Dead code removal: #if 0 conf, dso, pqueue, threads
[openssl.git] / crypto / threads / th-lock.c
index 039022446dcb23c9bb57e4115005dde202e0fe4e..9a8e90954e1f79263bc8296345cbdc562ac9fc36 100644 (file)
@@ -5,21 +5,21 @@
  * 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:
  *     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 
+ * 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
@@ -49,7 +49,7 @@
  * 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
 #include <string.h>
 #include <errno.h>
 #ifdef LINUX
-#include <typedefs.h>
+# include <typedefs.h>
 #endif
-#ifdef WIN32
-#include <windows.h>
+#ifdef OPENSSL_SYS_WIN32
+# include <windows.h>
 #endif
 #ifdef SOLARIS
-#include <synch.h>
-#include <thread.h>
+# include <synch.h>
+# include <thread.h>
 #endif
 #ifdef IRIX
-#include <ulocks.h>
-#include <sys/prctl.h>
+# include <ulocks.h>
+# include <sys/prctl.h>
+#endif
+#ifdef PTHREADS
+# include <pthread.h>
 #endif
-#include "lhash.h"
-#include "crypto.h"
-#include "buffer.h"
-#include "e_os.h"
-#include "x509.h"
-#include "ssl.h"
-#include "err.h"
-
-#ifndef NOPROTO
-int CRYPTO_thread_setup(void);
+#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 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 );
+static unsigned long irix_thread_id(void);
+static unsigned long solaris_thread_id(void);
+static unsigned long pthreads_thread_id(void);
 
-#else
-int CRYPOTO_thread_setup();
-void CRYPTO_cleanup();
-
-static void irix_locking_callback();
-static void solaris_locking_callback();
-static void win32_locking_callback();
-static void pthreads_locking_callback();
-
-static unsigned long irix_thread_id();
-static unsigned long solaris_thread_id();
-static unsigned long pthreads_thread_id();
-
-#endif
-
-/* usage:
+/*-
+ * usage:
  * CRYPTO_thread_setup();
- * applicaion code
+ * application code
  * CRYPTO_thread_cleanup();
  */
 
 #define THREAD_STACK_SIZE (16*1024)
 
-#ifdef WIN32
-
-static HANDLE lock_cs[CRYPTO_NUM_LOCKS];
-
-int CRYPTO_thread_setup()
-       {
-       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()
-       {
-       int i;
-
-       CRYPTO_set_locking_callback(NULL);
-       for (i=0; i<CRYPTO_NUM_LOCKS; i++)
-               CloseHandle(lock_cs[i]);
-       }
-
-void win32_locking_callback(mode,type,file,line)
-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 OPENSSL_SYS_WIN32
 
-#ifdef SOLARIS
+static HANDLE *lock_cs;
 
-#define USE_MUTEX
+void CRYPTO_thread_setup(void)
+{
+    int i;
 
-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
+    lock_cs = OPENSSL_malloc(CRYPTO_num_locks() * sizeof(HANDLE));
+    for (i = 0; i < CRYPTO_num_locks(); i++) {
+        lock_cs[i] = CreateMutex(NULL, FALSE, NULL);
+    }
 
-void CRYPTO_thread_setup()
-       {
-       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()
-       {
-       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(mode,type,file,line)
-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
+    CRYPTO_set_locking_callback((void (*)(int, int, char *, int))
+                                win32_locking_callback);
+    /* id callback defined */
+    return (1);
+}
 
-#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
-               }
-       }
+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);
+}
 
-unsigned long solaris_thread_id()
-       {
-       unsigned long ret;
+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]);
+    }
+}
 
-       ret=(unsigned long)thr_self();
-       return(ret);
-       }
-#endif /* SOLARIS */
+#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 (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()
-       {
-       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()
-       {
-       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(mode,type,file,line)
-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()
-       {
-       unsigned long ret;
-
-       ret=(unsigned long)getpid();
-       return(ret);
-       }
-#endif /* IRIX */
+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[CRYPTO_NUM_LOCKS];
-static long lock_count[CRYPTO_NUM_LOCKS];
-
-void CRYPTO_thread_setup()
-       {
-       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()
-       {
-       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(mode,type,file,line)
-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()
-       {
-       unsigned long ret;
-
-       ret=(unsigned long)pthread_self();
-       return(ret);
-       }
-
-#endif /* 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 (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 */