Changes in kernel/generic/include/proc/thread.h [ee42e43:e1b6742] in mainline

File:

• kernel/generic/include/proc/thread.h (modified) (16 diffs)

kernel/generic/include/proc/thread.h

@@ -40 +40 @@
 #include <time/timeout.h>
 #include <cpu.h>
+#include <synch/rwlock.h>
 #include <synch/spinlock.h>
 #include <adt/avl.h>
@@ -49 +50 @@
 #include <sysinfo/abi.h>
 
-#define THREAD_STACK_SIZE   STACK_SIZE
-#define THREAD_NAME_BUFLEN  20
+#define THREAD_STACK_SIZE       STACK_SIZE
+#define THREAD_NAME_BUFLEN      20
 
 extern const char *thread_states[];
@@ -60 +61 @@
  * When using this flag, the caller must set cpu in the thread_t
  * structure manually before calling thread_ready (even on uniprocessor).
- *
- */
-#define THREAD_FLAG_WIRED  (1 << 0)
-
+ */ 
+#define THREAD_FLAG_WIRED       (1 << 0)
 /** Thread was migrated to another CPU and has not run yet. */
-#define THREAD_FLAG_STOLEN  (1 << 1)
-
+#define THREAD_FLAG_STOLEN      (1 << 1)
 /** Thread executes in userspace. */
-#define THREAD_FLAG_USPACE  (1 << 2)
-
+#define THREAD_FLAG_USPACE      (1 << 2)
 /** Thread will be attached by the caller. */
-#define THREAD_FLAG_NOATTACH  (1 << 3)
+#define THREAD_FLAG_NOATTACH    (1 << 3)
 
 /** Thread structure. There is one per thread. */
 typedef struct thread {
-        link_t rq_link;  /**< Run queue link. */
-        link_t wq_link;  /**< Wait queue link. */
-        link_t th_link;  /**< Links to threads within containing task. */
-        
+        link_t rq_link;         /**< Run queue link. */
+        link_t wq_link;         /**< Wait queue link. */
+        link_t th_link;         /**< Links to threads within containing task. */
+
         /** Threads linkage to the threads_tree. */
         avltree_node_t threads_tree_node;
@@ -86 +83 @@
          * Protects the whole thread structure except list links above.
          */
-        IRQ_SPINLOCK_DECLARE(lock);
-        
+        SPINLOCK_DECLARE(lock);
+
         char name[THREAD_NAME_BUFLEN];
-        
+
         /** Function implementing the thread. */
         void (* thread_code)(void *);
         /** Argument passed to thread_code() function. */
         void *thread_arg;
-        
+
         /**
          * From here, the stored context is restored when the thread is
@@ -110 +107 @@
          */
         context_t sleep_interruption_context;
-        
+
         /** If true, the thread can be interrupted from sleep. */
         bool sleep_interruptible;
@@ -118 +115 @@
         timeout_t sleep_timeout;
         /** Flag signalling sleep timeout in progress. */
-        volatile bool timeout_pending;
-        
+        volatile int timeout_pending;
+
         /**
          * True if this thread is executing copy_from_uspace().
@@ -135 +132 @@
          * thread_exit() before returning to userspace.
          */
-        bool interrupted;
+        bool interrupted;                       
         
         /** If true, thread_join_timeout() cannot be used on this thread. */
@@ -143 +140 @@
         /** Link used in the joiner_head list. */
         link_t joiner_link;
-        
+
         fpu_context_t *saved_fpu_context;
         int fpu_context_exists;
-        
+
         /*
          * Defined only if thread doesn't run.
@@ -153 +150 @@
          */
         int fpu_context_engaged;
-        
+
+        rwlock_type_t rwlock_holder_type;
+
+        /** Callback fired in scheduler before the thread is put asleep. */
+        void (* call_me)(void *);
+        /** Argument passed to call_me(). */
+        void *call_me_with;
+
         /** Thread's state. */
         state_t state;
         /** Thread's flags. */
-        unsigned int flags;
+        int flags;
         
         /** Thread's CPU. */
@@ -163 +167 @@
         /** Containing task. */
         task_t *task;
-        
+
         /** Ticks before preemption. */
         uint64_t ticks;
@@ -172 +176 @@
         /** Last sampled cycle. */
         uint64_t last_cycle;
-        /** Thread doesn't affect accumulated accounting. */
+        /** Thread doesn't affect accumulated accounting. */    
         bool uncounted;
-        
+
         /** Thread's priority. Implemented as index to CPU->rq */
         int priority;
@@ -182 +186 @@
         /** Architecture-specific data. */
         thread_arch_t arch;
-        
+
         /** Thread's kernel stack. */
         uint8_t *kstack;
-        
+
 #ifdef CONFIG_UDEBUG
         /** Debugging stuff */
         udebug_thread_t udebug;
-#endif /* CONFIG_UDEBUG */
+#endif
+
 } thread_t;
 
@@ -198 +203 @@
  *
  */
-IRQ_SPINLOCK_EXTERN(threads_lock);
+SPINLOCK_EXTERN(threads_lock);
 
 /** AVL tree containing all threads. */
@@ -204 +209 @@
 
 extern void thread_init(void);
-extern thread_t *thread_create(void (*)(void *), void *, task_t *,
-    unsigned int, const char *, bool);
+extern thread_t *thread_create(void (*)(void *), void *, task_t *, int,
+    const char *, bool);
 extern void thread_attach(thread_t *, task_t *);
 extern void thread_ready(thread_t *);
@@ -213 +218 @@
 extern void thread_create_arch(thread_t *);
 #endif
-
 #ifndef thr_constructor_arch
 extern void thr_constructor_arch(thread_t *);
 #endif
-
 #ifndef thr_destructor_arch
 extern void thr_destructor_arch(thread_t *);
@@ -227 +230 @@
 #define thread_join(t) \
         thread_join_timeout((t), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE)
-
-extern int thread_join_timeout(thread_t *, uint32_t, unsigned int);
+extern int thread_join_timeout(thread_t *, uint32_t, int);
 extern void thread_detach(thread_t *);
 
-extern void thread_print_list(bool);
-extern void thread_destroy(thread_t *, bool);
+extern void thread_register_call_me(void (*)(void *), void *);
+extern void thread_print_list(void);
+extern void thread_destroy(thread_t *);
 extern thread_t *thread_find_by_id(thread_id_t);
 extern void thread_update_accounting(bool);