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Annotation of OpenXM/src/kxx/ox100start.c, Revision 1.6

1.6     ! takayama    1: /* $OpenXM: OpenXM/src/kxx/ox100start.c,v 1.5 2003/11/20 07:18:41 takayama Exp $ */
1.1       takayama    2: /* Moved from misc-2003/07/cygwin/test.c */
                      3: #include <stdio.h>
                      4: #include <sys/types.h>
                      5: #include <sys/stat.h>
                      6: #include <fcntl.h>
                      7: #include <stdlib.h>
                      8: #include <unistd.h>
                      9: #include <sys/wait.h>
                     10: #include <signal.h>
                     11: #include <ctype.h>
1.2       takayama   12: #include "ox_pathfinder.h"
1.1       takayama   13:
1.2       takayama   14: static void usage(void);
1.1       takayama   15: static int forkExec(char **argv);
1.3       takayama   16: void *sGC_malloc(int size) {
                     17:   return ((void *)malloc(size));
                     18: }
1.1       takayama   19:
1.6     ! takayama   20: int Quiet = 0;
1.2       takayama   21: extern char **environ;
1.1       takayama   22:
                     23: main(int argc,char *argv[]) {
                     24:   char *s;
                     25:   char s2[1024];
                     26:   char buf[1024];
                     27:   FILE *fp;
                     28:   char **aaa;
                     29:   char **eee;
                     30:   int i;
                     31:   char *serverName;
                     32:
1.4       takayama   33:
1.2       takayama   34:   /*
1.1       takayama   35:        printf("ostype=%s\n",getOStypes());
                     36:        printf("OpenXM_HOME=%s\n",getOpenXM_HOME());
                     37:        printf("sm lib =%s\n",get_sm1_lib_path());
                     38:        printf("k0 lib =%s\n",get_k0_lib_path());
                     39:        printf("ox_asir =%s\n",get_ox_asir_path());
1.2       takayama   40:   */
1.4       takayama   41:   ox_pathfinderVerbose(1);
                     42:
1.1       takayama   43:
                     44:   /* Initialize parameters */
                     45:   serverName = NULL;
                     46:   aaa = NULL;
                     47:
                     48:   for (i=1 ; i<argc; i++) {
                     49:        if (strcmp(argv[i],"-e")==0) {
                     50:          if (aaa == NULL) {
                     51:                fprintf(stderr,"Server is not found or not specified by -oxserver options.\n");
                     52:                exit(1);
                     53:          }
                     54:          aaa = catArgv(aaa,&(argv[i+1]));
                     55:          break;
                     56:        }else if (strcmp(argv[i],"-oxserver")==0) {
                     57:          i++;
                     58:          serverName = argv[i];
                     59:          aaa = getServerEnv(serverName);
                     60:        }else if (strcmp(argv[i],"-nox")==0) {
1.2       takayama   61:          ox_pathfinderNoX(1);
1.6     ! takayama   62:        }else if (strcmp(argv[i],"-quiet")==0) {
        !            63:          Quiet = 1;  ox_pathfinder_quiet();
1.1       takayama   64:        }else{
                     65:          fprintf(stderr,"Unknown option.\n");
                     66:          usage();
                     67:          exit(10);
                     68:        }
                     69:   }
                     70:
                     71:   forkExec(aaa);
1.2       takayama   72: }
1.1       takayama   73:
1.2       takayama   74: #define MYFORKCP_SIZE 100
                     75: static int Myforkchildren[MYFORKCP_SIZE];
                     76: static int Myforkcp=0;
                     77: static void myforkwait() {
                     78:   int status;
                     79:   int pid;
                     80:   int i,j;
                     81:   signal(SIGCHLD,SIG_IGN);
                     82:   pid = wait(&status);
                     83:   fprintf(stderr,"Child process %d is exiting.\n",pid);
                     84:   for (i=0; i<Myforkcp; i++) {
                     85:     if (Myforkchildren[i]  == pid) {
                     86:       for (j=i; j<Myforkcp-1; j++) {
                     87:         Myforkchildren[j] = Myforkchildren[j+1];
                     88:       }
                     89:       if (Myforkcp > 0) Myforkcp--;
                     90:     }
                     91:   }
                     92:   signal(SIGCHLD,myforkwait);
1.1       takayama   93: }
                     94:
                     95: static void usage() {
                     96:   fprintf(stderr,"oxstart100 -oxserver xxx [-e args]\n");
                     97:   fprintf(stderr,"Examples: \n");
                     98:   fprintf(stderr,"    oxstart100 -oxserver bin/ox_sm1 -e -reverse -data 3010 --control 3012 -pass 1121343432434 \n");
                     99: }
                    100:
                    101: static int forkExec(char **argv) {
                    102:   int pid;
                    103:   char **eee;
                    104:   int m;
                    105:   m = 0;
                    106:   if (argv == NULL) {
                    107:     fprintf(stderr,"Cannot fork and exec.\n"); return -1;
                    108:   }
                    109:   if ((pid = fork()) > 0) {
                    110:     if (m&2) {
                    111:          /* Do not call singal to turn around a trouble on cygwin. BUG. */
                    112:        }else{
                    113:          signal(SIGCHLD,myforkwait); /* to kill Zombie */
                    114:        }
                    115:        Myforkchildren[Myforkcp++] = pid;
                    116:        if (Myforkcp >= MYFORKCP_SIZE-1) {
                    117:          fprintf(stderr,"Child process table is full.\n");
                    118:          Myforkcp = 0;
                    119:        }
                    120:   }else{
                    121:     /* close the specified files */
                    122:        if (m&1) {
                    123:        sigset_t sss;
                    124:        sigemptyset(&sss);
                    125:        sigaddset(&sss,SIGINT);
                    126:        sigprocmask(SIG_BLOCK,&sss,NULL);
                    127:        }
1.2       takayama  128:        if (ox_pathfinderNoX(-1)) {
1.1       takayama  129:          FILE *null;
                    130:          null = fopen("/dev/null","wb");
                    131:          dup2(fileno(null),1);
                    132:          dup2(fileno(null),2);
                    133:        }
1.5       takayama  134:
                    135:     /*
                    136:        {
                    137:          int i;
                    138:          i = 0;
                    139:          fprintf(stderr,"argv-----------\n");
                    140:          while (argv[i] != NULL) {
                    141:                fprintf(stderr,"%s  ",argv[i++]);
                    142:          }
                    143:       fprintf(stderr,"\n");
                    144:          i = 0;
                    145:          fprintf(stderr,"environ-----------\n");
                    146:          while (environ[i] != NULL) {
                    147:                fprintf(stderr,"%s  ",environ[i++]);
                    148:          }
                    149:          fprintf(stderr,"\n");
                    150:     }
                    151:        */
                    152:
1.1       takayama  153:     execve(argv[0],argv,environ);
                    154:     /* This place will never be reached unless execv fails. */
                    155:     fprintf(stderr,"forkExec fails: ");
                    156:   }
                    157: }
                    158: