68 lines
1.2 KiB
C
68 lines
1.2 KiB
C
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/* */
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/* Copyright (c) 1984,1985,1986,1987,1988,1989,1990 AT&T */
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/* All Rights Reserved */
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/* */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T. */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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/* */
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/*
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* Check setpgrp() and getpgrp()
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*/
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extern int getpgrp();
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extern int setpgrp();
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main()
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{
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int pid,pgrp;
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int status;
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pid = getpid();
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pgrp = getpgrp(pid);
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if(pid==pgrp)
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pid = fork();
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else
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pid = 0;
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if(pid < 0)
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{
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printf("/* fork failed may need to set [gs]etpgrp */");
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exit(0);
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}
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if(pid >0)
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{
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wait(&status);
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if(status&0xff)
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exit((status&0xff)+0400);
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exit(status>>8);
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}
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setpgrp(0,pid);
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setpgrp(0,pgrp);
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if(getpgrp(0)==pgrp)
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{
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#ifdef setpgrp
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# ifdef getpgid
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if(getpgrp(-1)==pgrp)
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printf("#define getpgid(a) getpgrp()\n");
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else
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printf("#define getpgid(a) getpgrp(a)\n");
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# endif
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exit(0);
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#else
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printf("#define getpgid(a) getpgrp(a)\n");
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printf("#define setpgid(a,b) setpgrp(a,b)\n");
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#endif
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}
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else
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{
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#ifdef setpgrp
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exit(1);
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#else
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printf("#define getpgid(a) getpgrp()\n");
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printf("#define setpgid(a,b) ((a)?0:setpgrp())\n");
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#endif
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}
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exit(0);
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}
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