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