New IPC error codes: ESRCDIED, EDSTDIED, ETRAPDENIED.

New getsysinfo type to get DS store contents from IS.
New Data Store (DS) server message types and arguments.

diff --git a/include/errno.h b/include/errno.h
index 28cec0d84a3e5449c2a6ba656674e6ee2ea4eb15..7bd2284b97255f2143096db997bc0d798307d3ed 100755 (executable)
--- a/include/errno.h
+++ b/include/errno.h
@@ -111,6 +111,9 @@ extern int errno;             /* place where the error numbers go */
 #define EDEADSRCDST  (_SIGN 105)  /* source or destination is not alive */
 #define ENOTREADY    (_SIGN 106)  /* source or destination is not ready */
 #define EBADREQUEST  (_SIGN 107)  /* destination cannot handle request */
+#define ESRCDIED     (_SIGN 108)  /* source just died */
+#define EDSTDIED     (_SIGN 109)  /* destination just died */
+#define ETRAPDENIED  (_SIGN 110)  /* IPC trap not allowed */
 #define EDONTREPLY   (_SIGN 201)  /* pseudo-code: don't send a reply */
 
 #endif /* _ERRNO_H */

diff --git a/include/minix/com.h b/include/minix/com.h
index fa30bd79f1400570edf3a65a6ab1f332a21d4364..41a37d38d09fe9bf742a92820900cdd297bd92a2 100755 (executable)
--- a/include/minix/com.h
+++ b/include/minix/com.h
@@ -38,7 +38,8 @@
 #define LOG_PROC_NR      4     /* log device driver */
 #define TTY_PROC_NR      5     /* terminal (TTY) driver */
 #define DRVR_PROC_NR      6    /* device driver for boot medium */
-#define INIT_PROC_NR     7     /* init -- goes multiuser */
+#define DS_PROC_NR       7     /* data store server */
+#define INIT_PROC_NR     8     /* init -- goes multiuser */
 
 /* Number of processes contained in the system image. */
 #define NR_BOOT_PROCS  (NR_TASKS + INIT_PROC_NR + 1)
@@ -77,7 +78,7 @@
 #define DEV_RQ_BASE   0x400    /* base for device request types */
 #define DEV_RS_BASE   0x500    /* base for device response types */
 
-#define CANCEL         (DEV_RQ_BASE +  0) /* general req to force a task to cancel */
+#define CANCEL         (DEV_RQ_BASE +  0) /* force a task to cancel */
 #define DEV_READ       (DEV_RQ_BASE +  3) /* read from minor device */
 #define DEV_WRITE      (DEV_RQ_BASE +  4) /* write to minor device */
 #define DEV_IOCTL      (DEV_RQ_BASE +  5) /* I/O control code */
@@ -378,20 +379,37 @@
 #define SEL_TIMEOUT    m8_p4
 
 /*===========================================================================*
- *                Messages for system management server                     *
+ *                Messages for the Reincarnation Server                     *
  *===========================================================================*/
 
-#define SRV_RQ_BASE            0x700
+#define RS_RQ_BASE             0x700
 
-#define SRV_UP         (SRV_RQ_BASE + 0)       /* start system service */
-#define SRV_DOWN       (SRV_RQ_BASE + 1)       /* stop system service */
-#define SRV_SHUTDOWN   (SRV_RQ_BASE + 2)       /* alert about shutdown */
+#define RS_UP          (RS_RQ_BASE + 0)        /* start system service */
+#define RS_DOWN                (RS_RQ_BASE + 1)        /* stop system service */
+#define RS_REFRESH     (RS_RQ_BASE + 2)        /* restart system service */
+#define RS_SHUTDOWN    (RS_RQ_BASE + 3)        /* alert about shutdown */
 
-#  define SRV_CMD_ADDR         m1_p1           /* command string */
-#  define SRV_CMD_LEN          m1_i1           /* length of command */
-#  define SRV_PID              m1_i1           /* pid of system service */
-#  define SRV_PERIOD           m1_i2           /* heartbeat period */
-#  define SRV_DEV_MAJOR         m1_i3           /* major device number */
+#  define RS_CMD_ADDR          m1_p1           /* command string */
+#  define RS_CMD_LEN           m1_i1           /* length of command */
+#  define RS_PID               m1_i1           /* pid of system service */
+#  define RS_PERIOD            m1_i2           /* heartbeat period */
+#  define RS_DEV_MAJOR          m1_i3           /* major device number */
+
+/*===========================================================================*
+ *                Messages for the Data Store Server                        *
+ *===========================================================================*/
+
+#define DS_RQ_BASE             0x800
+
+#define DS_PUBLISH     (DS_RQ_BASE + 0)        /* publish information */
+#define DS_RETRIEVE    (DS_RQ_BASE + 1)        /* retrieve information */
+#define DS_SUBSCRIBE   (DS_RQ_BASE + 2)        /* subscribe to information */
+
+#  define DS_KEY               m2_i1           /* key for the information */
+#  define DS_FLAGS             m2_i2           /* flags provided by caller */
+#  define DS_AUTH              m2_p1           /* authorization of caller */
+#  define DS_VAL_L1            m2_l1           /* first long data value */
+#  define DS_VAL_L2            m2_l2           /* second long data value */
 
 /*===========================================================================*
  *                Miscellaneous messages used by TTY                        *

diff --git a/include/minix/type.h b/include/minix/type.h
index b5456ddd148813b6bf7f6b3f43838ffc1784cac4..a3aa7de54bc1f879d57d0d79a22d07786ad29a3f 100755 (executable)
--- a/include/minix/type.h
+++ b/include/minix/type.h
@@ -96,7 +96,8 @@ struct kinfo {
   phys_bytes kmem_size;
   phys_bytes bootdev_base;     /* boot device from boot image (/dev/boot) */
   phys_bytes bootdev_size;
-  phys_bytes bootdev_mem;
+  phys_bytes ramdev_base;      /* boot device from boot image (/dev/boot) */
+  phys_bytes ramdev_size;
   phys_bytes params_base;      /* parameters passed by boot monitor */
   phys_bytes params_size;
   int nr_procs;                        /* number of user processes */

diff --git a/include/unistd.h b/include/unistd.h
index d89bdb476558f700e85eaaf5955d307a5cc1d0f2..629ab534cc667e20c98b1098f932b4b6c8d707ae 100755 (executable)
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -41,6 +41,7 @@
 #define SI_PROC_TAB       2    /* copy of entire process table */
 #define SI_DMAP_TAB       3    /* get device <-> driver mappings */
 #define SI_MEM_ALLOC      4    /* get memory allocation data */
+#define SI_DATA_STORE     5    /* get copy of data store */
 
 /* NULL must be defined in <unistd.h> according to POSIX Sec. 2.7.1. */
 #define NULL    ((void *)0)