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Diffstat (limited to 'src/vmsfns.c')
| -rw-r--r-- | src/vmsfns.c | 962 |
1 files changed, 0 insertions, 962 deletions
diff --git a/src/vmsfns.c b/src/vmsfns.c deleted file mode 100644 index 716ba21def7..00000000000 --- a/src/vmsfns.c +++ /dev/null @@ -1,962 +0,0 @@ -/* VMS subprocess and command interface. - Copyright (C) 1987, 1988 Free Software Foundation, Inc. - -This file is part of GNU Emacs. - -GNU Emacs is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Emacs is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Emacs; see the file COPYING. If not, write to -the Free Software Foundation, Inc., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* Written by Mukesh Prasad. */ - -/* - * INTERFACE PROVIDED BY EMACS FOR VMS SUBPROCESSES: - * - * Emacs provides the following functions: - * - * "spawn-subprocess", which takes as arguments: - * - * (i) an integer to identify the spawned subprocess in future - * operations, - * (ii) A function to process input from the subprocess, and - * (iii) A function to be called upon subprocess termination. - * - * First argument is required. If second argument is missing or nil, - * the default action is to insert all received messages at the current - * location in the current buffer. If third argument is missing or nil, - * no action is taken upon subprocess termination. - * The input-handler is called as - * (input-handler num string) - * where num is the identifying integer for the subprocess and string - * is a string received from the subprocess. exit-handler is called - * with the identifying integer as the argument. - * - * "send-command-to-subprocess" takes two arguments: - * - * (i) Subprocess identifying integer. - * (ii) String to send as a message to the subprocess. - * - * "stop-subprocess" takes the subprocess identifying integer as - * argument. - * - * Implementation is done by spawning an asynchronous subprocess, and - * communicating to it via mailboxes. - */ - -#ifdef VMS - -#include <stdio.h> -#include <ctype.h> -#undef NULL - -#include <config.h> -#include "lisp.h" -#include <descrip.h> -#include <dvidef.h> -#include <prvdef.h> -/* #include <clidef.h> */ -#include <iodef.h> -#include <ssdef.h> -#include <errno.h> - -#ifdef VMS4_4 /* I am being cautious; perhaps this exists in older versions */ -#include <jpidef.h> -#endif - -/* #include <syidef.h> */ - -#define CLI$M_NOWAIT 1 /* clidef.h is missing from C library */ -#define SYI$_VERSION 4096 /* syidef.h is missing from C library */ -#define JPI$_CLINAME 522 /* JPI$_CLINAME is missing from jpidef.h */ -#define JPI$_MASTER_PID 805 /* JPI$_MASTER_PID missing from jpidef.h */ -#define LIB$_NOSUCHSYM 1409892 /* libclidef.h missing */ - -#define MSGSIZE 160 /* Maximum size for mailbox operations */ - -#ifndef PRV$V_ACNT - -/* these defines added as hack for VMS 5.1-1. SJones, 8-17-89 */ -/* this is _really_ nasty and needs to be changed ASAP - should see about - using the union defined in SYS$LIBRARY:PRVDEF.H under v5 */ - -#define PRV$V_ACNT 0x09 -#define PRV$V_ALLSPOOL 0x04 -#define PRV$V_ALTPRI 0x0D -#define PRV$V_BUGCHK 0x17 -#define PRV$V_BYPASS 0x1D -#define PRV$V_CMEXEC 0x01 -#define PRV$V_CMKRNL 0x00 -#define PRV$V_DETACH 0x05 -#define PRV$V_DIAGNOSE 0x06 -#define PRV$V_DOWNGRADE 0x21 -#define PRV$V_EXQUOTA 0x13 -#define PRV$V_GROUP 0x08 -#define PRV$V_GRPNAM 0x03 -#define PRV$V_GRPPRV 0x22 -#define PRV$V_LOG_IO 0x07 -#define PRV$V_MOUNT 0x11 -#define PRV$V_NETMBX 0x14 -#define PRV$V_NOACNT 0x09 -#define PRV$V_OPER 0x12 -#define PRV$V_PFNMAP 0x1A -#define PRV$V_PHY_IO 0x16 -#define PRV$V_PRMCEB 0x0A -#define PRV$V_PRMGBL 0x18 -#define PRV$V_PRMJNL 0x25 -#define PRV$V_PRMMBX 0x0B -#define PRV$V_PSWAPM 0x0C -#define PRV$V_READALL 0x23 -#define PRV$V_SECURITY 0x26 -#define PRV$V_SETPRI 0x0D -#define PRV$V_SETPRV 0x0E -#define PRV$V_SHARE 0x1F -#define PRV$V_SHMEM 0x1B -#define PRV$V_SYSGBL 0x19 -#define PRV$V_SYSLCK 0x1E -#define PRV$V_SYSNAM 0x02 -#define PRV$V_SYSPRV 0x1C -#define PRV$V_TMPJNL 0x24 -#define PRV$V_TMPMBX 0x0F -#define PRV$V_UPGRADE 0x20 -#define PRV$V_VOLPRO 0x15 -#define PRV$V_WORLD 0x10 -#endif - -/* IO status block for mailbox operations. */ -struct mbx_iosb -{ - short status; - short size; - int pid; -}; - -/* Structure for maintaining linked list of subprocesses. */ -struct process_list -{ - int name; /* Numeric identifier for subprocess */ - int process_id; /* VMS process address */ - int process_active; /* 1 iff process has not exited yet */ - int mbx_chan; /* Mailbox channel to write to process */ - struct mbx_iosb iosb; /* IO status block for write operations */ - Lisp_Object input_handler; /* Input handler for subprocess */ - Lisp_Object exit_handler; /* Exit handler for subprocess */ - struct process_list * next; /* Linked list chain */ -}; - -/* Structure for privilege list. */ -struct privilege_list -{ - char * name; - int mask; -}; - -/* Structure for finding VMS related information. */ -struct vms_objlist -{ - char * name; /* Name of object */ - Lisp_Object (* objfn)(); /* Function to retrieve VMS object */ -}; - -static int exit_ast (); /* Called upon subprocess exit */ -static int create_mbx (); /* Creates mailbox */ -static void mbx_msg (); /* Writes null terminated string to mbx */ -static void write_to_mbx (); /* Writes message to string */ -static void start_mbx_input (); /* Queues I/O request to mailbox */ - -static int input_mbx_chan = 0; /* Channel to read subprocess input on */ -static char input_mbx_name[20]; - /* Storage for mailbox device name */ -static struct dsc$descriptor_s input_mbx_dsc; - /* Descriptor for mailbox device name */ -static struct process_list * process_list = 0; - /* Linked list of subprocesses */ -static char mbx_buffer[MSGSIZE]; - /* Buffer to read from subprocesses */ -static struct mbx_iosb input_iosb; - /* IO status block for mailbox reads */ - -int have_process_input, /* Non-zero iff subprocess input pending */ - process_exited; /* Non-zero iff suprocess exit pending */ - -/* List of privilege names and mask offsets */ -static struct privilege_list priv_list[] = { - - { "ACNT", PRV$V_ACNT }, - { "ALLSPOOL", PRV$V_ALLSPOOL }, - { "ALTPRI", PRV$V_ALTPRI }, - { "BUGCHK", PRV$V_BUGCHK }, - { "BYPASS", PRV$V_BYPASS }, - { "CMEXEC", PRV$V_CMEXEC }, - { "CMKRNL", PRV$V_CMKRNL }, - { "DETACH", PRV$V_DETACH }, - { "DIAGNOSE", PRV$V_DIAGNOSE }, - { "DOWNGRADE", PRV$V_DOWNGRADE }, /* Isn't VMS as low as you can go? */ - { "EXQUOTA", PRV$V_EXQUOTA }, - { "GRPPRV", PRV$V_GRPPRV }, - { "GROUP", PRV$V_GROUP }, - { "GRPNAM", PRV$V_GRPNAM }, - { "LOG_IO", PRV$V_LOG_IO }, - { "MOUNT", PRV$V_MOUNT }, - { "NETMBX", PRV$V_NETMBX }, - { "NOACNT", PRV$V_NOACNT }, - { "OPER", PRV$V_OPER }, - { "PFNMAP", PRV$V_PFNMAP }, - { "PHY_IO", PRV$V_PHY_IO }, - { "PRMCEB", PRV$V_PRMCEB }, - { "PRMGBL", PRV$V_PRMGBL }, - { "PRMJNL", PRV$V_PRMJNL }, - { "PRMMBX", PRV$V_PRMMBX }, - { "PSWAPM", PRV$V_PSWAPM }, - { "READALL", PRV$V_READALL }, - { "SECURITY", PRV$V_SECURITY }, - { "SETPRI", PRV$V_SETPRI }, - { "SETPRV", PRV$V_SETPRV }, - { "SHARE", PRV$V_SHARE }, - { "SHMEM", PRV$V_SHMEM }, - { "SYSGBL", PRV$V_SYSGBL }, - { "SYSLCK", PRV$V_SYSLCK }, - { "SYSNAM", PRV$V_SYSNAM }, - { "SYSPRV", PRV$V_SYSPRV }, - { "TMPJNL", PRV$V_TMPJNL }, - { "TMPMBX", PRV$V_TMPMBX }, - { "UPGRADE", PRV$V_UPGRADE }, - { "VOLPRO", PRV$V_VOLPRO }, - { "WORLD", PRV$V_WORLD }, - - }; - -static Lisp_Object - vms_account(), vms_cliname(), vms_owner(), vms_grp(), vms_image(), - vms_parent(), vms_pid(), vms_prcnam(), vms_terminal(), vms_uic_int(), - vms_uic_str(), vms_username(), vms_version_fn(), vms_trnlog(), - vms_symbol(), vms_proclist(); - -/* Table of arguments to Fvms_object, and the handlers that get the data. */ - -static struct vms_objlist vms_object [] = { - { "ACCOUNT", vms_account }, /* Returns account name as a string */ - { "CLINAME", vms_cliname }, /* Returns CLI name (string) */ - { "OWNER", vms_owner }, /* Returns owner process's PID (int) */ - { "GRP", vms_grp }, /* Returns group number of UIC (int) */ - { "IMAGE", vms_image }, /* Returns executing image (string) */ - { "PARENT", vms_parent }, /* Returns parent proc's PID (int) */ - { "PID", vms_pid }, /* Returns process's PID (int) */ - { "PRCNAM", vms_prcnam }, /* Returns process's name (string) */ - { "TERMINAL", vms_terminal }, /* Returns terminal name (string) */ - { "UIC", vms_uic_int }, /* Returns UIC as integer */ - { "UICGRP", vms_uic_str }, /* Returns UIC as string */ - { "USERNAME", vms_username }, /* Returns username (string) */ - { "VERSION", vms_version_fn },/* Returns VMS version (string) */ - { "LOGICAL", vms_trnlog }, /* Translates VMS logical name */ - { "DCL-SYMBOL", vms_symbol }, /* Translates DCL symbol */ - { "PROCLIST", vms_proclist }, /* Returns list of all PIDs on system */ - }; - -Lisp_Object Qdefault_subproc_input_handler; - -extern int process_ef; /* Event flag for subprocess operations */ - -DEFUN ("default-subprocess-input-handler", - Fdefault_subproc_input_handler, Sdefault_subproc_input_handler, - 2, 2, 0, - "Default input handler for input from spawned subprocesses.") - (name, input) - Lisp_Object name, input; -{ - /* Just insert in current buffer */ - insert1 (input); - insert ("\n", 1); -} - -DEFUN ("spawn-subprocess", Fspawn_subprocess, Sspawn_subprocess, 1, 3, 0, - "Spawn an asynchronous VMS suprocess for command processing.") - (name, input_handler, exit_handler) - Lisp_Object name, input_handler, exit_handler; -{ - int status; - char output_mbx_name[20]; - struct dsc$descriptor_s output_mbx_dsc; - struct process_list *ptr, *p, *prev; - - CHECK_NUMBER (name, 0); - if (! input_mbx_chan) - { - if (! create_mbx (&input_mbx_dsc, input_mbx_name, &input_mbx_chan, 1)) - return Qnil; - start_mbx_input (); - } - ptr = 0; - prev = 0; - while (ptr) - { - struct process_list *next = ptr->next; - if (ptr->name == XFASTINT (name)) - { - if (ptr->process_active) - return Qt; - - /* Delete this process and run its exit handler. */ - if (prev) - prev->next = next; - else - process_list = next; - if (! NILP (ptr->exit_handler)) - Feval (Fcons (ptr->exit_handler, Fcons (make_number (ptr->name), - Qnil))); - sys$dassgn (ptr->mbx_chan); - break; - } - else - prev = ptr; - ptr = next; - } - if (! ptr) - ptr = xmalloc (sizeof (struct process_list)); - if (! create_mbx (&output_mbx_dsc, output_mbx_name, &ptr->mbx_chan, 2)) - { - free (ptr); - return Qnil; - } - if (NILP (input_handler)) - input_handler = Qdefault_subproc_input_handler; - ptr->input_handler = input_handler; - ptr->exit_handler = exit_handler; - message ("Creating subprocess..."); - status = lib$spawn (0, &output_mbx_dsc, &input_mbx_dsc, &CLI$M_NOWAIT, 0, - &ptr->process_id, 0, 0, exit_ast, &ptr->process_active); - if (! (status & 1)) - { - sys$dassgn (ptr->mbx_chan); - free (ptr); - error ("Unable to spawn subprocess"); - return Qnil; - } - ptr->name = XFASTINT (name); - ptr->next = process_list; - ptr->process_active = 1; - process_list = ptr; - message ("Creating subprocess...done"); - return Qt; -} - -static void -mbx_msg (ptr, msg) - struct process_list *ptr; - char *msg; -{ - write_to_mbx (ptr, msg, strlen (msg)); -} - -DEFUN ("send-command-to-subprocess", - Fsend_command_to_subprocess, Ssend_command_to_subprocess, 2, 2, - "sSend command to subprocess: \nsSend subprocess %s command: ", - "Send to VMS subprocess named NAME the string COMMAND.") - (name, command) - Lisp_Object name, command; -{ - struct process_list * ptr; - - CHECK_NUMBER (name, 0); - CHECK_STRING (command, 1); - for (ptr = process_list; ptr; ptr = ptr->next) - if (XFASTINT (name) == ptr->name) - { - write_to_mbx (ptr, XSTRING (command)->data, - XSTRING (command)->size); - return Qt; - } - return Qnil; -} - -DEFUN ("stop-subprocess", Fstop_subprocess, Sstop_subprocess, 1, 1, - "sStop subprocess: ", "Stop VMS subprocess named NAME.") - (name) - Lisp_Object name; -{ - struct process_list * ptr; - - CHECK_NUMBER (name, 0); - for (ptr = process_list; ptr; ptr = ptr->next) - if (XFASTINT (name) == ptr->name) - { - ptr->exit_handler = Qnil; - if (sys$delprc (&ptr->process_id, 0) & 1) - ptr->process_active = 0; - return Qt; - } - return Qnil; -} - -static int -exit_ast (active) - int * active; -{ - process_exited = 1; - *active = 0; - sys$setef (process_ef); -} - -/* Process to handle input on the input mailbox. - * Searches through the list of processes until the matching PID is found, - * then calls its input handler. - */ - -process_command_input () -{ - struct process_list * ptr; - char * msg; - int msglen; - Lisp_Object expr; - - msg = mbx_buffer; - msglen = input_iosb.size; - /* Hack around VMS oddity of sending extraneous CR/LF characters for - * some of the commands (but not most). - */ - if (msglen > 0 && *msg == '\r') - { - msg++; - msglen--; - } - if (msglen > 0 && msg[msglen - 1] == '\n') - msglen--; - if (msglen > 0 && msg[msglen - 1] == '\r') - msglen--; - /* Search for the subprocess in the linked list. - */ - expr = Qnil; - for (ptr = process_list; ptr; ptr = ptr->next) - if (ptr->process_id == input_iosb.pid) - { - expr = Fcons (ptr->input_handler, - Fcons (make_number (ptr->name), - Fcons (make_string (msg, msglen), - Qnil))); - break; - } - have_process_input = 0; - start_mbx_input (); - clear_waiting_for_input (); /* Otherwise Ctl-g will cause crash. JCB */ - if (! NILP (expr)) - Feval (expr); -} - -/* Searches process list for any processes which have exited. Calls their - * exit handlers and removes them from the process list. - */ - -process_exit () -{ - struct process_list * ptr, * prev, * next; - - process_exited = 0; - prev = 0; - ptr = process_list; - while (ptr) - { - next = ptr->next; - if (! ptr->process_active) - { - if (prev) - prev->next = next; - else - process_list = next; - if (! NILP (ptr->exit_handler)) - Feval (Fcons (ptr->exit_handler, Fcons (make_number (ptr->name), - Qnil))); - sys$dassgn (ptr->mbx_chan); - free (ptr); - } - else - prev = ptr; - ptr = next; - } -} - -/* Called at emacs exit. - */ - -kill_vms_processes () -{ - struct process_list * ptr; - - for (ptr = process_list; ptr; ptr = ptr->next) - if (ptr->process_active) - { - sys$dassgn (ptr->mbx_chan); - sys$delprc (&ptr->process_id, 0); - } - sys$dassgn (input_mbx_chan); - process_list = 0; - input_mbx_chan = 0; -} - -/* Creates a temporary mailbox and retrieves its device name in 'buf'. - * Makes the descriptor pointed to by 'dsc' refer to this device. - * 'buffer_factor' is used to allow sending messages asynchronously - * till some point. - */ - -static int -create_mbx (dsc, buf, chan, buffer_factor) - struct dsc$descriptor_s *dsc; - char *buf; - int *chan; - int buffer_factor; -{ - int strval[2]; - int status; - - status = sys$crembx (0, chan, MSGSIZE, MSGSIZE * buffer_factor, 0, 0, 0); - if (! (status & 1)) - { - message ("Unable to create mailbox. Need TMPMBX privilege."); - return 0; - } - strval[0] = 16; - strval[1] = buf; - status = lib$getdvi (&DVI$_DEVNAM, chan, 0, 0, strval, - &dsc->dsc$w_length); - if (! (status & 1)) - return 0; - dsc->dsc$b_dtype = DSC$K_DTYPE_T; - dsc->dsc$b_class = DSC$K_CLASS_S; - dsc->dsc$a_pointer = buf; - return 1; -} /* create_mbx */ - -/* AST routine to be called upon receiving mailbox input. - * Sets flag telling keyboard routines that input is available. - */ - -static int -mbx_input_ast () -{ - have_process_input = 1; -} - -/* Issue a QIO request on the input mailbox. - */ -static void -start_mbx_input () -{ - sys$qio (process_ef, input_mbx_chan, IO$_READVBLK, &input_iosb, - mbx_input_ast, 0, mbx_buffer, sizeof (mbx_buffer), - 0, 0, 0, 0); -} - -/* Send a message to the subprocess input mailbox, without blocking if - * possible. - */ -static void -write_to_mbx (ptr, buf, len) - struct process_list *ptr; - char *buf; - int len; -{ - sys$qiow (0, ptr->mbx_chan, IO$_WRITEVBLK | IO$M_NOW, &ptr->iosb, - 0, 0, buf, len, 0, 0, 0, 0); -} - -DEFUN ("setprv", Fsetprv, Ssetprv, 1, 3, 0, - "Set or reset a VMS privilege. First arg is privilege name.\n\ -Second arg is t or nil, indicating whether the privilege is to be\n\ -set or reset. Default is nil. Returns t if success, nil if not.\n\ -If third arg is non-nil, does not change privilege, but returns t\n\ -or nil depending upon whether the privilege is already enabled.") - (priv, value, getprv) - Lisp_Object priv, value, getprv; -{ - int prvmask[2], prvlen, newmask[2]; - char * prvname; - int found, i; - struct privilege_list * ptr; - - CHECK_STRING (priv, 0); - priv = Fupcase (priv); - prvname = XSTRING (priv)->data; - prvlen = XSTRING (priv)->size; - found = 0; - prvmask[0] = 0; - prvmask[1] = 0; - for (i = 0; i < sizeof (priv_list) / sizeof (priv_list[0]); i++) - { - ptr = &priv_list[i]; - if (prvlen == strlen (ptr->name) && - bcmp (prvname, ptr->name, prvlen) == 0) - { - if (ptr->mask >= 32) - prvmask[1] = 1 << (ptr->mask % 32); - else - prvmask[0] = 1 << ptr->mask; - found = 1; - break; - } - } - if (! found) - error ("Unknown privilege name %s", XSTRING (priv)->data); - if (NILP (getprv)) - { - if (sys$setprv (NILP (value) ? 0 : 1, prvmask, 0, 0) == SS$_NORMAL) - return Qt; - return Qnil; - } - /* Get old priv value */ - if (sys$setprv (0, 0, 0, newmask) != SS$_NORMAL) - return Qnil; - if ((newmask[0] & prvmask[0]) - || (newmask[1] & prvmask[1])) - return Qt; - return Qnil; -} - -/* Retrieves VMS system information. */ - -#ifdef VMS4_4 /* I don't know whether these functions work in old versions */ - -DEFUN ("vms-system-info", Fvms_system_info, Svms_system_info, 1, 3, 0, - "Retrieve VMS process and system information.\n\ -The first argument (a string) specifies the type of information desired.\n\ -The other arguments depend on the type you select.\n\ -For information about a process, the second argument is a process ID\n\ -or a process name, with the current process as a default.\n\ -These are the possibilities for the first arg (upper or lower case ok):\n\ - account Returns account name\n\ - cliname Returns CLI name\n\ - owner Returns owner process's PID\n\ - grp Returns group number\n\ - parent Returns parent process's PID\n\ - pid Returns process's PID\n\ - prcnam Returns process's name\n\ - terminal Returns terminal name\n\ - uic Returns UIC number\n\ - uicgrp Returns formatted [UIC,GRP]\n\ - username Returns username\n\ - version Returns VMS version\n\ - logical Translates VMS logical name (second argument)\n\ - dcl-symbol Translates DCL symbol (second argument)\n\ - proclist Returns list of all PIDs on system (needs WORLD privilege)." ) - (type, arg1, arg2) - Lisp_Object type, arg1, arg2; -{ - int i, typelen; - char * typename; - struct vms_objlist * ptr; - - CHECK_STRING (type, 0); - type = Fupcase (type); - typename = XSTRING (type)->data; - typelen = XSTRING (type)->size; - for (i = 0; i < sizeof (vms_object) / sizeof (vms_object[0]); i++) - { - ptr = &vms_object[i]; - if (typelen == strlen (ptr->name) - && bcmp (typename, ptr->name, typelen) == 0) - return (* ptr->objfn)(arg1, arg2); - } - error ("Unknown object type %s", typename); -} - -/* Given a reference to a VMS process, returns its process id. */ - -static int -translate_id (pid, owner) - Lisp_Object pid; - int owner; /* if pid is null/0, return owner. If this - * flag is 0, return self. */ -{ - int status, code, id, i, numeric, size; - char * p; - int prcnam[2]; - - if (NILP (pid) - || STRINGP (pid) && XSTRING (pid)->size == 0 - || INTEGERP (pid) && XFASTINT (pid) == 0) - { - code = owner ? JPI$_OWNER : JPI$_PID; - status = lib$getjpi (&code, 0, 0, &id); - if (! (status & 1)) - error ("Cannot find %s: %s", - owner ? "owner process" : "process id", - vmserrstr (status)); - return (id); - } - if (INTEGERP (pid)) - return (XFASTINT (pid)); - CHECK_STRING (pid, 0); - pid = Fupcase (pid); - size = XSTRING (pid)->size; - p = XSTRING (pid)->data; - numeric = 1; - id = 0; - for (i = 0; i < size; i++, p++) - if (isxdigit (*p)) - { - id *= 16; - if (*p >= '0' && *p <= '9') - id += *p - '0'; - else - id += *p - 'A' + 10; - } - else - { - numeric = 0; - break; - } - if (numeric) - return (id); - prcnam[0] = XSTRING (pid)->size; - prcnam[1] = XSTRING (pid)->data; - status = lib$getjpi (&JPI$_PID, 0, prcnam, &id); - if (! (status & 1)) - error ("Cannot find process id: %s", - vmserrstr (status)); - return (id); -} /* translate_id */ - -/* VMS object retrieval functions. */ - -static Lisp_Object -getjpi (jpicode, arg, numeric) - int jpicode; /* Type of GETJPI information */ - Lisp_Object arg; - int numeric; /* 1 if numeric value expected */ -{ - int id, status, numval; - char str[128]; - int strdsc[2] = { sizeof (str), str }; - short strlen; - - id = translate_id (arg, 0); - status = lib$getjpi (&jpicode, &id, 0, &numval, strdsc, &strlen); - if (! (status & 1)) - error ("Unable to retrieve information: %s", - vmserrstr (status)); - if (numeric) - return (make_number (numval)); - return (make_string (str, strlen)); -} - -static Lisp_Object -vms_account (arg1, arg2) - Lisp_Object arg1, arg2; -{ - return getjpi (JPI$_ACCOUNT, arg1, 0); -} - -static Lisp_Object -vms_cliname (arg1, arg2) - Lisp_Object arg1, arg2; -{ - return getjpi (JPI$_CLINAME, arg1, 0); -} - -static Lisp_Object -vms_grp (arg1, arg2) - Lisp_Object arg1, arg2; -{ - return getjpi (JPI$_GRP, arg1, 1); -} - -static Lisp_Object -vms_image (arg1, arg2) - Lisp_Object arg1, arg2; -{ - return getjpi (JPI$_IMAGNAME, arg1, 0); -} - -static Lisp_Object -vms_owner (arg1, arg2) - Lisp_Object arg1, arg2; -{ - return getjpi (JPI$_OWNER, arg1, 1); -} - -static Lisp_Object -vms_parent (arg1, arg2) - Lisp_Object arg1, arg2; -{ - return getjpi (JPI$_MASTER_PID, arg1, 1); -} - -static Lisp_Object -vms_pid (arg1, arg2) - Lisp_Object arg1, arg2; -{ - return getjpi (JPI$_PID, arg1, 1); -} - -static Lisp_Object -vms_prcnam (arg1, arg2) - Lisp_Object arg1, arg2; -{ - return getjpi (JPI$_PRCNAM, arg1, 0); -} - -static Lisp_Object -vms_terminal (arg1, arg2) - Lisp_Object arg1, arg2; -{ - return getjpi (JPI$_TERMINAL, arg1, 0); -} - -static Lisp_Object -vms_uic_int (arg1, arg2) - Lisp_Object arg1, arg2; -{ - return getjpi (JPI$_UIC, arg1, 1); -} - -static Lisp_Object -vms_uic_str (arg1, arg2) - Lisp_Object arg1, arg2; -{ - return getjpi (JPI$_UIC, arg1, 0); -} - -static Lisp_Object -vms_username (arg1, arg2) - Lisp_Object arg1, arg2; -{ - return getjpi (JPI$_USERNAME, arg1, 0); -} - -static Lisp_Object -vms_version_fn (arg1, arg2) - Lisp_Object arg1, arg2; -{ - char str[40]; - int status; - int strdsc[2] = { sizeof (str), str }; - short strlen; - - status = lib$getsyi (&SYI$_VERSION, 0, strdsc, &strlen, 0, 0); - if (! (status & 1)) - error ("Unable to obtain version: %s", vmserrstr (status)); - return (make_string (str, strlen)); -} - -static Lisp_Object -vms_trnlog (arg1, arg2) - Lisp_Object arg1, arg2; -{ - char str[256]; /* Max logical translation is 255 bytes. */ - int status, symdsc[2]; - int strdsc[2] = { sizeof (str), str }; - short length, level; - - CHECK_STRING (arg1, 0); - symdsc[0] = XSTRING (arg1)->size; - symdsc[1] = XSTRING (arg1)->data; - status = lib$sys_trnlog (symdsc, &length, strdsc); - if (! (status & 1)) - error ("Unable to translate logical name: %s", vmserrstr (status)); - if (status == SS$_NOTRAN) - return (Qnil); - return (make_string (str, length)); -} - -static Lisp_Object -vms_symbol (arg1, arg2) - Lisp_Object arg1, arg2; -{ - char str[1025]; /* Max symbol translation is 1024 bytes. */ - int status, symdsc[2]; - int strdsc[2] = { sizeof (str), str }; - short length, level; - - CHECK_STRING (arg1, 0); - symdsc[0] = XSTRING (arg1)->size; - symdsc[1] = XSTRING (arg1)->data; - status = lib$get_symbol (symdsc, strdsc, &length, &level); - if (! (status & 1)) { - if (status == LIB$_NOSUCHSYM) - return (Qnil); - else - error ("Unable to translate symbol: %s", vmserrstr (status)); - } - return (make_string (str, length)); -} - -static Lisp_Object -vms_proclist (arg1, arg2) - Lisp_Object arg1, arg2; -{ - Lisp_Object retval; - int id, status, pid; - - retval = Qnil; - pid = -1; - for (;;) - { - status = lib$getjpi (&JPI$_PID, &pid, 0, &id); - if (status == SS$_NOMOREPROC) - break; - if (! (status & 1)) - error ("Unable to get process ID: %s", vmserrstr (status)); - retval = Fcons (make_number (id), retval); - } - return (Fsort (retval, intern ("<"))); -} - -DEFUN ("shrink-to-icon", Fshrink_to_icon, Sshrink_to_icon, 0, 0, 0, - "If emacs is running in a workstation window, shrink to an icon.") - () -{ - static char result[128]; - static $DESCRIPTOR (result_descriptor, result); - static $DESCRIPTOR (tt_name, "TT:"); - static int chan = 0; - static int buf = 0x9d + ('2'<<8) + ('2'<<16) + (0x9c<<24); - int status; - static int temp = JPI$_TERMINAL; - - status = lib$getjpi (&temp, 0, 0, 0, &result_descriptor, 0); - if (status != SS$_NORMAL) - error ("Unable to determine terminal type."); - if (result[0] != 'W' || result[1] != 'T') /* see if workstation */ - error ("Can't shrink-to-icon on a non workstation terminal"); - if (!chan) /* assign channel if not assigned */ - if ((status = sys$assign (&tt_name, &chan, 0, 0)) != SS$_NORMAL) - error ("Can't assign terminal, %d", status); - status = sys$qiow (0, chan, IO$_WRITEVBLK+IO$M_BREAKTHRU, 0, 0, 0, - &buf, 4, 0, 0, 0, 0); - if (status != SS$_NORMAL) - error ("Can't shrink-to-icon, %d", status); -} - -#endif /* VMS4_4 */ - -init_vmsfns () -{ - process_list = 0; - input_mbx_chan = 0; -} - -syms_of_vmsfns () -{ - defsubr (&Sdefault_subproc_input_handler); - defsubr (&Sspawn_subprocess); - defsubr (&Ssend_command_to_subprocess); - defsubr (&Sstop_subprocess); - defsubr (&Ssetprv); -#ifdef VMS4_4 - defsubr (&Svms_system_info); - defsubr (&Sshrink_to_icon); -#endif /* VMS4_4 */ - Qdefault_subproc_input_handler = intern ("default-subprocess-input-handler"); - staticpro (&Qdefault_subproc_input_handler); -} -#endif /* VMS */ - |