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thread: Do not disable interrupts unnecessarily while initializing stack.
[pintos-anon]
/
src
/
threads
/
thread.h
diff --git
a/src/threads/thread.h
b/src/threads/thread.h
index 2043d8dc86e251bbd8c0492aaabc8266e935c3b9..7965c0607815eab3275da7babdf669177f18c8e2 100644
(file)
--- a/
src/threads/thread.h
+++ b/
src/threads/thread.h
@@
-20,9
+20,9
@@
typedef int tid_t;
#define TID_ERROR ((tid_t) -1) /* Error value for tid_t. */
/* Thread priorities. */
#define TID_ERROR ((tid_t) -1) /* Error value for tid_t. */
/* Thread priorities. */
-#define PRI_MIN 0 /*
High
est priority. */
+#define PRI_MIN 0 /*
Low
est priority. */
#define PRI_DEFAULT 31 /* Default priority. */
#define PRI_DEFAULT 31 /* Default priority. */
-#define PRI_MAX 63 /*
Low
est priority. */
+#define PRI_MAX 63 /*
High
est priority. */
/* A kernel thread or user process.
/* A kernel thread or user process.
@@
-88,6
+88,7
@@
struct thread
char name[16]; /* Name (for debugging purposes). */
uint8_t *stack; /* Saved stack pointer. */
int priority; /* Priority. */
char name[16]; /* Name (for debugging purposes). */
uint8_t *stack; /* Saved stack pointer. */
int priority; /* Priority. */
+ struct list_elem allelem; /* List element for all threads list. */
/* Shared between thread.c and synch.c. */
struct list_elem elem; /* List element. */
/* Shared between thread.c and synch.c. */
struct list_elem elem; /* List element. */
@@
-101,6
+102,11
@@
struct thread
unsigned magic; /* Detects stack overflow. */
};
unsigned magic; /* Detects stack overflow. */
};
+/* If false (default), use round-robin scheduler.
+ If true, use multi-level feedback queue scheduler.
+ Controlled by kernel command-line option "-o mlfqs". */
+extern bool thread_mlfqs;
+
void thread_init (void);
void thread_start (void);
void thread_init (void);
void thread_start (void);
@@
-120,6
+126,10
@@
const char *thread_name (void);
void thread_exit (void) NO_RETURN;
void thread_yield (void);
void thread_exit (void) NO_RETURN;
void thread_yield (void);
+/* Performs some operation on thread t, given auxiliary data AUX. */
+typedef void thread_action_func (struct thread *t, void *aux);
+void thread_foreach (thread_action_func *, void *);
+
int thread_get_priority (void);
void thread_set_priority (int);
int thread_get_priority (void);
void thread_set_priority (int);