Add a garbage RCU implementation

[akaros.git] / kern / include / kthread.h

diff --git a/kern/include/kthread.h b/kern/include/kthread.h
index 0b9f4bf..2255cb4 100644 (file)
--- a/kern/include/kthread.h
+++ b/kern/include/kthread.h
@@ -9,6 +9,7 @@
 #pragma once
 
 #include <ros/common.h>
+#include <ros/syscall.h>
 #include <trap.h>
 #include <sys/queue.h>
 #include <atomic.h>
@@ -45,7 +46,8 @@ struct kthread {
        int                                                     flags;
        char                                            *name;
        char                                            generic_buf[GENBUF_SZ];
-       struct systrace_record          *trace;
+       int                                                     errno;
+       char                                            errstr[MAX_ERRSTR_LEN];
        struct systrace_record          *strace;
 };
 
@@ -58,9 +60,6 @@ struct semaphore {
 #ifdef CONFIG_SEMAPHORE_DEBUG
        TAILQ_ENTRY(semaphore)          link;
        bool                                            is_on_list;     /* would like better sys/queue.h */
-       uintptr_t                                       bt_pc;          /* program counter of last down */
-       uintptr_t                                       bt_fp;          /* frame pointer of last down */
-       uint32_t                                        calling_core;
 #endif
 };
 
@@ -105,6 +104,7 @@ void put_kstack(uintptr_t stacktop);
 uintptr_t *kstack_bottom_addr(uintptr_t stacktop);
 void kthread_init(void);
 struct kthread *__kthread_zalloc(void);
+void __use_real_kstack(void (*f)(void *arg));
 void restart_kthread(struct kthread *kthread);
 void kthread_runnable(struct kthread *kthread);
 void kthread_yield(void);
@@ -116,9 +116,6 @@ static inline bool is_ktask(struct kthread *kthread)
        return kthread->flags & KTH_IS_KTASK;
 }
 
-/* Debugging */
-void check_poison(char *msg);
-
 void sem_init(struct semaphore *sem, int signals);
 void sem_init_irqsave(struct semaphore *sem, int signals);
 bool sem_trydown(struct semaphore *sem);
@@ -127,8 +124,7 @@ bool sem_up(struct semaphore *sem);
 bool sem_trydown_irqsave(struct semaphore *sem, int8_t *irq_state);
 void sem_down_irqsave(struct semaphore *sem, int8_t *irq_state);
 bool sem_up_irqsave(struct semaphore *sem, int8_t *irq_state);
-void print_sem_info(struct semaphore *sem);
-void print_all_sem_info(void);
+void print_all_sem_info(pid_t pid);
 
 void cv_init(struct cond_var *cv);
 void cv_init_irqsave(struct cond_var *cv);