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-rw-r--r--crypto/threads/th-lock.c490
1 files changed, 246 insertions, 244 deletions
diff --git a/crypto/threads/th-lock.c b/crypto/threads/th-lock.c
index 14aae5f91287..28884c2d44fa 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
@@ -61,21 +61,21 @@
#include <string.h>
#include <errno.h>
#ifdef LINUX
-#include <typedefs.h>
+# include <typedefs.h>
#endif
#ifdef OPENSSL_SYS_WIN32
-#include <windows.h>
+# 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>
@@ -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();
@@ -110,141 +113,140 @@ static unsigned long pthreads_thread_id(void );
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 /* OPENSSL_SYS_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 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;
+{
+ 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 +255,66 @@ 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 +323,67 @@ 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 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);
- }
+{
+ unsigned long ret;
-#endif /* PTHREADS */
+ ret = (unsigned long)pthread_self();
+ return (ret);
+}
+#endif /* PTHREADS */