X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fthreads%2Fth-lock.c;h=7b303b281a4d5180aa5f16c42cb93474930fea05;hp=553d2218de76ebec8bbf8c4441316a463bb3e804;hb=918bb8652969fd53f0c390c1cd909265ed502c7e;hpb=26a3a48d65c7464b400ec1de439994d7f0d25fed

diff --git a/crypto/threads/th-lock.c b/crypto/threads/th-lock.c
index 553d2218de..7b303b281a 100644
--- a/crypto/threads/th-lock.c
+++ b/crypto/threads/th-lock.c
@@ -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:
@@ -34,10 +34,10 @@
  *     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
@@ -61,26 +61,26 @@
 #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>
+# include <pthread.h>
 #endif
 #include <openssl/lhash.h>
 #include <openssl/crypto.h>
 #include <openssl/buffer.h>
-#include <openssl/e_os.h>
+#include "../../e_os.h"
 #include <openssl/x509.h>
 #include <openssl/ssl.h>
 #include <openssl/err.h>
@@ -88,16 +88,19 @@
 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);
 
-/* usage:
+/*-
+ * usage:
  * CRYPTO_thread_setup();
  * application code
  * CRYPTO_thread_cleanup();
@@ -105,146 +108,133 @@ static unsigned long pthreads_thread_id(void );
 
 #define THREAD_STACK_SIZE (16*1024)
 
-#ifdef WIN32
+#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);
-	}
+{
+    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;
+{
+    int i;
 
-	CRYPTO_set_locking_callback(NULL);
-	for (i=0; i<CRYPTO_num_locks(); i++)
-		CloseHandle(lock_cs[i]);
-	OPENSSL_free(lock_cs);
-	}
+    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 /* WIN32 */
+{
+    if (mode & CRYPTO_LOCK) {
+        WaitForSingleObject(lock_cs[type], INFINITE);
+    } else {
+        ReleaseMutex(lock_cs[type]);
+    }
+}
+
+#endif                          /* OPENSSL_SYS_WIN32 */
 
 #ifdef SOLARIS
 
-#define USE_MUTEX
+# define USE_MUTEX
 
-#ifdef USE_MUTEX
+# ifdef USE_MUTEX
 static mutex_t *lock_cs;
-#else
+# else
 static rwlock_t *lock_cs;
-#endif
+# 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);
-	}
+{
+    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);
-	}
+{
+    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
-		}
-	}
+{
+    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;
+{
+    unsigned long ret;
 
-	ret=(unsigned long)thr_self();
-	return(ret);
-	}
-#endif /* SOLARIS */
+    ret = (unsigned long)thr_self();
+    return (ret);
+}
+#endif                          /* SOLARIS */
 
 #ifdef IRIX
 /* I don't think this works..... */
@@ -253,66 +243,66 @@ 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);
-	}
+{
+    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;
+{
+    int i;
 
-	CRYPTO_set_locking_callback(NULL);
-	for (i=0; i<CRYPTO_num_locks(); i++)
-		{
-		char buf[10];
+    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);
-	}
+        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]);
-		}
-	}
+{
+    if (mode & CRYPTO_LOCK) {
+        uspsema(lock_cs[type]);
+    } else {
+        usvsema(lock_cs[type]);
+    }
+}
 
 unsigned long irix_thread_id(void)
-	{
-	unsigned long ret;
+{
+    unsigned long ret;
 
-	ret=(unsigned long)getpid();
-	return(ret);
-	}
-#endif /* IRIX */
+    ret = (unsigned long)getpid();
+    return (ret);
+}
+#endif                          /* IRIX */
 
 /* Linux and a few others */
 #ifdef PTHREADS
@@ -321,67 +311,56 @@ 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);
-	}
+{
+    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]));
-		}
-	}
+{
+    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);
-	}
+{
+    unsigned long ret;
 
-#endif /* PTHREADS */
+    ret = (unsigned long)pthread_self();
+    return (ret);
+}
 
+#endif                          /* PTHREADS */