diff options
Diffstat (limited to 'tools/test/stress2/misc')
| -rwxr-xr-x | tools/test/stress2/misc/rdwr.sh | 50 |
1 files changed, 33 insertions, 17 deletions
diff --git a/tools/test/stress2/misc/rdwr.sh b/tools/test/stress2/misc/rdwr.sh index c77c955dc210..893056558560 100755 --- a/tools/test/stress2/misc/rdwr.sh +++ b/tools/test/stress2/misc/rdwr.sh @@ -28,6 +28,11 @@ # Test with read/write length of INT_MAX (i386) or INT_MAX+1 (amd64) +# Seen: +# rdwr: readv(). Expected 2147483648 (80000000), got -2147483648 (ffffffff80000000) bytes: No error: 0 +# rdwr: writev(). Expected 2147483648 (80000000), got -2147483648 (ffffffff80000000) bytes: No error: 0 +# Fixed by: 78101d437a92 + . ../default.cfg [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 @@ -61,11 +66,22 @@ EOF #include <fcntl.h> #include <unistd.h> +static int s; + +static void +er(char * syscall, size_t len, ssize_t ret) +{ + warn("%8s. Expected %zu (%zx), got %zd (%zx) bytes", + syscall, len, len, ret, ret); + s=1; +} + int main(int argc, char **argv) { int fd1, fd2; size_t len; + ssize_t r; void *p; struct iovec iov; @@ -85,34 +101,34 @@ main(int argc, char **argv) MAP_FAILED) err(1, "mmap"); - if (read(fd2, p, len) != len) - err(1, "read"); + if ((r = read(fd2, p, len)) != len) + er("read()", len, r); - if (write(fd1, p, len) != len) - err(1, "write"); + if ((r = write(fd1, p, len)) != len) + er("write()", len, r); - if (pread(fd2, p, len, 0) != len) - err(1, "pread"); + if ((r = pread(fd2, p, len, 0)) != len) + er("pread()", len, r); - if (pwrite(fd1, p, len, 0) != len) - err(1, "pwrite"); + if ((r = pwrite(fd1, p, len, 0)) != len) + er("pwrite()", len, r); iov.iov_base = p; iov.iov_len = len; - if (readv(fd2, &iov, 1) != len) - err(1, "readv"); + if ((r = readv(fd2, &iov, 1)) != len) + er("readv()", len, r); - if (writev(fd1, &iov, 1) != len) - err(1, "writev"); + if ((r = writev(fd1, &iov, 1)) != len) + er("writev()", len, r); - if (preadv(fd2, &iov, 1, 0) != len) - err(1, "preadv"); + if ((r = preadv(fd2, &iov, 1, 0)) != len) + er("preadv()", len, r); - if (pwritev(fd1, &iov, 1, 0) != len) - err(1, "pwritev"); + if ((r = pwritev(fd1, &iov, 1, 0)) != len) + er("pwritev()", len, r); close(fd1); close(fd2); - return (0); + return (s); } |