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Diffstat (limited to 'tools/regression/pipe/pipe-reverse.c')
-rw-r--r-- | tools/regression/pipe/pipe-reverse.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/tools/regression/pipe/pipe-reverse.c b/tools/regression/pipe/pipe-reverse.c deleted file mode 100644 index 702c516..0000000 --- a/tools/regression/pipe/pipe-reverse.c +++ /dev/null @@ -1,113 +0,0 @@ -/* -Copyright (C) 2004 Michael J. Silbersack. All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. -2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE -FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -SUCH DAMAGE. -*/ - -#include <stdio.h> -#include <unistd.h> -#include <sys/stat.h> - -/* - * $FreeBSD$ - * This program simply tests writing through the reverse direction of - * a pipe. Nothing too fancy, it's only needed because most pipe-using - * programs never touch the reverse direction (it doesn't exist on - * Linux.) - */ - -int main (void) -{ -char buffer[65535], buffer2[65535]; -int desc[2]; -int buggy, error, i, successes, total; -struct stat status; -pid_t new_pid; - -buggy = 0; -total = 0; - -error = pipe(desc); - -if (error) - err(0, "Couldn't allocate fds\n"); - -buffer[0] = 'A'; - -for (i = 1; i < 65535; i++) { - buffer[i] = buffer[i - 1] + 1; - if (buffer[i] > 'Z') - buffer[i] = 'A'; - } - -new_pid = fork(); - -if (new_pid == 0) { - error = write(desc[0], &buffer, 4096); - total += error; - error = write(desc[0], &buffer[total], 4096); - total += error; - error = write(desc[0], &buffer[total], 4096); - total += error; - error = write(desc[0], &buffer[total], 4096); - total += error; - error = write(desc[0], &buffer[total], 4096); - total += error; - error = write(desc[0], &buffer[total], 4096); - total += error; - error = write(desc[0], &buffer[total], 4096); - total += error; - error = write(desc[0], &buffer[total], 4096); - total += error; - printf("Wrote %d bytes, sleeping\n", total); - usleep(1000000); - error = write(desc[0], &buffer[total], 4096); - total += error; - error = write(desc[0], &buffer[total], 4096); - total += error; - printf("Wrote another 8192 bytes, %d total, done\n", total); -} else { - usleep(500000); - error = read(desc[1], &buffer2, 32768); - total += error; - printf("Read %d bytes, going back to sleep\n", error); - usleep(1000000); - error = read(desc[1], &buffer2[total], 8192); - total += error; - printf("Read %d bytes, done\n", error); - - for (i = 0; i < total; i++) { - if (buffer[i] != buffer2[i]) { - buggy = 1; - printf("Location %d input: %hhx output: %hhx\n", - i, buffer[i], buffer2[i]); - } - } - -if ((buggy == 1) || (total != 40960)) - printf("FAILURE\n"); -else - printf("SUCCESS\n"); - -} - -} |