Uprev NSS to 3.23 on iOS

net/third_party/nss/ssl/sslmutex.h

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #ifndef __SSLMUTEX_H_
 #define __SSLMUTEX_H_ 1
 
-/* What SSL really wants is portable process-shared unnamed mutexes in 
+/* What SSL really wants is portable process-shared unnamed mutexes in
  * shared memory, that have the property that if the process that holds
- * them dies, they are released automatically, and that (unlike fcntl 
- * record locking) lock to the thread, not to the process.  
- * NSPR doesn't provide that.  
- * Windows has mutexes that meet that description, but they're not portable.  
- * POSIX mutexes are not automatically released when the holder dies, 
- * and other processes/threads cannot release the mutex on behalf of the 
- * dead holder.  
- * POSIX semaphores can be used to accomplish this on systems that implement 
- * process-shared unnamed POSIX semaphores, because a watchdog thread can 
- * discover and release semaphores that were held by a dead process.  
- * On systems that do not support process-shared POSIX unnamed semaphores, 
- * they can be emulated using pipes.  
+ * them dies, they are released automatically, and that (unlike fcntl
+ * record locking) lock to the thread, not to the process.
+ * NSPR doesn't provide that.
+ * Windows has mutexes that meet that description, but they're not portable.
+ * POSIX mutexes are not automatically released when the holder dies,
+ * and other processes/threads cannot release the mutex on behalf of the
+ * dead holder.
+ * POSIX semaphores can be used to accomplish this on systems that implement
+ * process-shared unnamed POSIX semaphores, because a watchdog thread can
+ * discover and release semaphores that were held by a dead process.
+ * On systems that do not support process-shared POSIX unnamed semaphores,
+ * they can be emulated using pipes.
  * The performance cost of doing that is not yet measured.
  *
  * So, this API looks a lot like POSIX pthread mutexes.
  */
 
 #include "prtypes.h"
 #include "prlock.h"
 
 #if defined(NETBSD)
 #include <sys/param.h> /* for __NetBSD_Version__ */
 #endif
 
 #if defined(WIN32)
 
 #include <wtypes.h>
 
-typedef struct 
-{
+typedef struct {
     PRBool isMultiProcess;
 #ifdef WINNT
     /* on WINNT we need both the PRLock and the Win32 mutex for fibers */
     struct {
 #else
     union {
 #endif
-        PRLock* sslLock;
+        PRLock *sslLock;
         HANDLE sslMutx;
     } u;
 } sslMutex;
 
-typedef int    sslPID;
+typedef int sslPID;
 
 #elif defined(LINUX) || defined(AIX) || defined(BEOS) || defined(BSDI) || (defined(NETBSD) && __NetBSD_Version__ < 500000000) || defined(OPENBSD)
 
 #include <sys/types.h>
 #include "prtypes.h"
 
-typedef struct { 
+typedef struct {
     PRBool isMultiProcess;
     union {
-        PRLock* sslLock;
+        PRLock *sslLock;
         struct {
-            int      mPipes[3]; 
-            PRInt32  nWaiters;
+            int mPipes[3];
+            PRInt32 nWaiters;
         } pipeStr;
     } u;
 } sslMutex;
 typedef pid_t sslPID;
 
 /* other types of unix, except OS X */
 #elif defined(XP_UNIX) && !defined(DARWIN)
 
-#include <sys/types.h>  /* for pid_t */
-#include <semaphore.h>  /* for sem_t, and sem_* functions */
+#include <sys/types.h> /* for pid_t */
+#include <semaphore.h> /* for sem_t, and sem_* functions */
 
-typedef struct
-{
+typedef struct {
     PRBool isMultiProcess;
     union {
-        PRLock* sslLock;
-        sem_t  sem;
+        PRLock *sslLock;
+        sem_t sem;
     } u;
 } sslMutex;
 
 typedef pid_t sslPID;
 
 #else /* no support for cross-process locking */
 
 /* what platform is this ?? */
 
-typedef struct { 
+typedef struct {
     PRBool isMultiProcess;
     union {
-        PRLock* sslLock;
+        PRLock *sslLock;
         /* include cross-process locking mechanism here */
     } u;
 } sslMutex;
 
 #ifdef DARWIN
 typedef pid_t sslPID;
 #else
 typedef int sslPID;
 #endif
 
 #endif
 
 #include "seccomon.h"
 
 SEC_BEGIN_PROTOS
 
 extern SECStatus sslMutex_Init(sslMutex *sem, int shared);
 
 /* If processLocal is set to true, then just free resources which are *only* associated
- * with the current process. Leave any shared resources (including the state of 
+ * with the current process. Leave any shared resources (including the state of
  * shared memory) intact. */
 extern SECStatus sslMutex_Destroy(sslMutex *sem, PRBool processLocal);
 
 extern SECStatus sslMutex_Unlock(sslMutex *sem);
 
 extern SECStatus sslMutex_Lock(sslMutex *sem);
 
 #ifdef WINNT
 
 extern SECStatus sslMutex_2LevelInit(sslMutex *sem);
 
 #endif
 
 SEC_END_PROTOS
 
 #endif