32 lines
858 B
C
32 lines
858 B
C
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/* Spawns several child processes to write out different parts of
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the contents of a file and waits for them to finish. Then
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reads back the file and verifies its contents. */
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#include <random.h>
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#include <stdio.h>
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#include <string.h>
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#include <syscall.h>
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#include "tests/filesys/base/syn-write.h"
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#include "tests/lib.h"
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#include "tests/main.h"
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char buf1[BUF_SIZE];
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char buf2[BUF_SIZE];
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void
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test_main (void)
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{
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pid_t children[CHILD_CNT];
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int fd;
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CHECK (create (file_name, sizeof buf1), "create \"%s\"", file_name);
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exec_children ("child-syn-wrt", children, CHILD_CNT);
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wait_children (children, CHILD_CNT);
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CHECK ((fd = open (file_name)) > 1, "open \"%s\"", file_name);
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CHECK (read (fd, buf1, sizeof buf1) > 0, "read \"%s\"", file_name);
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random_bytes (buf2, sizeof buf2);
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compare_bytes (buf1, buf2, sizeof buf1, 0, file_name);
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}
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