34 lines
919 B
PHP
34 lines
919 B
PHP
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/* -*- c -*- */
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#include <syscall.h>
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#include "tests/lib.h"
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#include "tests/main.h"
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void
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test_main (void)
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{
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const char *child_cmd = "child-rox " CHILD_CNT;
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int handle;
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pid_t child;
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char buffer[16];
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/* Open child-rox, read from it, write back same data. */
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CHECK ((handle = open ("child-rox")) > 1, "open \"child-rox\"");
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CHECK (read (handle, buffer, sizeof buffer) == (int) sizeof buffer,
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"read \"child-rox\"");
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seek (handle, 0);
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CHECK (write (handle, buffer, sizeof buffer) == (int) sizeof buffer,
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"write \"child-rox\"");
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/* Execute child-rox and wait for it. */
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CHECK ((child = exec (child_cmd)) != -1, "exec \"%s\"", child_cmd);
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quiet = true;
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CHECK (wait (child) == 12, "wait for child");
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quiet = false;
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/* Write to child-rox again. */
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seek (handle, 0);
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CHECK (write (handle, buffer, sizeof buffer) == (int) sizeof buffer,
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"write \"child-rox\"");
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}
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