--- /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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#ifdef LINUX
+#include <typedefs.h>
+#endif
+#ifdef OPENSSL_SYS_WIN32
+#include <windows.h>
+#endif
+#ifdef SOLARIS
+#include <synch.h>
+#include <thread.h>
+#endif
+#ifdef IRIX
+#include <ulocks.h>
+#include <sys/prctl.h>
+#endif
+#ifdef PTHREADS
+#include <pthread.h>
+#endif
+#include <openssl/lhash.h>
+#include <openssl/crypto.h>
+#include <openssl/buffer.h>
+#include "../../e_os.h"
+#include <openssl/x509.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+
+void CRYPTO_thread_setup(void);
+void CRYPTO_thread_cleanup(void);
+
+static void irix_locking_callback(int mode,int type,char *file,int line);
+static void solaris_locking_callback(int mode,int type,char *file,int line);
+static void win32_locking_callback(int mode,int type,char *file,int line);
+static void pthreads_locking_callback(int mode,int type,char *file,int line);
+
+static unsigned long irix_thread_id(void );
+static unsigned long solaris_thread_id(void );
+static unsigned long pthreads_thread_id(void );
+
+/* usage:
+ * CRYPTO_thread_setup();
+ * application code
+ * CRYPTO_thread_cleanup();
+ */
+
+#define THREAD_STACK_SIZE (16*1024)
+
+#ifdef OPENSSL_SYS_WIN32
+
+static HANDLE *lock_cs;
+
+void CRYPTO_thread_setup(void)
+ {
+ int i;
+
+ lock_cs=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(HANDLE));
+ 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]);
+ OPENSSL_free(lock_cs);
+ }
+
+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 /* OPENSSL_SYS_WIN32 */
+
+#ifdef SOLARIS
+
+#define USE_MUTEX
+
+#ifdef USE_MUTEX
+static mutex_t *lock_cs;
+#else
+static rwlock_t *lock_cs;
+#endif
+static long *lock_count;
+
+void CRYPTO_thread_setup(void)
+ {
+ int i;
+
+#ifdef USE_MUTEX
+ lock_cs=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(mutex_t));
+#else
+ lock_cs=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(rwlock_t));
+#endif
+ lock_count=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(long));
+ 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
+ }
+ OPENSSL_free(lock_cs);
+ OPENSSL_free(lock_count);
+ }
+
+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;
+
+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);
+
+ lock_cs=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(usema_t *));
+ 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);
+ }
+ OPENSSL_free(lock_cs);
+ }
+
+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;
+static long *lock_count;
+
+void CRYPTO_thread_setup(void)
+ {
+ int i;
+
+ lock_cs=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(pthread_mutex_t));
+ lock_count=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(long));
+ 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]));
+ }
+ OPENSSL_free(lock_cs);
+ OPENSSL_free(lock_count);
+ }
+
+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 / cassiopeia.git / blobdiff