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Annotation of researchv10no/games/trek/shell.c, revision 1.1.1.1

1.1       root        1: #include "trek.h"
                      2: /**
                      3:  **    call the shell
                      4:  **/
                      5: 
                      6: shell()
                      7: {
                      8:        int             i;
                      9:        register int    pid;
                     10:        register int    oldsig, oldqit;
                     11: 
                     12:        if (!(pid = fork()))
                     13:        {
                     14:                setuid(getuid());
                     15:                nice(0);
                     16:                signal(SIGINT, 0);
                     17:                execl("/bin/sh", "-", 0);
                     18:                syserr("cannot execute /bin/sh");
                     19:        }
                     20:        oldsig=signal(2,1); oldqit=signal(3,1);
                     21:        while (wait(&i) != pid) ;
                     22:        printf("trek!\n");
                     23:        signal(2,oldsig); signal(3,oldqit);
                     24: }

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