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 1.10 2004/10/19 11:47:07 bernie
19 *#* Add missing #endif.
21 *#* Revision 1.9 2004/10/19 08:55:31 bernie
22 *#* Define forbid_cnt.
24 *#* Revision 1.8 2004/10/03 20:39:28 bernie
25 *#* Import changes from sc/firmware.
27 *#* Revision 1.7 2004/08/25 14:12:09 rasky
28 *#* Aggiornato il comment block dei log RCS
30 *#* Revision 1.6 2004/08/24 16:05:15 bernie
31 *#* Add missing headers; Reformat.
33 *#* Revision 1.5 2004/08/14 19:37:57 rasky
34 *#* Merge da SC: macros.h, pool.h, BIT_CHANGE, nome dei processi, etc.
36 *#* Revision 1.4 2004/07/30 14:24:16 rasky
37 *#* Task switching con salvataggio perfetto stato di interrupt (SR)
38 *#* Kernel monitor per dump informazioni su stack dei processi
40 *#* Revision 1.3 2004/07/14 14:18:09 rasky
41 *#* Merge da SC: Rimosso timer dentro il task, che รจ uno spreco di memoria per troppi task
43 *#* Revision 1.2 2004/06/03 11:27:09 bernie
44 *#* Add dual-license information.
46 *#* Revision 1.1 2004/05/23 17:27:00 bernie
47 *#* Import kern/ subdirectory.
49 *#* Revision 1.3 2004/05/14 12:52:13 rasky
50 *#* Importato supporto kernel per AVR da Stefano
52 *#* Revision 1.2 2004/04/28 16:13:49 rasky
53 *#* proc_schedule() is now semi-private (used only within the kernel)
55 *#* Revision 1.1 2004/04/26 18:02:40 rasky
56 *#* Importato microkernel
58 *#* Revision 1.1 2004/04/04 17:40:26 aleph
59 *#* Add multithreading kernel
66 #include "cpu.h" /* for cpu_stack_t */
68 #include "config_kern.h"
69 #include <mware/list.h>
71 typedef struct Process
73 Node link; /*!< Link Process into scheduler lists */
74 cpustack_t *stack; /*!< Per-process SP */
75 IPTR user_data; /*!< Custom data passed to the process */
77 #if CONFIG_KERN_SIGNALS
78 sigset_t sig_wait; /*!< Signals the process is waiting for */
79 sigset_t sig_recv; /*!< Received signals */
82 #if CONFIG_KERN_PREEMPTIVE
83 int forbid_cnt; /*!< Nesting count for proc_forbid()/proc_permit(). */
87 uint16_t flags; /*!< Flags */
88 cpustack_t *stack_base; /*!< Base of process stack */
89 size_t stack_size; /*!< Size of process stack */
92 #if CONFIG_KERN_MONITOR
97 cpustack_t *stack_base;
106 * \name Flags for Process.flags.
109 #define PF_FREESTACK BV(0) /*!< Free the stack when process dies */
113 /*! Track running processes. */
114 extern REGISTER Process *CurrentProcess;
116 /*! Track ready processes. */
117 extern REGISTER List ProcReadyList;
120 /*! Enqueue a task in the ready list. */
121 #define SCHED_ENQUEUE(proc) ADDTAIL(&ProcReadyList, &(proc)->link)
123 /*! Schedule to another process *without* adding the current to the ready list. */
124 void proc_schedule(void);
126 #if CONFIG_KERN_MONITOR
127 /*! Initialize the monitor */
128 void monitor_init(void);
130 /*! Register a process into the monitor */
131 void monitor_add(Process *proc, const char *name, cpustack_t *stack, size_t stacksize);
133 /*! Unregister a process from the monitor */
134 void monitor_remove(Process *proc);
136 /*! Rename a process */
137 void monitor_rename(Process *proc, const char* name);
138 #endif /* CONFIG_KERN_MONITOR */
140 #endif /* KERN_PROC_P_H */