New functions CRYPTO_set_idptr_callback(),

CRYPTO_get_idptr_callback(), CRYPTO_thread_idptr() for a 'void *' type
thread ID, since the 'unsigned long' type of the existing thread ID
does not always work well.

2 files changed, 74 insertions, 8 deletions

diff --git a/crypto/err/err.c b/crypto/err/err.c
index 3367a75d99..6812a9afed 100644
--- a/crypto/err/err.c
+++ b/crypto/err/err.c
@@ -56,7 +56,7 @@
  * [including the GNU Public Licence.]
  */
 /* ====================================================================
- * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -973,24 +973,32 @@ static int err_cmp(const void *a_void, const void *b_void)
 /* static unsigned long pid_hash(ERR_STATE *a) */
 static unsigned long pid_hash(const void *a_void)
 	{
-	return(((const ERR_STATE *)a_void)->pid*13);
+	return((((const ERR_STATE *)a_void)->pid + (unsigned long)((const ERR_STATE *)a_void)->pidptr)*13);
 	}
 
 /* static int pid_cmp(ERR_STATE *a, ERR_STATE *b) */
 static int pid_cmp(const void *a_void, const void *b_void)
 	{
-	return((int)((long)((const ERR_STATE *)a_void)->pid -
-			(long)((const ERR_STATE *)b_void)->pid));
+	return (((const ERR_STATE *)a_void)->pid != ((const ERR_STATE *)b_void)->pid)
+	       || (((const ERR_STATE *)a_void)->pidptr != ((const ERR_STATE *)b_void)->pidptr);
 	}
 
 void ERR_remove_state(unsigned long pid)
 	{
 	ERR_STATE tmp;
+	void *pidptr;
 
 	err_fns_check();
-	if (pid == 0)
-		pid=(unsigned long)CRYPTO_thread_id();
+	if (pid != 0)
+		pidptr = &errno;
+	else
+		{
+		pid = CRYPTO_thread_id();
+		pidptr = CRYPTO_thread_idptr();
+		}
+	
 	tmp.pid=pid;
+	tmp.pidptr=pidptr;
 	/* thread_del_item automatically destroys the LHASH if the number of
 	 * items reaches zero. */
 	ERRFN(thread_del_item)(&tmp);
@@ -1002,10 +1010,13 @@ ERR_STATE *ERR_get_state(void)
 	ERR_STATE *ret,tmp,*tmpp=NULL;
 	int i;
 	unsigned long pid;
+	void *pidptr;
 
 	err_fns_check();
-	pid=(unsigned long)CRYPTO_thread_id();
-	tmp.pid=pid;
+	pid = CRYPTO_thread_id();
+	pidptr = CRYPTO_thread_idptr();
+	tmp.pid = pid;
+	tmp.pidptr = pidptr;
 	ret=ERRFN(thread_get_item)(&tmp);
 
 	/* ret == the error state, if NULL, make a new one */
@@ -1014,6 +1025,7 @@ ERR_STATE *ERR_get_state(void)
 		ret=(ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE));
 		if (ret == NULL) return(&fallback);
 		ret->pid=pid;
+		ret->pidptr=pidptr;
 		ret->top=0;
 		ret->bottom=0;
 		for (i=0; i<ERR_NUM_ERRORS; i++)
diff --git a/crypto/err/err.h b/crypto/err/err.h
index e0e808bd36..3e3d395f3b 100644
--- a/crypto/err/err.h
+++ b/crypto/err/err.h
@@ -55,6 +55,59 @@
  * copied and put under another distribution licence
  * [including the GNU Public Licence.]
  */
+/* ====================================================================
+ * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
 
 #ifndef HEADER_ERR_H
 #define HEADER_ERR_H
@@ -95,6 +148,7 @@ extern "C" {
 typedef struct err_state_st
 	{
 	unsigned long pid;
+	void *pidptr; /* new in OpenSSL 0.9.9 */
 	int err_flags[ERR_NUM_ERRORS];
 	unsigned long err_buffer[ERR_NUM_ERRORS];
 	char *err_data[ERR_NUM_ERRORS];