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 1.7 2004/08/25 14:12:09 rasky
19 *#* Aggiornato il comment block dei log RCS
21 *#* Revision 1.6 2004/08/24 16:05:15 bernie
22 *#* Add missing headers; Reformat.
24 *#* Revision 1.5 2004/08/14 19:37:57 rasky
25 *#* Merge da SC: macros.h, pool.h, BIT_CHANGE, nome dei processi, etc.
27 *#* Revision 1.4 2004/07/30 14:24:16 rasky
28 *#* Task switching con salvataggio perfetto stato di interrupt (SR)
29 *#* Kernel monitor per dump informazioni su stack dei processi
31 *#* Revision 1.3 2004/07/14 14:18:09 rasky
32 *#* Merge da SC: Rimosso timer dentro il task, che รจ uno spreco di memoria per troppi task
34 *#* Revision 1.2 2004/06/03 11:27:09 bernie
35 *#* Add dual-license information.
37 *#* Revision 1.1 2004/05/23 17:27:00 bernie
38 *#* Import kern/ subdirectory.
40 *#* Revision 1.3 2004/05/14 12:52:13 rasky
41 *#* Importato supporto kernel per AVR da Stefano
43 *#* Revision 1.2 2004/04/28 16:13:49 rasky
44 *#* proc_schedule() is now semi-private (used only within the kernel)
46 *#* Revision 1.1 2004/04/26 18:02:40 rasky
47 *#* Importato microkernel
49 *#* Revision 1.1 2004/04/04 17:40:26 aleph
50 *#* Add multithreading kernel
57 #include "cpu.h" /* for cpu_stack_t */
59 #include "config_kern.h"
60 #include <mware/list.h>
62 typedef struct Process
64 Node link; /*!< Link Process into scheduler lists */
65 cpustack_t *stack; /*!< Per-process SP */
66 IPTR user_data; /*!< Custom data passed to the process */
68 #if CONFIG_KERN_SIGNALS
69 sigset_t sig_wait; /*!< Signals the process is waiting for */
70 sigset_t sig_recv; /*!< Received signals */
74 uint16_t flags; /*!< Flags */
75 cpustack_t *stack_base; /*!< Base of process stack */
76 size_t stack_size; /*!< Size of process stack */
79 #if CONFIG_KERN_MONITOR
84 cpustack_t *stack_base;
93 * \name Flags for Process.flags
96 #define PF_FREESTACK BV(0) /*!< Free the stack when process dies */
100 /*! Track running processes */
101 extern REGISTER Process *CurrentProcess;
103 /*! Track ready processes */
104 extern REGISTER List ProcReadyList;
108 * Enqueue a task in the ready list
110 #define SCHED_ENQUEUE(proc) ADDTAIL(&ProcReadyList, &(proc)->link)
112 /*! Schedule to another process *without* adding the current to the ready list */
113 void proc_schedule(void);
115 #endif /* KERN_PROC_P_H */