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Fix the bug related to the empty version list
[bertos.git]
/
bertos
/
kern
/
proc_p.h
diff --git
a/bertos/kern/proc_p.h
b/bertos/kern/proc_p.h
index 0d6a94f153eed4102f2257defa18ed4f36eff9ce..b148057c4a02fc256a5ade9505ef9986d246b34e 100644
(file)
--- a/
bertos/kern/proc_p.h
+++ b/
bertos/kern/proc_p.h
@@
-40,21
+40,28
@@
#ifndef KERN_PROC_P_H
#define KERN_PROC_P_H
#ifndef KERN_PROC_P_H
#define KERN_PROC_P_H
-#include "cfg/cfg_kern.h"
+#include "cfg/cfg_proc.h"
+#include "cfg/cfg_signal.h"
+#include "cfg/cfg_monitor.h"
+
#include <cfg/compiler.h>
#include <cpu/types.h> /* for cpu_stack_t */
#include <struct/list.h>
#include <cfg/compiler.h>
#include <cpu/types.h> /* for cpu_stack_t */
#include <struct/list.h>
-#if CONFIG_KERN_PREEMPT
IVE
+#if CONFIG_KERN_PREEMPT
#include <ucontext.h> // XXX
#endif
typedef struct Process
{
#include <ucontext.h> // XXX
#endif
typedef struct Process
{
+#if CONFIG_KERN_PRI
+ PriNode link; /**< Link Process into scheduler lists */
+#else
Node link; /**< Link Process into scheduler lists */
Node link; /**< Link Process into scheduler lists */
- cpustack_t *stack; /**< Per-process SP */
+#endif
+ cpu_stack_t *stack; /**< Per-process SP */
iptr_t user_data; /**< Custom data passed to the process */
#if CONFIG_KERN_SIGNALS
iptr_t user_data; /**< Custom data passed to the process */
#if CONFIG_KERN_SIGNALS
@@
-67,11
+74,11
@@
typedef struct Process
#endif
#if CONFIG_KERN_HEAP | CONFIG_KERN_MONITOR | (ARCH & ARCH_EMUL)
#endif
#if CONFIG_KERN_HEAP | CONFIG_KERN_MONITOR | (ARCH & ARCH_EMUL)
- cpustack_t *stack_base; /**< Base of process stack */
+ cpu
_
stack_t *stack_base; /**< Base of process stack */
size_t stack_size; /**< Size of process stack */
#endif
size_t stack_size; /**< Size of process stack */
#endif
-#if CONFIG_KERN_PREEMPT
IVE
+#if CONFIG_KERN_PREEMPT
ucontext_t context;
#endif
ucontext_t context;
#endif
@@
-100,28
+107,34
@@
extern REGISTER Process *CurrentProcess;
/**
* Track ready processes.
*
/**
* Track ready processes.
*
- * Access to this list must be protected with a proc_forbid() / proc_premit()
- * pair, or with SCHED_ATOMIC()
+ * Access to this list must be performed with interrupts disabled
*/
extern REGISTER List ProcReadyList;
*/
extern REGISTER List ProcReadyList;
+#if CONFIG_KERN_PRI
+ #define SCHED_ENQUEUE_INTERNAL(proc) LIST_ENQUEUE(&ProcReadyList, &(proc)->link)
+#else
+ #define SCHED_ENQUEUE_INTERNAL(proc) ADDTAIL(&ProcReadyList, &(proc)->link)
+#endif
/**
/**
- * Enqueue a
task
in the ready list.
+ * Enqueue a
process
in the ready list.
*
* Always use this macro to instert a process in the ready list, as its
* might vary to implement a different scheduling algorithms.
*
*
* Always use this macro to instert a process in the ready list, as its
* might vary to implement a different scheduling algorithms.
*
- * \note
This macro is *NOT* protected against the scheduler. Access to
- *
this list must be performed with
interrupts disabled.
+ * \note
Access to the scheduler ready list must be performed with
+ * interrupts disabled.
*/
#define SCHED_ENQUEUE(proc) do { \
*/
#define SCHED_ENQUEUE(proc) do { \
+ IRQ_ASSERT_DISABLED(); \
LIST_ASSERT_VALID(&ProcReadyList); \
LIST_ASSERT_VALID(&ProcReadyList); \
-
ADDTAIL(&ProcReadyList, &(proc)->link
); \
+
SCHED_ENQUEUE_INTERNAL(proc
); \
} while (0)
} while (0)
-/** Schedule to another process *without* adding the current to the ready list. */
-void proc_schedule(void);
+
+/// Schedule another process *without* adding the current one to the ready list.
+void proc_switch(void);
#if CONFIG_KERN_PREEMPT
void proc_entry(void (*user_entry)(void));
#if CONFIG_KERN_PREEMPT
void proc_entry(void (*user_entry)(void));