includes: Add proc.h with process related definitions

From: Sergio L. Pascual <https://github.com/slp/FUZIX>

diff --git a/Library/include/proc.h b/Library/include/proc.h
new file mode 100644 (file)
index 0000000..1fe912e
--- /dev/null
+++ b/Library/include/proc.h
@@ -0,0 +1,61 @@
+#ifndef __PROC_H
+#define __PROC_H
+
+/* Process table p_status values */
+
+#define P_EMPTY         0    /* Unused slot */
+#define P_RUNNING       1    /* Currently running process (must match value in kernel.def) */
+/* The sleeping range must be together see swap.c */
+#define P_READY         2    /* Runnable   */
+#define P_SLEEP         3    /* Sleeping; can be awakened by signal */
+#define P_XSLEEP        4    /* Sleeping, don't wake up for signal */
+#define P_PAUSE         5    /* Sleeping for pause(); can wakeup for signal */
+#define P_WAIT          6    /* Executed a wait() */
+#define P_FORKING       7    /* In process of forking; do not mess with */
+#define P_ZOMBIE2       8    /* Exited but code pages still valid. */
+#define P_ZOMBIE        9    /* Exited. */
+
+/* Process table entry */
+
+typedef struct p_tab {
+    /* WRS: UPDATE kernel.def IF YOU CHANGE THIS STRUCTURE */
+    uint8_t     p_status;       /* Process status: MUST BE FIRST MEMBER OF STRUCT */
+    uint8_t     p_tty;          /* Process' controlling tty minor # */
+    uint16_t    p_pid;          /* Process ID */
+    uint16_t    p_uid;
+    struct p_tab *p_pptr;      /* Process parent's table entry */
+    uint16_t    p_alarm;        /* Centiseconds until alarm goes off */
+    uint16_t    p_exitval;      /* Exit value */
+    void *      p_wait;         /* Address of thing waited for */
+    uint16_t    p_page;         /* Page mapping data */
+    uint16_t    p_page2;        /* It's really four bytes for the platform */
+    /* Update kernel.def if you change fields above this comment */
+    /* Everything below here is overlaid by time info at exit */
+    uint16_t    p_priority;     /* Process priority */
+    uint32_t    p_pending;      /* Bitmask of pending signals */
+    uint32_t    p_ignored;      /* Bitmask of ignored signals */
+    uint32_t    p_held;         /* Bitmask of held signals */
+    struct u_block *p_ublk;     /* Pointer to udata block when not running */
+    uint16_t    p_waitno;       /* wait #; for finding longest waiting proc */
+    uint16_t    p_timeout;      /* timeout in centiseconds - 1 */
+                                /* 0 indicates no timeout, 1 = expired */
+
+/**HP**/
+    char    p_name[8];
+    clock_t p_time, p_utime, p_stime, p_cutime, p_cstime;
+/**HP**/
+    uint16_t    p_pgrp;         /* Process group */
+    uint8_t     p_nice;
+#ifdef CONFIG_PROFIL
+    uint8_t     p_profscale;
+    void *      p_profbuf;
+    uint16_t    p_profsize;
+    uint16_t    p_profoff;
+#endif
+};
+
+#ifndef PTABSIZE
+#define PTABSIZE 15      /* Process table size. */
+#endif
+
+#endif /* __PROC_H */