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Diff for /OpenXM/src/kan96xx/Kan/ext.c between version 1.4 and 1.5

version 1.4, 2000/03/09 12:04:52 version 1.5, 2001/05/04 01:06:23
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 /* $OpenXM: OpenXM/src/kan96xx/Kan/ext.c,v 1.3 2000/02/24 12:33:47 takayama Exp $ */  /* $OpenXM: OpenXM/src/kan96xx/Kan/ext.c,v 1.4 2000/03/09 12:04:52 takayama Exp $ */
 #include <stdio.h>  #include <stdio.h>
 #include <sys/types.h>  #include <sys/types.h>
 #include <sys/stat.h>  #include <sys/stat.h>
Line 26  static void mywait() {
Line 26  static void mywait() {
   for (i=0; i<Mycp; i++) {    for (i=0; i<Mycp; i++) {
     if (Mychildren[i]  == pid) {      if (Mychildren[i]  == pid) {
       for (j=i; j<Mycp-1; j++) {        for (j=i; j<Mycp-1; j++) {
         Mychildren[j] = Mychildren[j+1];          Mychildren[j] = Mychildren[j+1];
       }        }
       if (Mycp > 0) Mycp--;        if (Mycp > 0) Mycp--;
     }      }
Line 133  struct object Kextension(struct object obj)
Line 133  struct object Kextension(struct object obj)
     if (!( m == 0 || m == PROTECT || m == ABSOLUTE_PROTECT))      if (!( m == 0 || m == PROTECT || m == ABSOLUTE_PROTECT))
       errorKan1("%s\n","The number must be 0, 1 or 2.");        errorKan1("%s\n","The number must be 0, 1 or 2.");
     putUserDictionary2((char *)NULL,0,0,m | SET_ATTR_FOR_ALL_WORDS,      putUserDictionary2((char *)NULL,0,0,m | SET_ATTR_FOR_ALL_WORDS,
                        CurrentContextp->userDictionary);                         CurrentContextp->userDictionary);
   }else if (strcmp(key,"keywords")==0) {    }else if (strcmp(key,"keywords")==0) {
     if (size != 1) errorKan1("%s\n","[(keywords)] extension.");      if (size != 1) errorKan1("%s\n","[(keywords)] extension.");
     rob = showSystemDictionary(1);      rob = showSystemDictionary(1);
     /*  }else if (strcmp(key,"fork0")==0) {      /*  }else if (strcmp(key,"fork0")==0) {
         if (size != 2) errorKan1("%s\n","[(fork0) sss] extension.");          if (size != 2) errorKan1("%s\n","[(fork0) sss] extension.");
         m = fork();          m = fork();
         if (m>0) { rob = KpoInteger(m); }          if (m>0) { rob = KpoInteger(m); }
         else {          else {
           system(KopString(getoa(obj,1))); exit(0);          system(KopString(getoa(obj,1))); exit(0);
         } */          } */
     }else if (strcmp(key,"defaultPolyRing")==0) {    }else if (strcmp(key,"defaultPolyRing")==0) {
       if (size != 2) errorKan1("%s\n","[(defaultPolyRing) n] extension.");      if (size != 2) errorKan1("%s\n","[(defaultPolyRing) n] extension.");
       rob = KdefaultPolyRing(getoa(obj,1));      rob = KdefaultPolyRing(getoa(obj,1));
     }else if (strcmp(key,"getenv")==0) {    }else if (strcmp(key,"getenv")==0) {
       if (size != 2) errorKan1("%s\n","[(getenv) envstr] extension.");      if (size != 2) errorKan1("%s\n","[(getenv) envstr] extension.");
       obj1 = getoa(obj,1);      obj1 = getoa(obj,1);
       if (obj1.tag != Sdollar) errorKan1("%s\n","[(getenv) envstr] extension");      if (obj1.tag != Sdollar) errorKan1("%s\n","[(getenv) envstr] extension");
       abc = getenv(KopString(obj1));      abc = getenv(KopString(obj1));
       if (abc == NULL) {      if (abc == NULL) {
         rob = NullObject;        rob = NullObject;
       }else{      }else{
         abc2 = (char *)sGC_malloc(sizeof(char)*(strlen(abc)+2));        abc2 = (char *)sGC_malloc(sizeof(char)*(strlen(abc)+2));
         strcpy(abc2,abc);        strcpy(abc2,abc);
         rob = KpoString(abc2);        rob = KpoString(abc2);
       }
     }else if (strcmp(key,"stat")==0) {
       if (size != 2) errorKan1("%s\n","[(stat) fname] extension.");
       obj1 = getoa(obj,1);
       if (obj1.tag != Sdollar) errorKan1("%s\n","[(stat) fname] extension ; string fname.");
       m = stat(KopString(obj1),&buf);
       rob = newObjectArray(2);
       if (m == -1) {
         /* fail */
         obj2 = NullObject;
         putoa(rob,0,obj2);
         obj3 = newObjectArray(2);
         putoa(obj3,0,KpoString("error no"));
         putoa(obj3,1,KpoInteger(errno));
         putoa(rob,1,obj3);
       }else{
         /* success */
         putoa(rob,0,KpoInteger(0));
         obj3 = newObjectArray(1);
         putoa(obj3,0,KpoInteger((int) buf.st_size));
         putoa(rob,1,obj3); /* We have not yet read buf fully */
       }
     }else if (strcmp(key,"forkExec")==0) {
       if (size != 4) errorKan1("%s\n","[(forkExec) argList fdList sigblock] extension.");
       obj1 = getoa(obj,1);
       if (obj1.tag != Sarray) errorKan1("%s\n","[(forkExec) argList fdList sigblock] extension. array argList.");
       obj2 = getoa(obj,2);
       if (obj2.tag != Sarray) errorKan1("%s\n","[(forkExec) argList fdList sigblock] extension. array fdList.");
       obj3 = getoa(obj,3);
       if (obj3.tag != Sinteger) errorKan1("%s\n","[(forkExec) argList fdList sigblock] extension. integer sigblock.");
       m = KopInteger(obj3);  /* m == 1 : block ctrl-C. */
       argListc = getoaSize(obj1);
       fdListc =  getoaSize(obj2);
       if ((m = fork()) > 0) {
         /* parent */
         signal(SIGCHLD,mywait); /* to kill Zombie */
         Mychildren[Mycp++] = m;
         if (Mycp >= MYCP_SIZE-1) {
           errorKan1("%s\n","Child process table is full.\n");
           Mycp = 0;
       }        }
     }else if (strcmp(key,"stat")==0) {        rob = KpoInteger(m);
       if (size != 2) errorKan1("%s\n","[(stat) fname] extension.");        /* Done */
       obj1 = getoa(obj,1);      }else{
       if (obj1.tag != Sdollar) errorKan1("%s\n","[(stat) fname] extension ; string fname.");        /* Child */
       m = stat(KopString(obj1),&buf);        for (i=0; i<fdListc; i++) {
       rob = newObjectArray(2);          /* close the specified files */
       if (m == -1) {          close(KopInteger(getoa(obj2,i)));
         /* fail */  
         obj2 = NullObject;  
         putoa(rob,0,obj2);  
         obj3 = newObjectArray(2);  
         putoa(obj3,0,KpoString("error no"));  
         putoa(obj3,1,KpoInteger(errno));  
         putoa(rob,1,obj3);  
       }else{  
         /* success */  
         putoa(rob,0,KpoInteger(0));  
     obj3 = newObjectArray(1);  
         putoa(obj3,0,KpoInteger((int) buf.st_size));  
         putoa(rob,1,obj3); /* We have not yet read buf fully */  
       }        }
     }else if (strcmp(key,"forkExec")==0) {        /* execl */
       if (size != 4) errorKan1("%s\n","[(forkExec) argList fdList sigblock] extension.");        if (m == 1) {
       obj1 = getoa(obj,1);          {
       if (obj1.tag != Sarray) errorKan1("%s\n","[(forkExec) argList fdList sigblock] extension. array argList.");            sigset_t sss;
       obj2 = getoa(obj,2);            sigemptyset(&sss);
       if (obj2.tag != Sarray) errorKan1("%s\n","[(forkExec) argList fdList sigblock] extension. array fdList.");            sigaddset(&sss,SIGINT);
       obj3 = getoa(obj,3);            sigprocmask(SIG_BLOCK,&sss,NULL);
       if (obj3.tag != Sinteger) errorKan1("%s\n","[(forkExec) argList fdList sigblock] extension. integer sigblock.");          }
       m = KopInteger(obj3);  /* m == 1 : block ctrl-C. */  
       argListc = getoaSize(obj1);  
       fdListc =  getoaSize(obj2);  
       if ((m = fork()) > 0) {  
         /* parent */  
         signal(SIGCHLD,mywait); /* to kill Zombie */  
         Mychildren[Mycp++] = m;  
         if (Mycp >= MYCP_SIZE-1) {  
           errorKan1("%s\n","Child process table is full.\n");  
           Mycp = 0;  
         }  
         rob = KpoInteger(m);  
         /* Done */  
       }else{  
         /* Child */  
         for (i=0; i<fdListc; i++) {  
           /* close the specified files */  
           close(KopInteger(getoa(obj2,i)));  
         }  
         /* execl */  
         if (m == 1) {  
           {  
             sigset_t sss;  
             sigemptyset(&sss);  
             sigaddset(&sss,SIGINT);  
             sigprocmask(SIG_BLOCK,&sss,NULL);  
           }  
         }  
         argv = (char **) sGC_malloc(sizeof(char *)*(argListc+1));  
         if (argv == NULL) {  
           fprintf(stderr," no more momory. forkExec --- exiting.\n");  
           _exit(10);  
         }  
         for (i=0; i<argListc; i++) {  
           argv[i] = KopString(getoa(obj1,i));  
           argv[i+1] = NULL;  
         }  
         execv(argv[0],argv);  
         /* This place will never be reached unless execv fails. */  
         fprintf(stderr,"forkExec fails: ");  
         for (i=0; i<argListc; i++) {  
           fprintf(stderr,"%s ",argv[i]);  
         }  
         fprintf(stderr,"\nExiting, but staying as Zombie.\n");  
         _exit(10);  
       }        }
     }else if (strcmp(key,"getchild")==0) {        argv = (char **) sGC_malloc(sizeof(char *)*(argListc+1));
       if (size != 1) errorKan1("%s\n","[(getchild)] extension.");        if (argv == NULL) {
       rob = newObjectArray(Mycp);          fprintf(stderr," no more momory. forkExec --- exiting.\n");
       for (i=0; i<Mycp; i++) {          _exit(10);
         putoa(rob,i,KpoInteger(Mychildren[i]));  
       }        }
     }else if (strcmp(key,"getUniqueFileName")==0) {        for (i=0; i<argListc; i++) {
       if (size != 2) errorKan1("%s\n","[(getUniqueFileName) path] extension.");          argv[i] = KopString(getoa(obj1,i));
       obj1 = getoa(obj,1);          argv[i+1] = NULL;
       if (obj1.tag != Sdollar) errorKan1("%s\n","[(getUniqueFileName) path] extension. path must be a string.");        }
       rob = KpoString(ext_generateUniqueFileName(KopString(obj1)));        execv(argv[0],argv);
     }else if (strcmp(key,"outputObjectToFile")==0) {        /* This place will never be reached unless execv fails. */
       if (size != 3) errorKan1("%s\n","[(outputObjectToFile) path obj] extension.");        fprintf(stderr,"forkExec fails: ");
       obj1 = getoa(obj,1);        for (i=0; i<argListc; i++) {
       if (obj1.tag != Sdollar) errorKan1("%s\n","[(outputObjectToFile) path obj] extension. path must be a string.");          fprintf(stderr,"%s ",argv[i]);
       obj2 = getoa(obj,2);        }
       fp = fopen(KopString(obj1),"w");        fprintf(stderr,"\nExiting, but staying as Zombie.\n");
       if (fp == NULL) errorKan1("%s\n","[(outputObjectToFile) path object] extension : could not open the path.");        _exit(10);
       printObject(obj2,0,fp);  
       fclose(fp);  
       rob = NullObject;  
     }else if (strcmp(key,"hilbert")==0) {  
       if (size != 3) errorKan1("%s\n","[(hilbert) obgb obvlist] extension.");  
       rob = hilberto(getoa(obj,1),getoa(obj,2));  
     }else if (strcmp(key,"chattr")==0) {  
       if (size != 3) errorKan1("%s\n","[(chattr)  num symbol] extension.");  
       obj1 = getoa(obj,1);  
       obj2 = getoa(obj,2);  
       if (obj1.tag != Sinteger) errorKan1("%s\n","[(chattr)  num symbol] extension.");  
       if (obj2.tag != Sstring)  errorKan1("%s\n","[(chattr)  num symbol] extension.");  
       m = KopInteger(obj1);  
       if (!( m == 0 || m == PROTECT || m == ABSOLUTE_PROTECT))  
         errorKan1("%s\n","The number must be 0, 1 or 2.");  
       putUserDictionary2(obj2.lc.str,(obj2.rc.op->lc).ival,(obj2.rc.op->rc).ival,  
                          m,CurrentContextp->userDictionary);  
     }      }
     }else if (strcmp(key,"getchild")==0) {
       if (size != 1) errorKan1("%s\n","[(getchild)] extension.");
       rob = newObjectArray(Mycp);
       for (i=0; i<Mycp; i++) {
         putoa(rob,i,KpoInteger(Mychildren[i]));
       }
     }else if (strcmp(key,"getUniqueFileName")==0) {
       if (size != 2) errorKan1("%s\n","[(getUniqueFileName) path] extension.");
       obj1 = getoa(obj,1);
       if (obj1.tag != Sdollar) errorKan1("%s\n","[(getUniqueFileName) path] extension. path must be a string.");
       rob = KpoString(ext_generateUniqueFileName(KopString(obj1)));
     }else if (strcmp(key,"outputObjectToFile")==0) {
       if (size != 3) errorKan1("%s\n","[(outputObjectToFile) path obj] extension.");
       obj1 = getoa(obj,1);
       if (obj1.tag != Sdollar) errorKan1("%s\n","[(outputObjectToFile) path obj] extension. path must be a string.");
       obj2 = getoa(obj,2);
       fp = fopen(KopString(obj1),"w");
       if (fp == NULL) errorKan1("%s\n","[(outputObjectToFile) path object] extension : could not open the path.");
       printObject(obj2,0,fp);
       fclose(fp);
       rob = NullObject;
     }else if (strcmp(key,"hilbert")==0) {
       if (size != 3) errorKan1("%s\n","[(hilbert) obgb obvlist] extension.");
       rob = hilberto(getoa(obj,1),getoa(obj,2));
     }else if (strcmp(key,"chattr")==0) {
       if (size != 3) errorKan1("%s\n","[(chattr)  num symbol] extension.");
       obj1 = getoa(obj,1);
       obj2 = getoa(obj,2);
       if (obj1.tag != Sinteger) errorKan1("%s\n","[(chattr)  num symbol] extension.");
       if (obj2.tag != Sstring)  errorKan1("%s\n","[(chattr)  num symbol] extension.");
       m = KopInteger(obj1);
       if (!( m == 0 || m == PROTECT || m == ABSOLUTE_PROTECT))
         errorKan1("%s\n","The number must be 0, 1 or 2.");
       putUserDictionary2(obj2.lc.str,(obj2.rc.op->lc).ival,(obj2.rc.op->rc).ival,
                          m,CurrentContextp->userDictionary);
     }
 #include "plugin.hh"  #include "plugin.hh"
   else{    else{
     errorKan1("%s\n","Unknown tag for extension.");      errorKan1("%s\n","Unknown tag for extension.");
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