On Wed, Apr 06, 2016 at 02:18:48PM +0800, Fei Jie wrote:
> * tests/linkat.c: New file.
> * tests/linkat.test: New test.
> * tests/.gitignore: Add linkat.
> * tests/Makefile.am (check_PROGRAMS): Likewise.
> (DECODER_TESTS): Add linkat.test.
> ---
> tests/.gitignore | 1 +
> tests/Makefile.am | 2 ++
> tests/linkat.c | 30 ++++++++++++++++++++++++++++++
> tests/linkat.test | 6 ++++++
> 4 files changed, 39 insertions(+)
> create mode 100644 tests/linkat.c
> create mode 100755 tests/linkat.test
>
> diff --git a/tests/.gitignore b/tests/.gitignore
> index c856bff..85a3491 100644
> --- a/tests/.gitignore
> +++ b/tests/.gitignore
> @@ -65,6 +65,7 @@ ipc_shm
> ksysent
> ksysent.h
> libtests.a
> +linkat
> llseek
> lseek
> lstat
> diff --git a/tests/Makefile.am b/tests/Makefile.am
> index 0ebdf71..e03b619 100644
> --- a/tests/Makefile.am
> +++ b/tests/Makefile.am
> @@ -114,6 +114,7 @@ check_PROGRAMS = \
> ipc_sem \
> ipc_shm \
> ksysent \
> + linkat \
> llseek \
> lseek \
> lstat \
> @@ -306,6 +307,7 @@ DECODER_TESTS = \
> ipc_msgbuf.test \
> ipc_sem.test \
> ipc_shm.test \
> + linkat.test \
> llseek.test \
> lseek.test \
> lstat.test \
> diff --git a/tests/linkat.c b/tests/linkat.c
> new file mode 100644
> index 0000000..e709c22
> --- /dev/null
> +++ b/tests/linkat.c
> @@ -0,0 +1,30 @@
> +#include "tests.h"
> +#include <sys/syscall.h>
> +
> +#ifdef __NR_linkat
> +
> +# include <errno.h>
> +# include <stdio.h>
> +# include <unistd.h>
> +
> +int
> +main(void)
> +{
> + static const char sample_1[] = "sample_old";
> + static const char sample_2[] = "sample_new";
These names are too general.
> + const long int fd_old = (long int) 0xdeadbeefffffffff;
> + const long int fd_new = (long int) 0xdeadbeeffffffffe;
> + int rc = syscall(__NR_linkat, fd_old, sample_1, fd_new, sample_2, 0);
> + printf("linkat(%d, \"%s\", %d, \"%s\", 0) = %d %s (%m)\n",
> + (int) fd_old, sample_1, (int) fd_new, sample_2, rc,
> + errno == ENOSYS ? "ENOSYS" : "EBADF");
> +
> + puts("+++ exited with 0 +++");
> + return 0;
> +}
> +
> +#else
> +
> +SKIP_MAIN_UNDEFINED("__NR_linkat")
> +
> +#endif
> diff --git a/tests/linkat.test b/tests/linkat.test
> new file mode 100755
> index 0000000..5627de7
> --- /dev/null
> +++ b/tests/linkat.test
> @@ -0,0 +1,6 @@
> +#!/bin/sh
> +
> +# Check linkat syscall decoding.
> +
> +. "${srcdir=.}/init.sh"
> +run_strace_match_diff
Applied with names of sample files changed.
Also I've added a check for linkat AT_* decoding in a separate commit.
--
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