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-rw-r--r--src/sman/sman.cc794
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diff --git a/src/sman/sman.cc b/src/sman/sman.cc
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+/*
+ Copyright (c) 1991-2002, The Numerical Algorithms Group Ltd.
+ All rights reserved.
+ Copyright (C) 2007-2014, Gabriel Dos Reis.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are
+ met:
+
+ - Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ - Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+
+ - Neither the name of The Numerical Algorithms Group Ltd. nor the
+ names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <pwd.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <errno.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <locale.h>
+
+#include "open-axiom.h"
+#include "sockio.h"
+#include "com.h"
+#include "bsdsignal.h"
+#include "sman.h"
+
+#include "sockio.h"
+#include "openpty.h"
+#include "cfuns.h"
+
+using namespace OpenAxiom;
+
+static void process_arguments(Command*, int, char**);
+static int in_X(void);
+static void set_up_defaults(void);
+static void process_options(Command*, int, char**);
+static void death_handler(int);
+static void sman_catch_signals(void);
+static void fix_env(int);
+static void init_term_io(void);
+static const char* strPrefix(const char* , const char*);
+static void check_spad_proc(const char* , const char*);
+static void clean_up_old_sockets(void);
+static SpadProcess* fork_you(int);
+static void exec_command_env(const char*);
+static SpadProcess* spawn_of_hell(const char* , int);
+static void start_the_spadclient(void);
+static void start_the_local_spadclient(void);
+static void start_the_session_manager(void);
+static void start_the_hypertex(Command*);
+static void start_the_graphics(Command*);
+static void fork_Axiom(Command*);
+static void start_the_Axiom(Command*);
+static void clean_up_sockets(void);
+static void clean_hypertex_socket(void);
+static void read_from_spad_io(int);
+static void read_from_manager(int);
+static void manage_spad_io(int);
+static SpadProcess* find_child(int);
+static void kill_all_children(void);
+static void monitor_children(void);
+
+/* System defined pointer to array or environment variables. */
+extern char** environ;
+
+int start_clef; /* start clef under spad */
+int start_graphics; /* start the viewman */
+int start_ht; /* start hypertex */
+int start_spadclient; /* Start the client spad buffer */
+int start_local_spadclient; /* Start the client spad buffer */
+int use_X; /* Use the X windows environment */
+int server_num; /* OpenAxiom server number */
+
+/************************************************/
+/* definitions of programs which sman can start */
+/************************************************/
+
+const char *GraphicsProgram = "/lib/viewman";
+const char *HypertexProgram = "/lib/hypertex";
+const char *ClefProgram = "$AXIOM/bin/clef -f $AXIOM/lib/command.list -e ";
+const char *SessionManagerProgram = "$AXIOM/lib/session";
+const char *SpadClientProgram = "$AXIOM/lib/spadclient";
+char *PasteFile = NULL;
+char *MakeRecordFile = NULL;
+char *VerifyRecordFile = NULL;
+
+SpadProcess *spad_process_list = NULL;
+/***************************/
+/* sman defaults file name */
+/***************************/
+
+#define SpadDefaultFile "spadprof.input"
+
+char ClefCommandLine[256];
+
+#define BufSize 4096 /* size of communication buffer */
+char big_bad_buf[BufSize]; /* big I/O buffer */
+
+openaxiom_sio* session_io = NULL; /* socket connecting to session manager */
+
+/***********************************************************/
+/* Some characters used and externally defined in edible.h */
+/***********************************************************/
+
+unsigned char _INTR, _QUIT, _ERASE, _KILL, _EOF, _EOL, _RES1, _RES2;
+
+/*************************************/
+/* Stuff for opening pseudo-terminal */
+/*************************************/
+
+int ptsNum, ptcNum;
+char ptsPath[20];
+
+int child_pid; /* child's process id */
+struct termios oldbuf; /* the original settings */
+struct termios childbuf; /* terminal structure for user i/o */
+
+
+int death_signal = 0;
+
+static void
+process_arguments(Command* command, int argc,char ** argv)
+{
+ int arg;
+ int other = 0;
+ for (arg = 1; arg < argc; arg++) {
+ if (strcmp(argv[arg], "-noclef") == 0)
+ start_clef = 0;
+ else if (strcmp(argv[arg], "-clef") == 0)
+ start_clef = 1;
+ else if (strcmp(argv[arg], "-gr") == 0
+ || strcmp(argv[arg], "--graph") == 0 ) {
+ if (!OPENAXIOM_HAVE_GRAPHICS)
+ fprintf(stderr, "OpenAxiom was not build with Graphics support.\n");
+ else
+ start_graphics = 1;
+ }
+ else if (strcmp(argv[arg], "-nogr") == 0
+ || strcmp(argv[arg], "--no-graph") == 0)
+ start_graphics = 0;
+ else if (strcmp(argv[arg], "-ht") == 0
+ || strcmp(argv[arg], "--hyperdoc") == 0) {
+ if (!OPENAXIOM_HAVE_GRAPHICS)
+ fprintf(stderr, "OpenAxiom was not build with HyperDoc support.\n");
+ else
+ start_ht = 1;
+ }
+ else if (strcmp(argv[arg], "-noht") == 0
+ || strcmp(argv[arg], "--no-hyperdoc") == 0)
+ start_ht = 0;
+ else if (strcmp(argv[arg], "-iw") == 0)
+ start_spadclient = 1;
+ else if (strcmp(argv[arg], "-ihere") == 0)
+ start_local_spadclient = 1;
+ else if (strcmp(argv[arg], "-noihere") == 0)
+ start_local_spadclient = 0;
+ else if (strcmp(argv[arg], "-noiw") == 0)
+ start_spadclient = 0;
+ else if (strcmp(argv[arg], "-nox") == 0
+ || strcmp(argv[arg], "--no-gui") == 0) {
+ use_X = 0;
+ start_local_spadclient = 1;
+ start_spadclient = 0;
+ start_ht = 0;
+ start_graphics = 0;
+ }
+ else if (strcmp(argv[arg], "-clefprog") == 0) {
+ strcpy(ClefCommandLine,argv[++arg]);
+ ClefProgram =
+ strcat(ClefCommandLine, " -f $AXIOM/lib/command.list -e ");
+ }
+ else if (strcmp(argv[arg], "-rm") == 0)
+ MakeRecordFile = argv[++arg];
+ else if (strcmp(argv[arg], "-rv") == 0)
+ VerifyRecordFile = argv[++arg];
+ else if (strcmp(argv[arg], "-paste") == 0)
+ PasteFile = argv[++arg];
+ else
+ argv[other++] = argv[arg];
+ }
+
+ command->core.argv = argv;
+ command->core.argc = other;
+
+/* If there were no X libraries
+ * at build-time, we proceed to
+ * overwrite the defaults startup
+ * values to not start any of the
+ * graphical components of
+ * OpenAxiom (Hyperdoc, Graphics). */
+
+ if (!OPENAXIOM_HAVE_GRAPHICS) {
+ use_X = 0;
+ start_local_spadclient = 1;
+ start_ht = 0;
+ start_graphics = 0;
+ }
+}
+
+static int
+in_X(void)
+{
+ if (oa_getenv("DISPLAY")) return 1;
+ return 0;
+}
+
+static void
+set_up_defaults(void)
+{
+ start_clef = 1;
+ start_graphics = 1;
+ start_ht = 1;
+ start_spadclient = 0;
+ start_local_spadclient = 1;
+ use_X = isatty(0) && in_X();
+}
+
+static void
+process_options(Command* command, int argc, char **argv)
+{
+ set_up_defaults();
+ process_arguments(command, argc, argv);
+ /* Complain about command line arguments unknown to Superman. */
+ if (command->core.argc > 0) {
+ int i;
+ for (i = 0; i < command->core.argc; ++i)
+ fprintf(stderr,"command line error: %s\n", command->core.argv[i]);
+ exit(-1);
+ }
+}
+
+static void
+death_handler(int sig)
+{
+ death_signal = 1;
+}
+
+static void
+sman_catch_signals(void)
+{
+
+ /* Set up the signal handlers for sman */
+ bsdSignal(SIGINT, SIG_IGN,RestartSystemCalls);
+ bsdSignal(SIGTERM, death_handler,RestartSystemCalls);
+ bsdSignal(SIGQUIT, death_handler,RestartSystemCalls);
+ bsdSignal(SIGHUP, death_handler,RestartSystemCalls);
+ bsdSignal(SIGILL, death_handler,RestartSystemCalls);
+ bsdSignal(SIGTRAP, death_handler,RestartSystemCalls);
+
+#ifdef SIGABRT
+ bsdSignal(SIGABRT, death_handler,RestartSystemCalls);
+#else
+ #ifdef SIGIOT
+ bsdSignal(SIGIOT, death_handler,RestartSystemCalls);
+ #endif
+#endif
+
+ bsdSignal(SIGBUS, death_handler,RestartSystemCalls);
+ bsdSignal(SIGSEGV, death_handler,RestartSystemCalls);
+
+}
+
+static void
+fix_env(int spadnum)
+{
+ char sn[20];
+ sprintf(sn, "%d", spadnum);
+ oa_setenv("SPADNUM", sn);
+ oa_setenv("SPADSERVER", "TRUE");
+}
+
+static void
+init_term_io(void)
+{
+ if(!isatty(0)) return;
+ if( tcgetattr(0, &oldbuf) == -1) {
+ perror("getting termios");
+ return ; /* exit(-1); */
+ }
+ if( tcgetattr(0, &childbuf) == -1) {
+ perror("getting termios");
+ return ; /* exit(-1); */
+ }
+ _INTR = oldbuf.c_cc[VINTR];
+ _QUIT = oldbuf.c_cc[VQUIT];
+ _ERASE = oldbuf.c_cc[VERASE];
+ _KILL = oldbuf.c_cc[VKILL];
+ _EOF = oldbuf.c_cc[VEOF];
+ _EOL = oldbuf.c_cc[VEOL];
+}
+
+static const char*
+strPrefix(const char* prefix, const char* s)
+{
+ while (*prefix != '\0' && *prefix == *s) {
+ prefix++;
+ s++;
+ }
+ if (*prefix == '\0') return s;
+ return NULL;
+}
+
+static void
+check_spad_proc(const char *file, const char *prefix)
+{
+ const char *num;
+ int pid;
+ if ((num = strPrefix(prefix, file))) {
+ pid = atoi(num);
+ if (pid > 2) {
+ kill(pid, 0);
+ if (kill(pid, 0) == -1 && errno == ESRCH) {
+ unlink(file);
+ }
+ }
+ }
+}
+
+static void
+clean_up_old_sockets(void)
+{
+ char com[512], tmp_file[128];
+ FILE *file;
+ int len;
+ sprintf(tmp_file, "/tmp/socks.%d", server_num);
+ sprintf(com, "ls /tmp/.d* /tmp/.s* /tmp/.i* /tmp/.h* 2> %s > %s",
+ tmp_file, tmp_file);
+ system(com);
+ file = fopen(tmp_file, "r");
+ if (file == NULL) {
+ fprintf(stderr, "Can't open socket listing file\n");
+ return;
+ }
+ while(fgets(com, 512, file) != NULL) {
+ len = strlen(com);
+ if (len) com[len-1] = '\0';
+ else break;
+ check_spad_proc(com, "/tmp/.d");
+ check_spad_proc(com, "/tmp/.s");
+ check_spad_proc(com, "/tmp/.i");
+ check_spad_proc(com, "/tmp/.h");
+ }
+ fclose(file);
+ unlink(tmp_file);
+}
+
+static SpadProcess *
+fork_you(int death_action)
+{
+ /* fork a new process, giving it a default death action */
+ /* return NULL in child, SpadProcess in parent */
+ int child_pid = fork();
+ SpadProcess *proc;
+ if (!child_pid) return NULL;
+ proc = (SpadProcess *) malloc(sizeof(SpadProcess));
+ proc->proc_id = child_pid;
+ proc->death_action = death_action;
+ proc->command = NULL;
+ proc->next = spad_process_list;
+ spad_process_list = proc;
+ return proc;
+}
+
+static void
+exec_command_env(const char *command)
+{
+ char new_command[512];
+ sprintf(new_command, "exec %s", command);
+ execle("/bin/sh","/bin/sh", "-c", new_command, (char*)NULL, environ);
+}
+
+static SpadProcess *
+spawn_of_hell(const char *command, int death_action)
+{
+ SpadProcess *proc = fork_you(death_action);
+ if (proc != NULL) {
+ proc->command = command;
+ return proc;
+ }
+ exec_command_env(command);
+ return NULL;
+}
+
+static void
+start_the_spadclient(void)
+{
+ char command[256];
+ if (start_clef)
+ sprintf(command,
+ "xterm -sb -sl 500 -name axiomclient -n OpenAxiom -T OpenAxiom -e %s %s",
+ ClefProgram, SpadClientProgram);
+ else
+ sprintf(command,
+ "xterm -sb -sl 500 -name axiomclient -n OpenAxiom -T OpenAxiom -e %s",
+ SpadClientProgram);
+ spawn_of_hell(command, NadaDelShitsky);
+}
+
+static void
+start_the_local_spadclient(void)
+{
+ char command[256];
+ if (start_clef)
+ sprintf(command, "%s %s", ClefProgram, SpadClientProgram);
+ else
+ sprintf(command, "%s", SpadClientProgram);
+ spawn_of_hell(command, NadaDelShitsky);
+}
+
+static void
+start_the_session_manager(void)
+{
+ spawn_of_hell(SessionManagerProgram, Die);
+}
+
+static void
+start_the_hypertex(Command* cmd)
+{
+ const char* root_dir = cmd->root_dir;
+ const char* command = oa_concatenate_string(root_dir,HypertexProgram);
+
+ if (readablep(command) != 1) {
+ fprintf(stderr, "Hypertex program not found.\n");
+ return;
+ }
+ if (PasteFile){
+ command = oa_concatenate_string(command, " -s -k -ip ");
+ command = oa_concatenate_string(command, PasteFile);
+ spawn_of_hell(command, NadaDelShitsky);
+ }
+ else if (MakeRecordFile){
+ command = oa_concatenate_string(command, " -s -k -rm ");
+ command = oa_concatenate_string(command, MakeRecordFile);
+ spawn_of_hell(command, NadaDelShitsky);
+ }
+ else if (VerifyRecordFile){
+ command = oa_concatenate_string(command, " -s -k -rv ");
+ command = oa_concatenate_string(command, VerifyRecordFile);
+ spawn_of_hell(command, NadaDelShitsky);
+ }
+ else
+ spawn_of_hell(command, CleanHypertexSocket);
+}
+
+static void
+start_the_graphics(Command* cmd)
+{
+ const char* root_dir = cmd -> root_dir;
+ const char* command = oa_concatenate_string(root_dir,GraphicsProgram);
+
+ if (readablep(command) == 1)
+ spawn_of_hell(command, DoItAgain);
+ else
+ fprintf(stderr, "Graphics program not found.\n");
+}
+
+/* Start the core executable session in a separate process, */
+/* using a pseudo-terminal to catch all input and output */
+static void
+fork_Axiom(Command* cmd)
+{
+ SpadProcess *proc;
+
+ proc = fork_you(Die);
+ child_pid = (proc == NULL ? 0 : proc->proc_id);
+ switch(child_pid) {
+ case -1 :
+ fprintf(stderr, "Can't create a new process \n");
+ exit(0);
+ case 0:
+ /* Dissasociate from my parents group so all my child processes */
+ /* look at my terminal as the controlling terminal for the */
+ /* group */
+
+ if(setsid() < 0) {
+ perror("Dissassociating from parents group");
+ exit(-1);
+ }
+
+ close(ptsNum);
+ /* Now reopen the server side, so that pg, su, etc. work properly */
+
+ if ((ptsNum = open(ptsPath, O_RDWR)) < 0 ) {
+ perror("fork_Axiom: Failed to reopen server");
+ exit(-1);
+ }
+#if defined(SUN4OS5platform) || defined(HP10platform)
+ ioctl(ptsNum,I_PUSH,"ptem");
+ ioctl(ptsNum,I_PUSH,"ldterm");
+#endif
+
+ /* since I am the child, I can close ptc, and dup pts for all its */
+ /* standard descriptors */
+
+ if( (dup2(ptsNum, 0) == -1) ||
+ (dup2(ptsNum, 1) == -1) ||
+ (dup2(ptsNum, 2) == -1) ) {
+ perror("trying to dupe the child");
+ exit(-1);
+ }
+ close(ptcNum);
+ close(ptsNum);
+
+
+ /* I also have to turn off echoing, since I am echoing all the */
+ /* input myself */
+
+ childbuf.c_lflag &= ~ECHO;
+ if( tcsetattr(0, TCSAFLUSH, &childbuf) == -1) {
+ perror("setting the term buffer");
+ exit(-1);
+ }
+
+ /* Tell the Core that it is being invoked in server mode. */
+ oa_allocate_process_argv(&cmd->core, 2);
+ cmd->core.argv[0] = (char*) make_path_for(cmd->root_dir, Driver::core);
+ cmd->core.argv[1] = (char*) "--role=server";
+ execute_core(cmd, Driver::core);
+ }
+}
+
+static void
+start_the_Axiom(Command* cmd)
+{
+ server_num = make_server_number();
+ clean_up_old_sockets();
+ if (server_num == -1) {
+ fprintf(stderr, "could not get an OpenAxiom server number\n");
+ exit(-1);
+ }
+ if (ptyopen(&ptcNum, &ptsNum, ptsPath) == -1) {
+ perror("start_the_Axiom: ptyopen failed");
+ exit(-1);
+ }
+ fix_env(server_num);
+ fork_Axiom(cmd);
+ close(ptsNum);
+}
+
+static void
+clean_hypertex_socket(void)
+{
+ char name[256];
+ sprintf(name, "%s%d", MenuServerName, server_num);
+ unlink(name);
+}
+
+static void
+clean_up_sockets(void)
+{
+ char name[256];
+ sprintf(name, "%s%d", SpadServer, server_num);
+ unlink(name);
+ sprintf(name, "%s%d", SessionServer, server_num);
+ unlink(name);
+ sprintf(name, "%s%d", SessionIOName, server_num);
+ unlink(name);
+ clean_hypertex_socket();
+}
+
+static void
+read_from_spad_io(int ptcNum)
+{
+ int ret_code = 0, i=0;
+ static int mes_len =0;
+ ret_code = read(ptcNum, big_bad_buf, BufSize);
+ if (ret_code == -1) {
+ clean_up_sockets();
+ exit(-1);
+ }
+ if (session_io == NULL) {
+ if (ret_code < mes_len)
+ mes_len -= ret_code;
+ else {
+ if (mes_len > 0) {
+ i = mes_len;
+ mes_len = 0;
+ }
+ else
+ i = 0;
+ ret_code = write(1, big_bad_buf+i, ret_code-i);
+ }
+ }
+ else
+ ret_code = swrite(session_io, byte_address(big_bad_buf), ret_code,
+ "writing to session man");
+ if (ret_code == -1) {
+ perror("writing output to session manager");
+ clean_up_sockets();
+ exit(-1);
+ }
+}
+
+static void
+read_from_manager(int ptcNum)
+{
+ int ret_code;
+ ret_code = sread(session_io, byte_address(big_bad_buf), BufSize,
+ "reading session io");
+ if (ret_code == -1) {
+ return;
+ }
+ ret_code = write(ptcNum, big_bad_buf, ret_code);
+ if (ret_code == -1) {
+ return;
+ }
+}
+
+static void
+manage_spad_io(int ptcNum)
+{
+ int ret_code, p;
+ fd_set rd;
+ while (1) {
+ rd = socket_mask;
+ FD_SET(ptcNum, &rd);
+ if (session_io != NULL)
+ FD_SET(session_io->socket, &rd);
+ ret_code = sselect(FD_SETSIZE, &rd, 0, 0, NULL);
+ if (ret_code == -1) {
+ perror("Session manager select");
+ clean_up_sockets();
+ exit(-1);
+ }
+ if (FD_ISSET(ptcNum, &rd)) {
+ read_from_spad_io(ptcNum);
+ }
+ if (server.socket > 0 && FD_ISSET(server.socket, &rd)) {
+ p = accept_connection();
+ switch(p) {
+ case SessionIO:
+ session_io = purpose_table[SessionIO];
+ /* printf("connected session manager\n\r");*/
+ printf("\n");
+ break;
+ default:
+ printf("sman: Unknown connection request type: %d\n", p);
+ break;
+ }
+ }
+ if (session_io != NULL && FD_ISSET(session_io->socket, &rd)) {
+ read_from_manager(ptcNum);
+ }
+ }
+}
+
+#if 0
+static void
+print_spad_process_list()
+{
+ SpadProcess *proc;
+ for(proc = spad_process_list; proc != NULL; proc = proc->next)
+ fprintf(stderr, "proc_id = %d, death_action = %d\n", proc->proc_id,
+ proc->death_action);
+}
+#endif
+
+static SpadProcess *
+find_child(int proc_id)
+{
+ SpadProcess *proc;
+ for(proc = spad_process_list; proc != NULL; proc = proc->next)
+ if (proc->proc_id == proc_id) return proc;
+ return NULL;
+}
+
+static void
+kill_all_children(void)
+{
+ char name[256];
+ SpadProcess *proc;
+
+
+ for(proc = spad_process_list; proc != NULL; proc = proc->next) {
+ kill(proc->proc_id, SIGTERM);
+ }
+ sprintf(name, "/tmp/hyper%d.input",server_num);
+ unlink(name);
+
+}
+
+static void
+monitor_children(void)
+{
+ int dead_baby, stat;
+ SpadProcess *proc;
+ while (1) {
+ stat = 0;
+ dead_baby = wait(&stat);
+ /* Check the value of dead_baby, since wait may have returned
+ a pid but subsequently we have received a signal. Yeuch! */
+ if (dead_baby == -1 && death_signal) {
+ kill_all_children();
+ clean_up_sockets();
+ openaxiom_sleep(2);
+ exit(0);
+ }
+
+ if (dead_baby == -1) {
+ fprintf(stderr, "sman: wait returned -1\n");
+ continue;
+ }
+ proc = find_child(dead_baby);
+ if (proc == NULL) {
+ /* fprintf(stderr, "sman: %d is not known to be a child process\n",
+ dead_baby);
+ */
+ continue;
+ }
+ switch(proc->death_action) {
+ case Die:
+ kill_all_children();
+ clean_up_sockets();
+ openaxiom_sleep(2);
+ exit(0);
+ case NadaDelShitsky:
+ break;
+ case DoItAgain:
+ spawn_of_hell(proc->command, DoItAgain);
+ break;
+ case CleanHypertexSocket:
+ clean_hypertex_socket();
+ break;
+ }
+ }
+}
+
+int
+main(int argc, char *argv[])
+{
+ Command command;
+ command.root_dir = get_systemdir(argc, argv);
+ process_options(&command, argc, argv);
+
+ oa_setenv("LC_ALL", "C");
+ setlocale(LC_ALL, "");
+ bsdSignal(SIGINT, SIG_IGN,RestartSystemCalls);
+ init_term_io();
+ spad_process_list = NULL;
+ start_the_Axiom(&command);
+ if (open_server(SessionIOName) == -2) {
+ fprintf(stderr, "Fatal error opening I/O socket\n");
+ clean_up_sockets();
+ exit(-1);
+ }
+ start_the_session_manager();
+ if (start_spadclient)
+ start_the_spadclient();
+ if (start_local_spadclient)
+ start_the_local_spadclient();
+ if (start_ht and in_X())
+ start_the_hypertex(&command);
+ if (start_graphics and in_X())
+ start_the_graphics(&command);
+ openaxiom_sleep(1);
+
+ if (fork_you(Die) != NULL) {
+ sman_catch_signals();
+ monitor_children();
+ exit(0);
+ }
+ manage_spad_io(ptcNum);
+ return(0);
+}
+
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 09:19:02 +0000