Parametric scheduler approach.

[bertos.git] / bertos / kern / proc.c

diff --git a/bertos/kern/proc.c b/bertos/kern/proc.c
index 794918a54447f1f4a85dcfc78d1c6119ba729cc8..c422e729c6912963f51bfcd89f75a7cee269e290 100644 (file)
--- a/bertos/kern/proc.c
+++ b/bertos/kern/proc.c
@@ -60,6 +60,8 @@
 
 #include <string.h>           /* memset() */
 
+#define PROC_SIZE_WORDS (ROUND_UP2(sizeof(Process), sizeof(cpu_stack_t)) / sizeof(cpu_stack_t))
+
 /*
  * The scheduer tracks ready processes by enqueuing them in the
  * ready list.
@@ -83,7 +85,7 @@ static struct Process main_process;
 /**
  * Local heap dedicated to allocate the memory used by the processes.
  */
-static HEAP_DEFINE_BUF(heap_buf, KERN_MINSTACKSIZE * 128);
+static HEAP_DEFINE_BUF(heap_buf, CONFIG_KERN_HEAP_SIZE);
 static Heap proc_heap;
 
 /*
@@ -137,10 +139,7 @@ void proc_init(void)
        monitor_init();
        monitor_add(current_process, "main");
 #endif
-
-#if CONFIG_KERN_PREEMPT
-       preempt_init();
-#endif
+       proc_schedInit();
 
        MOD_INIT(proc);
 }
@@ -163,8 +162,10 @@ static void proc_freeZombies(void)
                        return;
 
                if (proc->flags & PF_FREESTACK)
+               {
                        PROC_ATOMIC(heap_freemem(&proc_heap, proc->stack_base,
-                                       proc->stack_size));
+                               proc->stack_size + PROC_SIZE_WORDS * sizeof(cpu_stack_t)));
+               }
        }
 }
 
@@ -206,7 +207,6 @@ static void proc_addZombie(Process *proc)
 struct Process *proc_new_with_name(UNUSED_ARG(const char *, name), void (*entry)(void), iptr_t data, size_t stack_size, cpu_stack_t *stack_base)
 {
        Process *proc;
-       const size_t PROC_SIZE_WORDS = ROUND_UP2(sizeof(Process), sizeof(cpu_stack_t)) / sizeof(cpu_stack_t);
        LOG_INFO("name=%s", name);
 #if CONFIG_KERN_HEAP
        bool free_stack = false;