+++ /dev/null
-/* crypto/threads/th-lock.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-#include <config.h>
-#include "../rename.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#ifdef LINUX
-#include <typedefs.h>
-#endif
-#ifdef WIN32
-#include <windows.h>
-#endif
-#ifdef SOLARIS
-#include <synch.h>
-#include <thread.h>
-#endif
-#ifdef IRIX
-#include <ulocks.h>
-#include <sys/prctl.h>
-#endif
-#include <openssl/lhash.h>
-#include <openssl/crypto.h>
-#include <openssl/buffer.h>
-#include <openssl/e_os.h>
-#include <openssl/err.h>
-
-int CRYPTO_thread_setup(void);
-void CRYPTO_thread_cleanup(void);
-
-#ifdef IRIX
-static void irix_locking_callback(int mode,int type,char *file,int line);
-static unsigned long irix_thread_id(void );
-#endif
-#ifdef SOLARIS
-static void solaris_locking_callback(int mode,int type,char *file,int line);
-static unsigned long solaris_thread_id(void );
-#endif
-#ifdef WIN32
-static void win32_locking_callback(int mode,int type,char *file,int line);
-#endif
-#ifdef PTHREADS
-static void pthreads_locking_callback(int mode,int type,char *file,int line);
-static unsigned long pthreads_thread_id(void );
-#endif
-
-/* usage:
- * CRYPTO_thread_setup();
- * applicaion code
- * CRYPTO_thread_cleanup();
- */
-
-#define THREAD_STACK_SIZE (16*1024)
-
-#ifdef WIN32
-
-static HANDLE lock_cs[CRYPTO_NUM_LOCKS];
-
-int CRYPTO_thread_setup(void)
- {
- int i;
-
- for (i=0; i<CRYPTO_NUM_LOCKS; i++)
- {
- lock_cs[i]=CreateMutex(NULL,FALSE,NULL);
- }
-
- CRYPTO_set_locking_callback((void (*)(int,int,char *,int))win32_locking_callback);
- /* id callback defined */
- return(1);
- }
-
-static void CRYPTO_thread_cleanup(void)
- {
- int i;
-
- CRYPTO_set_locking_callback(NULL);
- for (i=0; i<CRYPTO_NUM_LOCKS; i++)
- CloseHandle(lock_cs[i]);
- }
-
-void win32_locking_callback(int mode, int type, char *file, int line)
- {
- if (mode & CRYPTO_LOCK)
- {
- WaitForSingleObject(lock_cs[type],INFINITE);
- }
- else
- {
- ReleaseMutex(lock_cs[type]);
- }
- }
-
-#endif /* WIN32 */
-
-#ifdef SOLARIS
-
-#define USE_MUTEX
-
-static mutex_t lock_cs[CRYPTO_NUM_LOCKS];
-#ifdef USE_MUTEX
-static long lock_count[CRYPTO_NUM_LOCKS];
-#else
-static rwlock_t lock_cs[CRYPTO_NUM_LOCKS];
-#endif
-
-void CRYPTO_thread_setup(void)
- {
- int i;
-
- for (i=0; i<CRYPTO_NUM_LOCKS; i++)
- {
- lock_count[i]=0;
-#ifdef USE_MUTEX
- mutex_init(&(lock_cs[i]),USYNC_THREAD,NULL);
-#else
- rwlock_init(&(lock_cs[i]),USYNC_THREAD,NULL);
-#endif
- }
-
- CRYPTO_set_id_callback((unsigned long (*)())solaris_thread_id);
- CRYPTO_set_locking_callback((void (*)())solaris_locking_callback);
- }
-
-void CRYPTO_thread_cleanup(void)
- {
- int i;
-
- CRYPTO_set_locking_callback(NULL);
- for (i=0; i<CRYPTO_NUM_LOCKS; i++)
- {
-#ifdef USE_MUTEX
- mutex_destroy(&(lock_cs[i]));
-#else
- rwlock_destroy(&(lock_cs[i]));
-#endif
- }
- }
-
-void solaris_locking_callback(int mode, int type, char *file, int line)
- {
-#if 0
- fprintf(stderr,"thread=%4d mode=%s lock=%s %s:%d\n",
- CRYPTO_thread_id(),
- (mode&CRYPTO_LOCK)?"l":"u",
- (type&CRYPTO_READ)?"r":"w",file,line);
-#endif
-
-#if 0
- if (CRYPTO_LOCK_SSL_CERT == type)
- fprintf(stderr,"(t,m,f,l) %ld %d %s %d\n",
- CRYPTO_thread_id(),
- mode,file,line);
-#endif
- if (mode & CRYPTO_LOCK)
- {
-#ifdef USE_MUTEX
- mutex_lock(&(lock_cs[type]));
-#else
- if (mode & CRYPTO_READ)
- rw_rdlock(&(lock_cs[type]));
- else
- rw_wrlock(&(lock_cs[type]));
-#endif
- lock_count[type]++;
- }
- else
- {
-#ifdef USE_MUTEX
- mutex_unlock(&(lock_cs[type]));
-#else
- rw_unlock(&(lock_cs[type]));
-#endif
- }
- }
-
-unsigned long solaris_thread_id(void)
- {
- unsigned long ret;
-
- ret=(unsigned long)thr_self();
- return(ret);
- }
-#endif /* SOLARIS */
-
-#ifdef IRIX
-/* I don't think this works..... */
-
-static usptr_t *arena;
-static usema_t *lock_cs[CRYPTO_NUM_LOCKS];
-
-void CRYPTO_thread_setup(void)
- {
- int i;
- char filename[20];
-
- strcpy(filename,"/tmp/mttest.XXXXXX");
- mktemp(filename);
-
- usconfig(CONF_STHREADIOOFF);
- usconfig(CONF_STHREADMALLOCOFF);
- usconfig(CONF_INITUSERS,100);
- usconfig(CONF_LOCKTYPE,US_DEBUGPLUS);
- arena=usinit(filename);
- unlink(filename);
-
- for (i=0; i<CRYPTO_NUM_LOCKS; i++)
- {
- lock_cs[i]=usnewsema(arena,1);
- }
-
- CRYPTO_set_id_callback((unsigned long (*)())irix_thread_id);
- CRYPTO_set_locking_callback((void (*)())irix_locking_callback);
- }
-
-void CRYPTO_thread_cleanup(void)
- {
- int i;
-
- CRYPTO_set_locking_callback(NULL);
- for (i=0; i<CRYPTO_NUM_LOCKS; i++)
- {
- char buf[10];
-
- sprintf(buf,"%2d:",i);
- usdumpsema(lock_cs[i],stdout,buf);
- usfreesema(lock_cs[i],arena);
- }
- }
-
-void irix_locking_callback(int mode, int type, char *file, int line)
- {
- if (mode & CRYPTO_LOCK)
- {
- uspsema(lock_cs[type]);
- }
- else
- {
- usvsema(lock_cs[type]);
- }
- }
-
-unsigned long irix_thread_id(void)
- {
- unsigned long ret;
-
- ret=(unsigned long)getpid();
- return(ret);
- }
-#endif /* IRIX */
-
-/* Linux and a few others */
-#ifdef PTHREADS
-
-static pthread_mutex_t lock_cs[CRYPTO_NUM_LOCKS];
-static long lock_count[CRYPTO_NUM_LOCKS];
-
-void CRYPTO_thread_setup(void)
- {
- int i;
-
- for (i=0; i<CRYPTO_NUM_LOCKS; i++)
- {
- lock_count[i]=0;
- pthread_mutex_init(&(lock_cs[i]),NULL);
- }
-
- CRYPTO_set_id_callback((unsigned long (*)())pthreads_thread_id);
- CRYPTO_set_locking_callback((void (*)())pthreads_locking_callback);
- }
-
-void thread_cleanup(void)
- {
- int i;
-
- CRYPTO_set_locking_callback(NULL);
- for (i=0; i<CRYPTO_NUM_LOCKS; i++)
- {
- pthread_mutex_destroy(&(lock_cs[i]));
- }
- }
-
-void pthreads_locking_callback(int mode, int type, char *file,
- int line)
- {
-#if 0
- fprintf(stderr,"thread=%4d mode=%s lock=%s %s:%d\n",
- CRYPTO_thread_id(),
- (mode&CRYPTO_LOCK)?"l":"u",
- (type&CRYPTO_READ)?"r":"w",file,line);
-#endif
-#if 0
- if (CRYPTO_LOCK_SSL_CERT == type)
- fprintf(stderr,"(t,m,f,l) %ld %d %s %d\n",
- CRYPTO_thread_id(),
- mode,file,line);
-#endif
- if (mode & CRYPTO_LOCK)
- {
- pthread_mutex_lock(&(lock_cs[type]));
- lock_count[type]++;
- }
- else
- {
- pthread_mutex_unlock(&(lock_cs[type]));
- }
- }
-
-unsigned long pthreads_thread_id(void)
- {
- unsigned long ret;
-
- ret=(unsigned long)pthread_self();
- return(ret);
- }
-
-#endif /* PTHREADS */
-
projects / thirdparty / bind9.git / commitdiff
