You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
389 lines
11 KiB
389 lines
11 KiB
/* 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)); |
|
if (!lock_cs) { |
|
/* Nothing we can do about this...void function! */ |
|
return; |
|
} |
|
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 |
|
if (!lock_cs) { |
|
/* Nothing we can do about this...void function! */ |
|
return; |
|
} |
|
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]; |
|
|
|
lock_cs = OPENSSL_malloc(CRYPTO_num_locks() * sizeof(usema_t *)); |
|
if (!lock_cs) { |
|
/* Nothing we can do about this...void function! */ |
|
return; |
|
} |
|
|
|
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); |
|
} |
|
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)); |
|
if (!lock_cs || !lock_count) { |
|
/* Nothing we can do about this...void function! */ |
|
if (lock_cs) |
|
OPENSSL_free(lock_cs); |
|
if (lock_count) |
|
OPENSSL_free(lock_count); |
|
return; |
|
} |
|
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 */
|
|
|