X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fkern%2Fproc_p.h;h=0d6a94f153eed4102f2257defa18ed4f36eff9ce;hb=0cd2e04de03f9c793a9dd9a564124a5b699455ba;hp=a0191d8301eaf44b4a1689d729f523a1150de725;hpb=9607fc3f839ba8914bf9847d7998a14c986881ab;p=bertos.git diff --git a/bertos/kern/proc_p.h b/bertos/kern/proc_p.h index a0191d83..0d6a94f1 100644 --- a/bertos/kern/proc_p.h +++ b/bertos/kern/proc_p.h @@ -34,7 +34,6 @@ * \brief Internal scheduler structures and definitions for processes. * * \version $Id$ - * * \author Bernie Innocenti */ @@ -46,7 +45,11 @@ #include /* for cpu_stack_t */ -#include +#include + +#if CONFIG_KERN_PREEMPTIVE + #include // XXX +#endif typedef struct Process { @@ -59,10 +62,6 @@ typedef struct Process sigmask_t sig_recv; /**< Received signals */ #endif -#if CONFIG_KERN_PREEMPTIVE - int forbid_cnt; /**< Nesting count for proc_forbid()/proc_permit(). */ -#endif - #if CONFIG_KERN_HEAP uint16_t flags; /**< Flags */ #endif @@ -72,6 +71,10 @@ typedef struct Process size_t stack_size; /**< Size of process stack */ #endif +#if CONFIG_KERN_PREEMPTIVE + ucontext_t context; +#endif + #if CONFIG_KERN_MONITOR struct ProcMonitor { @@ -110,14 +113,21 @@ extern REGISTER List ProcReadyList; * might vary to implement a different scheduling algorithms. * * \note This macro is *NOT* protected against the scheduler. Access to - * this list must be protected with a proc_forbid() / proc_premit() - * pair, or with SCHED_ATOMIC() + * this list must be performed with interrupts disabled. */ -#define SCHED_ENQUEUE(proc) ADDTAIL(&ProcReadyList, &(proc)->link) +#define SCHED_ENQUEUE(proc) do { \ + LIST_ASSERT_VALID(&ProcReadyList); \ + ADDTAIL(&ProcReadyList, &(proc)->link); \ + } while (0) /** Schedule to another process *without* adding the current to the ready list. */ void proc_schedule(void); +#if CONFIG_KERN_PREEMPT +void proc_entry(void (*user_entry)(void)); +void preempt_init(void); +#endif + #if CONFIG_KERN_MONITOR /** Initialize the monitor */ void monitor_init(void); @@ -133,4 +143,3 @@ void proc_schedule(void); #endif /* CONFIG_KERN_MONITOR */ #endif /* KERN_PROC_P_H */ -