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Annotation of OpenXM/src/kxx/ox100start.c, Revision 1.7

1.7     ! takayama    1: /* $OpenXM: OpenXM/src/kxx/ox100start.c,v 1.6 2004/02/28 12:27:15 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;
1.7     ! takayama   21: static int EngineLogToStdout = 0;
1.2       takayama   22: extern char **environ;
1.1       takayama   23:
                     24: main(int argc,char *argv[]) {
                     25:   char *s;
                     26:   char s2[1024];
                     27:   char buf[1024];
                     28:   FILE *fp;
                     29:   char **aaa;
                     30:   char **eee;
                     31:   int i;
                     32:   char *serverName;
                     33:
1.4       takayama   34:
1.2       takayama   35:   /*
1.1       takayama   36:        printf("ostype=%s\n",getOStypes());
                     37:        printf("OpenXM_HOME=%s\n",getOpenXM_HOME());
                     38:        printf("sm lib =%s\n",get_sm1_lib_path());
                     39:        printf("k0 lib =%s\n",get_k0_lib_path());
                     40:        printf("ox_asir =%s\n",get_ox_asir_path());
1.2       takayama   41:   */
1.4       takayama   42:   ox_pathfinderVerbose(1);
                     43:
1.1       takayama   44:
                     45:   /* Initialize parameters */
                     46:   serverName = NULL;
                     47:   aaa = NULL;
                     48:
                     49:   for (i=1 ; i<argc; i++) {
                     50:        if (strcmp(argv[i],"-e")==0) {
                     51:          if (aaa == NULL) {
                     52:                fprintf(stderr,"Server is not found or not specified by -oxserver options.\n");
                     53:                exit(1);
                     54:          }
                     55:          aaa = catArgv(aaa,&(argv[i+1]));
                     56:          break;
                     57:        }else if (strcmp(argv[i],"-oxserver")==0) {
                     58:          i++;
                     59:          serverName = argv[i];
                     60:          aaa = getServerEnv(serverName);
                     61:        }else if (strcmp(argv[i],"-nox")==0) {
1.2       takayama   62:          ox_pathfinderNoX(1);
1.7     ! takayama   63:        }else if (strcmp(argv[i],"-engineLogToStdout")==0) {
        !            64:          ox_pathfinderEngineLogToStdout(1);
        !            65:          EngineLogToStdout = 1;
1.6       takayama   66:        }else if (strcmp(argv[i],"-quiet")==0) {
                     67:          Quiet = 1;  ox_pathfinder_quiet();
1.1       takayama   68:        }else{
                     69:          fprintf(stderr,"Unknown option.\n");
                     70:          usage();
                     71:          exit(10);
                     72:        }
                     73:   }
                     74:
                     75:   forkExec(aaa);
1.2       takayama   76: }
1.1       takayama   77:
1.2       takayama   78: #define MYFORKCP_SIZE 100
                     79: static int Myforkchildren[MYFORKCP_SIZE];
                     80: static int Myforkcp=0;
                     81: static void myforkwait() {
                     82:   int status;
                     83:   int pid;
                     84:   int i,j;
                     85:   signal(SIGCHLD,SIG_IGN);
                     86:   pid = wait(&status);
                     87:   fprintf(stderr,"Child process %d is exiting.\n",pid);
                     88:   for (i=0; i<Myforkcp; i++) {
                     89:     if (Myforkchildren[i]  == pid) {
                     90:       for (j=i; j<Myforkcp-1; j++) {
                     91:         Myforkchildren[j] = Myforkchildren[j+1];
                     92:       }
                     93:       if (Myforkcp > 0) Myforkcp--;
                     94:     }
                     95:   }
                     96:   signal(SIGCHLD,myforkwait);
1.1       takayama   97: }
                     98:
                     99: static void usage() {
1.7     ! takayama  100:   fprintf(stderr,"ox100start -oxserver xxx [-e args]\n");
1.1       takayama  101:   fprintf(stderr,"Examples: \n");
1.7     ! takayama  102:   fprintf(stderr,"    ox100start -oxserver bin/ox_sm1 -e -reverse -data 3010 --control 3012 -pass 1121343432434 \n");
        !           103:   fprintf(stderr,"     ox100start -nox -engineLogToStdout -oxserver bin/ox_sm1 -e -data 3010 \n");
        !           104:
1.1       takayama  105: }
                    106:
                    107: static int forkExec(char **argv) {
                    108:   int pid;
                    109:   char **eee;
                    110:   int m;
                    111:   m = 0;
                    112:   if (argv == NULL) {
                    113:     fprintf(stderr,"Cannot fork and exec.\n"); return -1;
                    114:   }
                    115:   if ((pid = fork()) > 0) {
                    116:     if (m&2) {
                    117:          /* Do not call singal to turn around a trouble on cygwin. BUG. */
                    118:        }else{
                    119:          signal(SIGCHLD,myforkwait); /* to kill Zombie */
                    120:        }
                    121:        Myforkchildren[Myforkcp++] = pid;
                    122:        if (Myforkcp >= MYFORKCP_SIZE-1) {
                    123:          fprintf(stderr,"Child process table is full.\n");
                    124:          Myforkcp = 0;
                    125:        }
                    126:   }else{
                    127:     /* close the specified files */
                    128:        if (m&1) {
                    129:        sigset_t sss;
                    130:        sigemptyset(&sss);
                    131:        sigaddset(&sss,SIGINT);
                    132:        sigprocmask(SIG_BLOCK,&sss,NULL);
                    133:        }
1.7     ! takayama  134:        if (ox_pathfinderNoX(-1) && (!EngineLogToStdout)) {
1.1       takayama  135:          FILE *null;
                    136:          null = fopen("/dev/null","wb");
                    137:          dup2(fileno(null),1);
                    138:          dup2(fileno(null),2);
                    139:        }
1.5       takayama  140:
                    141:     /*
                    142:        {
                    143:          int i;
                    144:          i = 0;
                    145:          fprintf(stderr,"argv-----------\n");
                    146:          while (argv[i] != NULL) {
                    147:                fprintf(stderr,"%s  ",argv[i++]);
                    148:          }
                    149:       fprintf(stderr,"\n");
                    150:          i = 0;
                    151:          fprintf(stderr,"environ-----------\n");
                    152:          while (environ[i] != NULL) {
                    153:                fprintf(stderr,"%s  ",environ[i++]);
                    154:          }
                    155:          fprintf(stderr,"\n");
                    156:     }
                    157:        */
                    158:
1.1       takayama  159:     execve(argv[0],argv,environ);
                    160:     /* This place will never be reached unless execv fails. */
                    161:     fprintf(stderr,"forkExec fails: ");
                    162:   }
                    163: }
                    164: