCK_WRITE_WAITERS () {0x4;}' unless defined(&RW_LOCK_WRITE_WAITERS); eval 'sub RW_LOCK_WRITE_SPINNER () {0x8;}' unless defined(&RW_LOCK_WRITE_SPINNER); eval 'sub RW_LOCK_WRITER_RECURSED () {0x10;}' unless defined(&RW_LOCK_WRITER_RECURSED); eval 'sub RW_LOCK_FLAGMASK () {( &RW_LOCK_READ | &RW_LOCK_READ_WAITERS | &RW_LOCK_WRITE_WAITERS | &RW_LOCK_WRITE_SPINNER | &RW_LOCK_WRITER_RECURSED);}' unless defined(&RW_LOCK_FLAGMASK); eval 'sub RW_LOCK_WAITERS () {( &RW_LOCK_READ_WAITERS | &RW_LOCK_WRITE_WAITERS);}' unless defined(&RW_LOCK_WAITERS); eval 'sub RW_OWNER { my($x) = @_; eval q((($x) & ~ &RW_LOCK_FLAGMASK)); }' unless defined(&RW_OWNER); eval 'sub RW_READERS_SHIFT () {5;}' unless defined(&RW_READERS_SHIFT); eval 'sub RW_READERS { my($x) = @_; eval q(( &RW_OWNER(($x)) >> &RW_READERS_SHIFT)); }' unless defined(&RW_READERS); eval 'sub RW_READERS_LOCK { my($x) = @_; eval q((($x) << &RW_READERS_SHIFT | &RW_LOCK_READ)); }' unless defined(&RW_READERS_LOCK); eval 'sub RW_ONE_READER () {(1<< &RW_READERS_SHIFT);}' unless defined(&RW_ONE_READER); eval 'sub RW_UNLOCKED () { &RW_READERS_LOCK(0);}' unless defined(&RW_UNLOCKED); eval 'sub RW_DESTROYED () {( &RW_LOCK_READ_WAITERS | &RW_LOCK_WRITE_WAITERS);}' unless defined(&RW_DESTROYED); if(defined(&_KERNEL)) { eval 'sub rw_recurse () { ($lock_object->{lo_data});}' unless defined(&rw_recurse); eval 'sub RW_READ_VALUE { my($x) = @_; eval q((($x)-> &rw_lock)); }' unless defined(&RW_READ_VALUE); eval 'sub _rw_write_lock { my($rw, $tid) = @_; eval q( &atomic_cmpset_acq_ptr(($rw)-> &rw_lock, &RW_UNLOCKED, ($tid))); }' unless defined(&_rw_write_lock); eval 'sub _rw_write_lock_fetch { my($rw, $vp, $tid) = @_; eval q( &atomic_fcmpset_acq_ptr(($rw)-> &rw_lock, $vp, ($tid))); }' unless defined(&_rw_write_lock_fetch); eval 'sub _rw_write_unlock { my($rw, $tid) = @_; eval q( &atomic_cmpset_rel_ptr(($rw)-> &rw_lock, ($tid), &RW_UNLOCKED)); }' unless defined(&_rw_write_unlock); eval 'sub _rw_write_unlock_fetch { my($rw, $tid) = @_; eval q( &atomic_fcmpset_rel_ptr(($rw)-> &rw_lock, ($tid), &RW_UNLOCKED)); }' unless defined(&_rw_write_unlock_fetch); eval 'sub __rw_wlock { my($rw, $tid, $file, $line) = @_; eval q( &do { &uintptr_t &_tid = ( &uintptr_t)($tid); &uintptr_t &_v = &RW_UNLOCKED; &if ( &__predict_false( &LOCKSTAT_PROFILE_ENABLED( &rw__acquire) || ! &_rw_write_lock_fetch(($rw), & &_v, &_tid))) &_rw_wlock_hard(($rw), &_v, ($file), ($line)); } &while (0)); }' unless defined(&__rw_wlock); eval 'sub __rw_wunlock { my($rw, $tid, $file, $line) = @_; eval q( &do { &uintptr_t &_v = ( &uintptr_t)($tid); &if ( &__predict_false( &LOCKSTAT_PROFILE_ENABLED( &rw__release) || ! &_rw_write_unlock_fetch(($rw), & &_v))) &_rw_wunlock_hard(($rw), &_v, ($file), ($line)); } &while (0)); }' unless defined(&__rw_wunlock); if(defined(&INVARIANTS) || defined(&INVARIANT_SUPPORT)) { } eval 'sub rw_init { my($rw, $n) = @_; eval q( &_rw_init_flags(($rw)-> &rw_lock, $n, 0)); }' unless defined(&rw_init); eval 'sub rw_init_flags { my($rw, $n, $o) = @_; eval q( &_rw_init_flags(($rw)-> &rw_lock, $n, $o)); }' unless defined(&rw_init_flags); eval 'sub rw_destroy { my($rw) = @_; eval q( &_rw_destroy(($rw)-> &rw_lock)); }' unless defined(&rw_destroy); eval 'sub rw_wowned { my($rw) = @_; eval q( &_rw_wowned(($rw)-> &rw_lock)); }' unless defined(&rw_wowned); eval 'sub _rw_wlock { my($rw, $f, $l) = @_; eval q( &_rw_wlock_cookie(($rw)-> &rw_lock, $f, $l)); }' unless defined(&_rw_wlock); eval 'sub _rw_try_wlock { my($rw, $f, $l) = @_; eval q( &__rw_try_wlock(($rw)-> &rw_lock, $f, $l)); }' unless defined(&_rw_try_wlock); eval 'sub _rw_wunlock { my($rw, $f, $l) = @_; eval q( &_rw_wunlock_cookie(($rw)-> &rw_lock, $f, $l)); }' unless defined(&_rw_wunlock); eval 'sub _rw_try_rlock { my($rw, $f, $l) = @_; eval q( &__rw_try_rlock(($rw)-> &rw_lock, $f, $l)); }' unless defined(&_rw_try_rlock); if((defined(&LOCK_DEBUG) ? &LOCK_DEBUG : undef) > 0) { eval 'sub _rw_rlock { my($rw, $f, $l) = @_; eval q( &__rw_rlock(($rw)-> &rw_lock, $f, $l)); }' unless defined(&_rw_rlock); eval 'sub _rw_runlock { my($rw, $f, $l) = @_; eval q( &_rw_runlock_cookie(($rw)-> &rw_lock, $f, $l)); }' unless defined(&_rw_runlock); } else { eval 'sub _rw_rlock { my($rw, $f, $l) = @_; eval q( &__rw_rlock_int($rw)); }' unless defined(&_rw_rlock); eval 'sub _rw_runlock { my($rw, $f, $l) = @_; eval q( &_rw_runlock_cookie_int($rw)); }' unless defined(&_rw_runlock); } if((defined(&LOCK_DEBUG) ? &LOCK_DEBUG : undef) > 0) { eval 'sub _rw_wlock_hard { my($rw, $v, $f, $l) = @_; eval q( &__rw_wlock_hard(($rw)-> &rw_lock, $v, $f, $l)); }' unless defined(&_rw_wlock_hard); eval 'sub _rw_wunlock_hard { my($rw, $v, $f, $l) = @_; eval q( &__rw_wunlock_hard(($rw)-> &rw_lock, $v, $f, $l)); }' unless defined(&_rw_wunlock_hard); eval 'sub _rw_try_upgrade { my($rw, $f, $l) = @_; eval q( &__rw_try_upgrade(($rw)-> &rw_lock, $f, $l)); }' unless defined(&_rw_try_upgrade); eval 'sub _rw_downgrade { my($rw, $f, $l) = @_; eval q( &__rw_downgrade(($rw)-> &rw_lock, $f, $l)); }' unless defined(&_rw_downgrade); } else { eval 'sub _rw_wlock_hard { my($rw, $v, $f, $l) = @_; eval q( &__rw_wlock_hard(($rw)-> &rw_lock, $v)); }' unless defined(&_rw_wlock_hard); eval 'sub _rw_wunlock_hard { my($rw, $v, $f, $l) = @_; eval q( &__rw_wunlock_hard(($rw)-> &rw_lock, $v)); }' unless defined(&_rw_wunlock_hard); eval 'sub _rw_try_upgrade { my($rw, $f, $l) = @_; eval q( &__rw_try_upgrade_int($rw)); }' unless defined(&_rw_try_upgrade); eval 'sub _rw_downgrade { my($rw, $f, $l) = @_; eval q( &__rw_downgrade_int($rw)); }' unless defined(&_rw_downgrade); } if(defined(&INVARIANTS) || defined(&INVARIANT_SUPPORT)) { eval 'sub _rw_assert { my($rw, $w, $f, $l) = @_; eval q( &__rw_assert(($rw)-> &rw_lock, $w, $f, $l)); }' unless defined(&_rw_assert); } unless(defined(&LOCK_DEBUG)) { die("LOCK_DEBUG\ not\ defined\,\ include\ \<sys\/lock\.h\>\ before\ \<sys\/rwlock\.h\>"); } if((defined(&LOCK_DEBUG) ? &LOCK_DEBUG : undef) > 0|| defined(&RWLOCK_NOINLINE)) { eval 'sub rw_wlock { my($rw) = @_; eval q( &_rw_wlock(($rw), &LOCK_FILE, &LOCK_LINE)); }' unless defined(&rw_wlock); eval 'sub rw_wunlock { my($rw) = @_; eval q( &_rw_wunlock(($rw), &LOCK_FILE, &LOCK_LINE)); }' unless defined(&rw_wunlock); } else { eval 'sub rw_wlock { my($rw) = @_; eval q( &__rw_wlock(($rw), &curthread, &LOCK_FILE, &LOCK_LINE)); }' unless defined(&rw_wlock); eval 'sub rw_wunlock { my($rw) = @_; eval q( &__rw_wunlock(($rw), &curthread, &LOCK_FILE, &LOCK_LINE)); }' unless defined(&rw_wunlock); } eval 'sub rw_rlock { my($rw) = @_; eval q( &_rw_rlock(($rw), &LOCK_FILE, &LOCK_LINE)); }' unless defined(&rw_rlock); eval 'sub rw_runlock { my($rw) = @_; eval q( &_rw_runlock(($rw), &LOCK_FILE, &LOCK_LINE)); }' unless defined(&rw_runlock); eval 'sub rw_try_rlock { my($rw) = @_; eval q( &_rw_try_rlock(($rw), &LOCK_FILE, &LOCK_LINE)); }' unless defined(&rw_try_rlock); eval 'sub rw_try_upgrade { my($rw) = @_; eval q( &_rw_try_upgrade(($rw), &LOCK_FILE, &LOCK_LINE)); }' unless defined(&rw_try_upgrade); eval 'sub rw_try_wlock { my($rw) = @_; eval q( &_rw_try_wlock(($rw), &LOCK_FILE, &LOCK_LINE)); }' unless defined(&rw_try_wlock); eval 'sub rw_downgrade { my($rw) = @_; eval q( &_rw_downgrade(($rw), &LOCK_FILE, &LOCK_LINE)); }' unless defined(&rw_downgrade); eval 'sub rw_unlock { my($rw) = @_; eval q( &do { &if ( &rw_wowned($rw)) &rw_wunlock($rw); &else &rw_runlock($rw); } &while (0)); }' unless defined(&rw_unlock); eval 'sub rw_sleep { my($chan, $rw, $pri, $wmesg, $timo) = @_; eval q( &_sleep(($chan), ($rw)-> &lock_object, ($pri), ($wmesg), &tick_sbt * ($timo), 0, &C_HARDCLOCK)); }' unless defined(&rw_sleep); eval 'sub rw_initialized { my($rw) = @_; eval q( &lock_initialized(($rw)-> &lock_object)); }' unless defined(&rw_initialized); eval 'sub RW_SYSINIT_FLAGS { my($name, $rw, $desc, $flags) = @_; eval q( &static \'struct rw_args\' $name &_args = { ($rw), ($desc), ($flags), }; &SYSINIT($name &_rw_sysinit, &SI_SUB_LOCK, &SI_ORDER_MIDDLE, &rw_sysinit, $name &_args); &SYSUNINIT($name &_rw_sysuninit, &SI_SUB_LOCK, &SI_ORDER_MIDDLE, &_rw_destroy, &__DEVOLATILE( &void *, ($rw)-> &rw_lock))); }' unless defined(&RW_SYSINIT_FLAGS); eval 'sub RW_SYSINIT { my($name, $rw, $desc) = @_; eval q( &RW_SYSINIT_FLAGS($name, $rw, $desc, 0)); }' unless defined(&RW_SYSINIT); eval 'sub RW_DUPOK () {0x1;}' unless defined(&RW_DUPOK); eval 'sub RW_NOPROFILE () {0x2;}' unless defined(&RW_NOPROFILE); eval 'sub RW_NOWITNESS () {0x4;}' unless defined(&RW_NOWITNESS); eval 'sub RW_QUIET () {0x8;}' unless defined(&RW_QUIET); eval 'sub RW_RECURSE () {0x10;}' unless defined(&RW_RECURSE); eval 'sub RW_NEW () {0x20;}' unless defined(&RW_NEW); if(defined(&INVARIANTS) || defined(&INVARIANT_SUPPORT)) { eval 'sub RA_LOCKED () { &LA_LOCKED;}' unless defined(&RA_LOCKED); eval 'sub RA_RLOCKED () { &LA_SLOCKED;}' unless defined(&RA_RLOCKED); eval 'sub RA_WLOCKED () { &LA_XLOCKED;}' unless defined(&RA_WLOCKED); eval 'sub RA_UNLOCKED () { &LA_UNLOCKED;}' unless defined(&RA_UNLOCKED); eval 'sub RA_RECURSED () { &LA_RECURSED;}' unless defined(&RA_RECURSED); eval 'sub RA_NOTRECURSED () { &LA_NOTRECURSED;}' unless defined(&RA_NOTRECURSED); } if(defined(&INVARIANTS)) { eval 'sub rw_assert { my($rw, $what) = @_; eval q( &_rw_assert(($rw), ($what), &LOCK_FILE, &LOCK_LINE)); }' unless defined(&rw_assert); } else { eval 'sub rw_assert { my($rw, $what) = @_; eval q(); }' unless defined(&rw_assert); } } } 1;