From 835dea0eb6333a9ef452881ea073bfe59d14096a Mon Sep 17 00:00:00 2001
From: Nicholas Noll <nbnoll@eml.cc>
Date: Thu, 18 Nov 2021 17:49:04 -0800
Subject: feat: continued filling out system layer

---
 sys/linux/port/os/constants.h |  2 ++
 sys/linux/port/os/types.h     | 41 ++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 42 insertions(+), 1 deletion(-)

(limited to 'sys/linux')

diff --git a/sys/linux/port/os/constants.h b/sys/linux/port/os/constants.h
index 8abf1fa..8fb913f 100644
--- a/sys/linux/port/os/constants.h
+++ b/sys/linux/port/os/constants.h
@@ -23,6 +23,8 @@
 #define sys·ModeLink   0120000
 #define sys·ModeSocket 0140000
 
+/* ioctl values */
+
 /* mmap */
 #define sys·ProtNone      0
 #define sys·ProtRead      1
diff --git a/sys/linux/port/os/types.h b/sys/linux/port/os/types.h
index 6e5c0c6..e772b35 100644
--- a/sys/linux/port/os/types.h
+++ b/sys/linux/port/os/types.h
@@ -1,4 +1,5 @@
 #pragma once
+#define packed __attribute__((packed))
 
 /*
  * time
@@ -6,6 +7,7 @@
 
 /* timeval */
 typedef struct sys·TimeStamp sys·TimeStamp;
+typedef struct sys·TimeValue sys·TimeValue;
 
 struct sys·TimeStamp
 {
@@ -14,6 +16,41 @@ struct sys·TimeStamp
     int32  femto;
 };
 
+struct sys·TimeValue
+{
+    int64 sec;
+    int64 micro;
+};
+
+/* resource */
+typedef struct sys·UsageInfo sys·UsageInfo;
+
+/* rusage */
+struct sys·UsageInfo
+{
+    sys·TimeValue cpu;
+    sys·TimeValue sys;
+    /* linux extensions */
+   long  maxrss;       /* maximum resident set size */
+   long  ixrss;        /* integral shared memory size */
+   long  idrss;        /* integral unshared data size */
+   long  isrss;        /* integral unshared stack size */
+   struct packed {
+       long minor;     /* page reclaims (soft page faults) */
+       long major;     /* page faults (hard page faults) */
+   }fault;
+   long  nswap;        /* swaps */
+   long  iblk;         /* block input operations */
+   long  oblk;         /* block output operations */
+   long  msgsent;      /* IPC messages sent */
+   long  msgrcvd;      /* IPC messages received */
+   long  nsignal;      /* signals received */
+   long  nvctxsw;      /* voluntary context switches */
+   long  nictxsw;      /* involuntary context switches */
+    /* room for more... */
+    long    __reserved[16];
+};
+
 /*
  * files
  */
@@ -40,7 +77,7 @@ struct sys·Info
 
     sys·TimeStamp access, create, status, modify;
 
-    struct{
+    struct packed{
         uint32 major;
         uint32 minor;
     }spdev;
@@ -70,3 +107,5 @@ struct sys·DirEntry
     uchar  type;   /* filetype */
     char   name[]; /* filename */
 };
+
+#undef packed
-- 
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