4 * Copyright 2001, 2004 Develer S.r.l. (http://www.develer.com/)
5 * Copyright 1999, 2000, 2001 Bernardo Innocenti <bernie@develer.com>
6 * This file is part of DevLib - See devlib/README for information.
9 * \brief Internal scheduler structures and definitions for processes.
13 * \author Bernardo Innocenti <bernie@develer.com>
18 *#* Revision 1.8 2004/10/03 20:39:28 bernie
19 *#* Import changes from sc/firmware.
21 *#* Revision 1.7 2004/08/25 14:12:09 rasky
22 *#* Aggiornato il comment block dei log RCS
24 *#* Revision 1.6 2004/08/24 16:05:15 bernie
25 *#* Add missing headers; Reformat.
27 *#* Revision 1.5 2004/08/14 19:37:57 rasky
28 *#* Merge da SC: macros.h, pool.h, BIT_CHANGE, nome dei processi, etc.
30 *#* Revision 1.4 2004/07/30 14:24:16 rasky
31 *#* Task switching con salvataggio perfetto stato di interrupt (SR)
32 *#* Kernel monitor per dump informazioni su stack dei processi
34 *#* Revision 1.3 2004/07/14 14:18:09 rasky
35 *#* Merge da SC: Rimosso timer dentro il task, che รจ uno spreco di memoria per troppi task
37 *#* Revision 1.2 2004/06/03 11:27:09 bernie
38 *#* Add dual-license information.
40 *#* Revision 1.1 2004/05/23 17:27:00 bernie
41 *#* Import kern/ subdirectory.
43 *#* Revision 1.3 2004/05/14 12:52:13 rasky
44 *#* Importato supporto kernel per AVR da Stefano
46 *#* Revision 1.2 2004/04/28 16:13:49 rasky
47 *#* proc_schedule() is now semi-private (used only within the kernel)
49 *#* Revision 1.1 2004/04/26 18:02:40 rasky
50 *#* Importato microkernel
52 *#* Revision 1.1 2004/04/04 17:40:26 aleph
53 *#* Add multithreading kernel
60 #include "cpu.h" /* for cpu_stack_t */
62 #include "config_kern.h"
63 #include <mware/list.h>
65 typedef struct Process
67 Node link; /*!< Link Process into scheduler lists */
68 cpustack_t *stack; /*!< Per-process SP */
69 IPTR user_data; /*!< Custom data passed to the process */
71 #if CONFIG_KERN_SIGNALS
72 sigset_t sig_wait; /*!< Signals the process is waiting for */
73 sigset_t sig_recv; /*!< Received signals */
77 uint16_t flags; /*!< Flags */
78 cpustack_t *stack_base; /*!< Base of process stack */
79 size_t stack_size; /*!< Size of process stack */
82 #if CONFIG_KERN_MONITOR
87 cpustack_t *stack_base;
96 * \name Flags for Process.flags
99 #define PF_FREESTACK BV(0) /*!< Free the stack when process dies */
103 /*! Track running processes */
104 extern REGISTER Process *CurrentProcess;
106 /*! Track ready processes */
107 extern REGISTER List ProcReadyList;
111 * Enqueue a task in the ready list
113 #define SCHED_ENQUEUE(proc) ADDTAIL(&ProcReadyList, &(proc)->link)
115 /*! Schedule to another process *without* adding the current to the ready list */
116 void proc_schedule(void);
118 #if CONFIG_KERN_MONITOR
119 /*! Initialize the monitor */
120 void monitor_init(void);
122 /*! Register a process into the monitor */
123 void monitor_add(Process *proc, const char *name, cpustack_t *stack, size_t stacksize);
125 /*! Deregister a process from the monitor */
126 void monitor_remove(Process *proc);
127 #endif /* CONFIG_KERN_MONITOR */
129 #endif /* KERN_PROC_P_H */