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Diff for /pegasus/src/Executor/main.c between version 1.7 and 1.7.2.3

version 1.7, 2007/09/25 17:57:41 version 1.7.2.3, 2008/02/06 20:41:55
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 #include <sys/stat.h> #include <sys/stat.h>
 #include <unistd.h> #include <unistd.h>
 #include <string.h> #include <string.h>
   #include <signal.h>
   #include <time.h>
 #include "Config.h" #include "Config.h"
 #include "Child.h" #include "Child.h"
 #include "Parent.h" #include "Parent.h"
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 #include "Macro.h" #include "Macro.h"
 #include "Assert.h" #include "Assert.h"
 #include "Options.h" #include "Options.h"
   #include <Pegasus/Common/PegasusVersion.h>
   
   #define CIMSERVER_COMMAND_TIMEOUT_SECONDS 240
  
 /* /*
 **============================================================================== **==============================================================================
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 { {
     const char* cimservermainPath;     const char* cimservermainPath;
     int pair[2];     int pair[2];
       int initCompletePipe[2];
       int pid;
     char username[EXECUTOR_BUFFER_SIZE];     char username[EXECUTOR_BUFFER_SIZE];
     const char* childUserName;     const char* childUserName;
     int childUid;     int childUid;
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         }         }
     }     }
  
     /* Create a socket pair for communicating with the child process. */  
   
     if (CreateSocketPair(pair) != 0)  
         Fatal(FL, "Failed to create socket pair");  
   
     CloseOnExec(pair[1]);  
   
     /* Initialize the log-level from the configuration parameter. */     /* Initialize the log-level from the configuration parameter. */
  
     InitLogLevel();     InitLogLevel();
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     Log(LL_TRACE, "running as %s (uid=%d, gid=%d)",     Log(LL_TRACE, "running as %s (uid=%d, gid=%d)",
         username, (int)getuid(), (int)getgid());         username, (int)getuid(), (int)getgid());
  
       /* Change the current directory */
   
   #if (defined(PEGASUS_OS_HPUX) || defined(PEGASUS_OS_LINUX)) \
       && defined(PEGASUS_USE_RELEASE_DIRS)
       chdir(PEGASUS_CORE_DIR);
   #else
       chdir("/");
   #endif
   
       /* Create a pipe for communicating with cimserver daemon process. */
   
       if (pipe(initCompletePipe) != 0)
           Fatal(FL, "Failed to create pipe");
   
       CloseOnExec(initCompletePipe[0]);
       CloseOnExec(initCompletePipe[1]);
   
       /* Fork to ensure we are not a session leader so setsid() will succeed. */
   
       pid = fork();
   
       if (pid < 0)
       {
           Fatal(FL, "fork() failed");
       }
   
       if (pid > 0)
       {
           /* Wait until daemon writes an exit code or closes the pipe. */
   
           char exitRC;
           ssize_t result;
           time_t startTime;
           time_t now;
   
           close(initCompletePipe[1]);
           SetNonBlocking(initCompletePipe[0]);
           time(&startTime);
   
           do
           {
               time(&now);
               result = WaitForReadEnable(
                   initCompletePipe[0],
                   (CIMSERVER_COMMAND_TIMEOUT_SECONDS - (now - startTime)) * 1000);
           } while (result == -1 && errno == EINTR);
   
           if (result == 0)
           {
               fprintf(stderr,
                   "The cimserver command timed out waiting for the CIM server "
                       "to start.");
               _exit(0);
           }
   
           EXECUTOR_RESTART(read(initCompletePipe[0], &exitRC, 1), result);
           if (result <= 0)
           {
               exitRC = 1;
           }
           _exit(exitRC);
       }
   
       close(initCompletePipe[0]);
   
       /* Become session leader (so that our child process will not be one) */
   
       if (setsid() < 0)
       {
           Fatal(FL, "setsid() failed");
       }
   
       /* Ignore SIGHUP: */
   
       signal(SIGHUP, SIG_IGN);
   
       /* Ignore SIGCHLD: */
   
       signal(SIGCHLD, SIG_IGN);
   
       /* Ignore SIGPIPE: */
   
       signal(SIGPIPE, SIG_IGN);
   
       /* Fork cimserver daemon process (not a session leader since parent is). */
   
       pid = fork();
   
       if (pid < 0)
       {
           Fatal(FL, "fork() failed");
       }
   
       if (pid > 0)
       {
           _exit(0);
       }
   
     /* Determine user for running CIMSERVERMAIN. */     /* Determine user for running CIMSERVERMAIN. */
  
     GetServerUser(&childUserName, &childUid, &childGid);     GetServerUser(&childUserName, &childUid, &childGid);
  
       /* Create a socket pair for communicating with the child process. */
   
       if (CreateSocketPair(pair) != 0)
           Fatal(FL, "Failed to create socket pair");
   
       CloseOnExec(pair[1]);
   
     /* Fork child process. */     /* Fork child process. */
  
     childPid = fork();     childPid = fork();
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     {     {
         /* Parent. */         /* Parent. */
         close(pair[0]);         close(pair[0]);
         Parent(pair[1], childPid, options.bindVerbose);          Parent(pair[1], initCompletePipe[1], childPid, options.bindVerbose);
     }     }
     else     else
     {     {

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  Added in v.1.7.2.3
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