25 lines
656 B
C
25 lines
656 B
C
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/* Child process of mmap-exit.
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Mmaps a file and writes to it via the mmap'ing, then exits
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without calling munmap. The data in the mapped region must be
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written out at program termination. */
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#include <string.h>
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#include <syscall.h>
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#include "tests/vm/sample.inc"
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#include "tests/lib.h"
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#include "tests/main.h"
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#define ACTUAL ((void *) 0x10000000)
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void
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test_main (void)
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{
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int handle;
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CHECK (create ("sample.txt", sizeof sample), "create \"sample.txt\"");
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CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");
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CHECK (mmap (handle, ACTUAL) != MAP_FAILED, "mmap \"sample.txt\"");
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memcpy (ACTUAL, sample, sizeof sample);
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}
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