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Viewing changes to storage/pbxt/src/locklist_xt.cc

  • Committer: Package Import Robot
  • Author(s): Otto Kekäläinen
  • Date: 2013-12-22 10:27:05 UTC
  • Revision ID: package-import@ubuntu.com-20131222102705-mndw7s12mz0szrcn
Tags: upstream-5.5.32
Import upstream version 5.5.32

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storage/pbxt/src/locklist_xt.cc
 
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/* Copyright (c) 2009 PrimeBase Technologies GmbH
 
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 *
 
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 * PrimeBase XT
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2 of the License, or
 
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 * (at your option) any later version.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software
 
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
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 *
 
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 * 2009-01-20   Vladimir Kolesnikov
 
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 *
 
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 * H&G2JCtL
 
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 */
 
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#include "xt_config.h"
 
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#include "locklist_xt.h"
 
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#ifdef XT_THREAD_LOCK_INFO
 
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#include "pthread_xt.h"
 
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#include "thread_xt.h"
 
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#include "trace_xt.h"
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, XTSpinLock *lock)
 
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{
 
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        ptr->li_spin_lock = lock;
 
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        ptr->li_lock_type = XTThreadLockInfo::SPIN_LOCK;
 
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}
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, XTRWMutex *lock)
 
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{
 
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        ptr->li_rw_mutex  = lock;
 
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        ptr->li_lock_type = XTThreadLockInfo::RW_MUTEX;
 
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}
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, XTFastLock *lock)
 
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{
 
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        ptr->li_fast_lock  = lock;
 
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        ptr->li_lock_type = XTThreadLockInfo::FAST_LOCK;
 
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}
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, xt_mutex_struct *lock)
 
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{
 
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        ptr->li_mutex     = lock;
 
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        ptr->li_lock_type = XTThreadLockInfo::MUTEX;
 
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}
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, xt_rwlock_struct *lock)
 
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{
 
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        ptr->li_rwlock    = lock;
 
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        ptr->li_lock_type = XTThreadLockInfo::RW_LOCK;
 
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}
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, XTXSMutexLock *lock)
 
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{
 
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        ptr->li_fast_rwlock = lock;
 
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        ptr->li_lock_type   = XTThreadLockInfo::FAST_RW_LOCK;
 
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}
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, XTSpinXSLock *lock)
 
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{
 
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        ptr->li_spin_rwlock = lock;
 
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        ptr->li_lock_type   = XTThreadLockInfo::SPIN_RW_LOCK;
 
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}
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, XTAtomicRWLock *lock)
 
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{
 
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        ptr->li_atomic_rwlock = lock;
 
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        ptr->li_lock_type   = XTThreadLockInfo::ATOMIC_RW_LOCK;
 
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}
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, XTSkewRWLock *lock)
 
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{
 
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        ptr->li_skew_rwlock = lock;
 
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        ptr->li_lock_type   = XTThreadLockInfo::SKEW_RW_LOCK;
 
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}
 
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void xt_thread_lock_info_free(XTThreadLockInfoPtr ptr)
 
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{
 
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        /* TODO: check to see if it's present in a thread's list */
 
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}
 
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void xt_thread_lock_info_add_owner (XTThreadLockInfoPtr ptr)
 
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{
 
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        XTThread *self = xt_get_self();
 
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        if (!self)
 
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                return;
 
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        if (self->st_thread_lock_count < XT_THREAD_LOCK_INFO_MAX_COUNT) {
 
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                self->st_thread_lock_list[self->st_thread_lock_count] = ptr;
 
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                self->st_thread_lock_count++;
 
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        }
 
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}
 
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void xt_thread_lock_info_release_owner (XTThreadLockInfoPtr ptr)
 
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{
 
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        XTThread *self = xt_get_self();
 
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        if (!self)
 
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                return;
 
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        for (int i = self->st_thread_lock_count - 1; i >= 0; i--) {
 
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                if (self->st_thread_lock_list[i] == ptr) {
 
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                        self->st_thread_lock_count--;
 
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                        memcpy(self->st_thread_lock_list + i, 
 
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                                self->st_thread_lock_list + i + 1, 
 
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                                (self->st_thread_lock_count - i)*sizeof(XTThreadLockInfoPtr));
 
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                        self->st_thread_lock_list[self->st_thread_lock_count] = NULL;
 
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                        break;
 
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                }
 
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        }
 
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}
 
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void xt_trace_thread_locks(XTThread *self)
 
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{
 
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        if (!self)
 
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                return;
 
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        xt_ttracef(self, "thread lock list (first in list added first): ");
 
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        if (!self->st_thread_lock_count) {
 
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                xt_trace(" <empty>\n");
 
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                return;
 
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        }
 
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        xt_trace("\n");
 
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        int count = min(self->st_thread_lock_count, XT_THREAD_LOCK_INFO_MAX_COUNT);
 
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        for(int i = 0; i < count; i++) {
 
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                const char *lock_type = NULL;
 
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                const char *lock_name = NULL;
 
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                XTThreadLockInfoPtr li = self->st_thread_lock_list[i];
 
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                switch(li->li_lock_type) {
 
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                        case XTThreadLockInfo::SPIN_LOCK:
 
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                                lock_type = "XTSpinLock";
 
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                                lock_name = li->li_spin_lock->spl_name;
 
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                                break;
 
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                        case XTThreadLockInfo::RW_MUTEX:
 
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                                lock_type = "XTRWMutex";
 
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                                lock_name = li->li_rw_mutex->xs_name;
 
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                                break;
 
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                        case XTThreadLockInfo::MUTEX:
 
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                                lock_type = "xt_mutex_struct";
 
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#ifdef XT_WIN
 
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                                lock_name = li->li_mutex->mt_name;
 
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#else
 
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                                lock_name = li->li_mutex->mu_name;
 
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#endif
 
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                                break;
 
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                        case XTThreadLockInfo::RW_LOCK:
 
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                                lock_type = "xt_rwlock_struct";
 
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                                lock_name = li->li_rwlock->rw_name;
 
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                                break;
 
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                        case XTThreadLockInfo::FAST_LOCK:
 
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                                lock_type = "XTFastLock";
 
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                                lock_name = li->li_fast_lock->fal_name;
 
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                                break;
 
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                        case XTThreadLockInfo::FAST_RW_LOCK:
 
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                                lock_type = "XTXSMutexLock";
 
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                                lock_name = li->li_fast_rwlock->xsm_name;
 
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                                break;
 
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                        case XTThreadLockInfo::SPIN_RW_LOCK:
 
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                                lock_type = "XTSpinRWLock";
 
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                                lock_name = li->li_spin_rwlock->sxs_name;
 
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                                break;
 
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                        case XTThreadLockInfo::ATOMIC_RW_LOCK:
 
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                                lock_type = "XTAtomicRWLock";
 
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                                lock_name = li->li_atomic_rwlock->arw_name;
 
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                                break;
 
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                        case XTThreadLockInfo::SKEW_RW_LOCK:
 
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                                lock_type = "XTSkewRWLock";
 
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                                lock_name = li->li_skew_rwlock->srw_name;
 
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                                break;
 
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                }
 
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                xt_ttracef(self, "  #lock#%d: type: %s name: %s \n", count, lock_type, lock_name);
 
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        }
 
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}
 
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#elif defined(__WIN__)
 
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// Remove linker warning 4221 about empty file
 
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namespace { char dummy; };
 
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#endif
 
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