ProcFS server, by Alen Stojanov and David van Moolenbroek

include/Makefile

@@ -21,7 +21,8 @@ INCS+=	minix/a.out.h minix/bitmap.h minix/callnr.h minix/cdrom.h \
 	minix/fslib.h minix/ioctl.h minix/ipc.h minix/ipcconst.h \
 	minix/keymap.h minix/minlib.h minix/mq.h \
 	minix/netdriver.h minix/partition.h minix/paths.h \
-	minix/portio.h minix/priv.h minix/profile.h minix/queryparam.h \
+	minix/portio.h minix/priv.h minix/procfs.h minix/profile.h \
+	minix/queryparam.h \
 	minix/rs.h minix/safecopies.h minix/sched.h minix/sef.h minix/sound.h \
 	minix/spin.h minix/sys_config.h minix/sysinfo.h minix/syslib.h \
 	minix/sysutil.h minix/timers.h minix/tty.h minix/type.h minix/types.h \

include/minix/procfs.h

@@ -0,0 +1,42 @@
+#ifndef _MINIX_PROCFS_H
+#define _MINIX_PROCFS_H
+
+/* The compatibility model is as follows. The current format should be retained
+ * for as long as possible; new fields can be added at the end of the line,
+ * because ps/top only read as much as they know of from the start of the line.
+ * Once fields (really) have to be removed, or the whole line becomes too big
+ * of a mess, a completely new format string can be put in, but with an
+ * increased PSINFO_VERSION at the beginning. That way, older ps/top copies
+ * will not misinterpret the new fields, but rather fail cleanly.
+ */
+#define PSINFO_VERSION	0
+
+/* Process types. */
+#define TYPE_TASK	'T'
+#define TYPE_SYSTEM	'S'
+#define TYPE_USER	'U'
+
+/* General process states. */
+#define STATE_SLEEP	'S'
+#define STATE_WAIT	'W'
+#define STATE_ZOMBIE	'Z'
+#define STATE_RUN	'R'
+#define STATE_STOP	'T'
+
+/* PM sleep states. */
+#define PSTATE_NONE	'-'
+#define PSTATE_PAUSED	'P'
+#define PSTATE_WAITING	'W'
+#define PSTATE_SIGSUSP	'S'
+
+/* VFS block states. */
+#define FSTATE_NONE	'-'
+#define FSTATE_PIPE	'P'
+#define FSTATE_LOCK	'L'
+#define FSTATE_POPEN	'O'
+#define FSTATE_SELECT	'S'
+#define FSTATE_DOPEN	'D'
+#define FSTATE_TASK	'T'
+#define FSTATE_UNKNOWN	'?'
+
+#endif /* _MINIX_PROCFS_H */