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10ccb22050420b4a7121925166dbe66586011bc9
[pintos-anon]
/
grading
/
userprog
/
join-twice.c
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#include <stdio.h>
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#include <syscall.h>
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int
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main (void)
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{
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pid_t child;
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printf ("(join-twice) begin\n");
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child = exec ("child-twice");
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printf ("(join-twice) join(exec()) = %d\n", join (child));
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join (child);
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printf ("(join-twice) end\n");
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return 0;
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}