chore(mutex): Update name to match Haiku

Update `mutex_unlock` to `mutex_unblock` to match changes in
haiku/haiku@6f3f29c7.

The actual fixes have not been applied yet, see #12.

haiku_loader/loader_mutex.cpp

@@ -34,7 +34,7 @@ static int32_t atomic_or(int32_t *a, int32_t b);
 static int32_t atomic_and(int32_t *a, int32_t b);
 static int loader_mutex_lock_locked(int32_t *mutex, const char *name, uint32_t flags, int64_t timeout,
     std::unique_lock<std::mutex> &lock);
-static void loader_mutex_unlock_locked(int32_t *mutex, uint32_t flags);
+static void loader_mutex_unblock_locked(int32_t *mutex, uint32_t flags);
 static int loader_mutex_wait_locked(int32_t *mutex, const char *name, uint32_t flags, int64_t timeout,
     std::unique_lock<std::mutex> &lock, bool &lastWaiter);
 static void add_loader_mutex_info(int32_t *mutex, std::shared_ptr<mutex_info>  info);
@@ -60,7 +60,7 @@ int loader_mutex_lock(int32_t *mutex, const char *name, uint32_t flags, int64_t
     return error;
 }
 
-int loader_mutex_unlock(int32_t *mutex, uint32 flags)
+int loader_mutex_unblock(int32_t *mutex, uint32 flags)
 {
     if (mutex == NULL || ((intptr_t)mutex) % 4 != 0)
     {
@@ -70,7 +70,7 @@ int loader_mutex_unlock(int32_t *mutex, uint32 flags)
     {
         auto lock = std::unique_lock<std::mutex>(sMutexTableLock);
 
-        loader_mutex_unlock_locked(mutex, flags);
+        loader_mutex_unblock_locked(mutex, flags);
     }
 
     return B_OK;
@@ -94,7 +94,7 @@ int loader_mutex_switch_lock(int32_t *fromMutex, int32_t *toMutex,
     // unlock the first mutex and lock the second one
     {
         auto lock = std::unique_lock<std::mutex>(sMutexTableLock);
-        loader_mutex_unlock_locked(fromMutex, flags);
+        loader_mutex_unblock_locked(fromMutex, flags);
 
         error = loader_mutex_lock_locked(toMutex, name, flags, timeout, lock);
     }
@@ -125,7 +125,7 @@ static int loader_mutex_lock_locked(int32_t *mutex, const char *name, uint32_t f
     return error;
 }
 
-static void loader_mutex_unlock_locked(int32_t *mutex, uint32_t flags)
+static void loader_mutex_unblock_locked(int32_t *mutex, uint32_t flags)
 {
     auto it = sMutexTable.find(mutex);
     if (it == sMutexTable.end() || !it->second || it->second->empty())

haiku_loader/loader_mutex.h

@@ -4,7 +4,7 @@
 #include <cstdint>
 
 int loader_mutex_lock(int32_t* mutex, const char* name, uint32_t flags, int64_t timeout);
-int loader_mutex_unlock(int32_t* mutex, uint32_t flags);
+int loader_mutex_unblock(int32_t* mutex, uint32_t flags);
 // Unlocks "from" and locks "to" such that unlocking and starting to wait
 // for the lock is atomic. I.e. if "from" guards the object "to" belongs
 // to, the operation is safe as long as "from" is held while destroying

haiku_loader/sys/linux/loader_commpage.cpp

@@ -103,7 +103,7 @@ void* loader_allocate_commpage()
     hostcalls_ptr->wait_for_thread = loader_wait_for_thread;
 
     hostcalls_ptr->mutex_lock = loader_mutex_lock;
-    hostcalls_ptr->mutex_unlock = loader_mutex_unlock;
+    hostcalls_ptr->mutex_unblock = loader_mutex_unblock;
     hostcalls_ptr->mutex_switch_lock = loader_mutex_switch_lock;
 
     hostcalls_ptr->realtime_sem_open = loader_realtime_sem_open;

monika/linux/threading.cpp

@@ -111,9 +111,9 @@ status_t _moni_mutex_lock(int32* mutex, const char* name,
     return GET_HOSTCALLS()->mutex_lock(mutex, name, flags, timeout);
 }
 
-status_t _moni_mutex_unlock(int32* mutex, uint32 flags)
+status_t _moni_mutex_unblock(int32* mutex, uint32 flags)
 {
-    return GET_HOSTCALLS()->mutex_unlock(mutex, flags);
+    return GET_HOSTCALLS()->mutex_unblock(mutex, flags);
 }
 
 status_t _moni_mutex_switch_lock(int32* fromMutex, int32* toMutex,

shared_headers/extended_commpage.h

@@ -68,7 +68,7 @@ struct hostcalls
 
     // Mutex
     int (*mutex_lock)(int32_t* mutex, const char* name, uint32_t flags, int64_t timeout);
-    int (*mutex_unlock)(int32_t* mutex, uint32_t flags);
+    int (*mutex_unblock)(int32_t* mutex, uint32_t flags);
     int (*mutex_switch_lock)(int32_t* fromMutex, int32_t* toMutex, const char* name, uint32_t flags, int64_t timeout);
 
     // Semaphore

shared_headers/user_mutex_defs.h

@@ -5,7 +5,7 @@
 #ifndef _SYSTEM_USER_MUTEX_DEFS_H
 #define _SYSTEM_USER_MUTEX_DEFS_H
 
-// user mutex specific flags passed to _kern_user_mutex_unlock()
+// user mutex specific flags passed to _kern_user_mutex_unblock()
 #define B_USER_MUTEX_UNBLOCK_ALL    0x80000000
 // All threads currently waiting on the mutex will be unblocked. The mutex
 // state will be locked.