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Annotation of OpenXM/src/kxx/ox100start.c, Revision 1.8

1.8     ! takayama    1: /* $OpenXM: OpenXM/src/kxx/ox100start.c,v 1.7 2006/01/26 08:36:50 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"
1.8     ! takayama   13: #include "mysig.h"
1.1       takayama   14:
1.2       takayama   15: static void usage(void);
1.1       takayama   16: static int forkExec(char **argv);
1.3       takayama   17: void *sGC_malloc(int size) {
                     18:   return ((void *)malloc(size));
                     19: }
1.1       takayama   20:
1.6       takayama   21: int Quiet = 0;
1.7       takayama   22: static int EngineLogToStdout = 0;
1.2       takayama   23: extern char **environ;
1.1       takayama   24:
                     25: main(int argc,char *argv[]) {
                     26:   char *s;
                     27:   char s2[1024];
                     28:   char buf[1024];
                     29:   FILE *fp;
                     30:   char **aaa;
                     31:   char **eee;
                     32:   int i;
                     33:   char *serverName;
                     34:
1.4       takayama   35:
1.2       takayama   36:   /*
1.1       takayama   37:        printf("ostype=%s\n",getOStypes());
                     38:        printf("OpenXM_HOME=%s\n",getOpenXM_HOME());
                     39:        printf("sm lib =%s\n",get_sm1_lib_path());
                     40:        printf("k0 lib =%s\n",get_k0_lib_path());
                     41:        printf("ox_asir =%s\n",get_ox_asir_path());
1.2       takayama   42:   */
1.4       takayama   43:   ox_pathfinderVerbose(1);
                     44:
1.1       takayama   45:
                     46:   /* Initialize parameters */
                     47:   serverName = NULL;
                     48:   aaa = NULL;
                     49:
                     50:   for (i=1 ; i<argc; i++) {
                     51:        if (strcmp(argv[i],"-e")==0) {
                     52:          if (aaa == NULL) {
                     53:                fprintf(stderr,"Server is not found or not specified by -oxserver options.\n");
                     54:                exit(1);
                     55:          }
                     56:          aaa = catArgv(aaa,&(argv[i+1]));
                     57:          break;
                     58:        }else if (strcmp(argv[i],"-oxserver")==0) {
                     59:          i++;
                     60:          serverName = argv[i];
                     61:          aaa = getServerEnv(serverName);
                     62:        }else if (strcmp(argv[i],"-nox")==0) {
1.2       takayama   63:          ox_pathfinderNoX(1);
1.7       takayama   64:        }else if (strcmp(argv[i],"-engineLogToStdout")==0) {
                     65:          ox_pathfinderEngineLogToStdout(1);
                     66:          EngineLogToStdout = 1;
1.6       takayama   67:        }else if (strcmp(argv[i],"-quiet")==0) {
                     68:          Quiet = 1;  ox_pathfinder_quiet();
1.1       takayama   69:        }else{
                     70:          fprintf(stderr,"Unknown option.\n");
                     71:          usage();
                     72:          exit(10);
                     73:        }
                     74:   }
                     75:
                     76:   forkExec(aaa);
1.2       takayama   77: }
1.1       takayama   78:
1.2       takayama   79: #define MYFORKCP_SIZE 100
                     80: static int Myforkchildren[MYFORKCP_SIZE];
                     81: static int Myforkcp=0;
                     82: static void myforkwait() {
                     83:   int status;
                     84:   int pid;
                     85:   int i,j;
1.8     ! takayama   86:   mysignal(SIGCHLD,SIG_IGN);
1.2       takayama   87:   pid = wait(&status);
                     88:   fprintf(stderr,"Child process %d is exiting.\n",pid);
                     89:   for (i=0; i<Myforkcp; i++) {
                     90:     if (Myforkchildren[i]  == pid) {
                     91:       for (j=i; j<Myforkcp-1; j++) {
                     92:         Myforkchildren[j] = Myforkchildren[j+1];
                     93:       }
                     94:       if (Myforkcp > 0) Myforkcp--;
                     95:     }
                     96:   }
1.8     ! takayama   97:   mysignal(SIGCHLD,myforkwait);
1.1       takayama   98: }
                     99:
                    100: static void usage() {
1.7       takayama  101:   fprintf(stderr,"ox100start -oxserver xxx [-e args]\n");
1.1       takayama  102:   fprintf(stderr,"Examples: \n");
1.7       takayama  103:   fprintf(stderr,"    ox100start -oxserver bin/ox_sm1 -e -reverse -data 3010 --control 3012 -pass 1121343432434 \n");
                    104:   fprintf(stderr,"     ox100start -nox -engineLogToStdout -oxserver bin/ox_sm1 -e -data 3010 \n");
                    105:
1.1       takayama  106: }
                    107:
                    108: static int forkExec(char **argv) {
                    109:   int pid;
                    110:   char **eee;
                    111:   int m;
                    112:   m = 0;
                    113:   if (argv == NULL) {
                    114:     fprintf(stderr,"Cannot fork and exec.\n"); return -1;
                    115:   }
                    116:   if ((pid = fork()) > 0) {
                    117:     if (m&2) {
                    118:          /* Do not call singal to turn around a trouble on cygwin. BUG. */
                    119:        }else{
1.8     ! takayama  120:          mysignal(SIGCHLD,myforkwait); /* to kill Zombie */
1.1       takayama  121:        }
                    122:        Myforkchildren[Myforkcp++] = pid;
                    123:        if (Myforkcp >= MYFORKCP_SIZE-1) {
                    124:          fprintf(stderr,"Child process table is full.\n");
                    125:          Myforkcp = 0;
                    126:        }
                    127:   }else{
                    128:     /* close the specified files */
                    129:        if (m&1) {
                    130:        sigset_t sss;
                    131:        sigemptyset(&sss);
                    132:        sigaddset(&sss,SIGINT);
                    133:        sigprocmask(SIG_BLOCK,&sss,NULL);
                    134:        }
1.7       takayama  135:        if (ox_pathfinderNoX(-1) && (!EngineLogToStdout)) {
1.1       takayama  136:          FILE *null;
                    137:          null = fopen("/dev/null","wb");
                    138:          dup2(fileno(null),1);
                    139:          dup2(fileno(null),2);
                    140:        }
1.5       takayama  141:
                    142:     /*
                    143:        {
                    144:          int i;
                    145:          i = 0;
                    146:          fprintf(stderr,"argv-----------\n");
                    147:          while (argv[i] != NULL) {
                    148:                fprintf(stderr,"%s  ",argv[i++]);
                    149:          }
                    150:       fprintf(stderr,"\n");
                    151:          i = 0;
                    152:          fprintf(stderr,"environ-----------\n");
                    153:          while (environ[i] != NULL) {
                    154:                fprintf(stderr,"%s  ",environ[i++]);
                    155:          }
                    156:          fprintf(stderr,"\n");
                    157:     }
                    158:        */
                    159:
1.1       takayama  160:     execve(argv[0],argv,environ);
                    161:     /* This place will never be reached unless execv fails. */
                    162:     fprintf(stderr,"forkExec fails: ");
                    163:   }
                    164: }
                    165: