X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fkern%2Fproc_p.h;h=54ba7be187014ac3527c169b8aea1ce735e1dce8;hb=6eb6ebb5ae5953a27977f0ef66a36344462b949a;hp=c0b2bdc5bfe7ae4683fb4ec6c71e01bf47dd2853;hpb=c22fe24a0da896a52dbc3882390ec18a440ef56a;p=bertos.git diff --git a/bertos/kern/proc_p.h b/bertos/kern/proc_p.h index c0b2bdc5..54ba7be1 100644 --- a/bertos/kern/proc_p.h +++ b/bertos/kern/proc_p.h @@ -27,15 +27,14 @@ * the GNU General Public License. * * Copyright 2001, 2004 Develer S.r.l. (http://www.develer.com/) - * Copyright 1999, 2000, 2001 Bernardo Innocenti + * Copyright 1999, 2000, 2001 Bernie Innocenti * * --> * * \brief Internal scheduler structures and definitions for processes. * * \version $Id$ - * - * \author Bernardo Innocenti + * \author Bernie Innocenti */ #ifndef KERN_PROC_P_H @@ -46,7 +45,7 @@ #include /* for cpu_stack_t */ -#include +#include typedef struct Process { @@ -65,6 +64,9 @@ typedef struct Process #if CONFIG_KERN_HEAP uint16_t flags; /**< Flags */ +#endif + +#if CONFIG_KERN_HEAP | CONFIG_KERN_MONITOR | (ARCH & ARCH_EMUL) cpustack_t *stack_base; /**< Base of process stack */ size_t stack_size; /**< Size of process stack */ #endif @@ -74,8 +76,6 @@ typedef struct Process { Node link; const char *name; - cpustack_t *stack_base; - size_t stack_size; } monitor; #endif @@ -93,11 +93,24 @@ typedef struct Process /** Track running processes. */ 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() + */ extern REGISTER List ProcReadyList; -/** Enqueue a task in the ready list. */ +/** + * Enqueue a task 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. + * + * \note This macro is *NOT* protected against the scheduler. Access to + * this list must be performed with interrupts disabled. + */ #define SCHED_ENQUEUE(proc) ADDTAIL(&ProcReadyList, &(proc)->link) /** Schedule to another process *without* adding the current to the ready list. */ @@ -108,14 +121,13 @@ void proc_schedule(void); void monitor_init(void); /** Register a process into the monitor */ - void monitor_add(Process *proc, const char *name, cpustack_t *stack, size_t stacksize); + void monitor_add(Process *proc, const char *name); /** Unregister a process from the monitor */ void monitor_remove(Process *proc); /** Rename a process */ - void monitor_rename(Process *proc, const char* name); + void monitor_rename(Process *proc, const char *name); #endif /* CONFIG_KERN_MONITOR */ #endif /* KERN_PROC_P_H */ -