NAME¶

enosys - utility make syscalls fail with ENOSYS

SYNOPSIS¶

enosys [--syscall|-s syscall] command

DESCRIPTION¶

enosys is a simple command to execute a child process for which certain syscalls fail with errno ENOSYS.

It can be used to test the behavior of applications in the face of missing syscalls as would happen when running on old kernels.

OPTIONS¶

-s, --syscall

-i, --ioctl

-l, --list

-m, --list-ioctl

-h, --help

-V, --version

EXIT STATUS¶

enosys exits with the status code of the executed process. The following values have special meanings:

1

2

AUTHORS¶

Thomas Weißschuh <thomas@t-8ch.de>

SEE ALSO¶

syscall(2)

REPORTING BUGS¶

For bug reports, use the issue tracker at <https://github.com/util-linux/util-linux/issues>.

AVAILABILITY¶

The enosys command is part of the util-linux package which can be downloaded from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>.