If a system does not support setting the platform profile (i.e., does
not have the file /sys/firmware/acpi/platform_profile), then everything
that interacts with it is skipped to prevent errors. This situation is
more common than I expected.[1]
[1] https://github.com/FeralInteractive/gamemode/issues/524
This reduces duplication of the split lock mitigation path.
Additionally, it allows extending the functionality of procsysctl into
also getting the split lock mitigation state.
The platform profile lives in /sys/firmware/acpi/platform_profile. The
desiredprof and defaultprof options correspond to the values for the
platform profile set when gamescope begins and ends, respectively.
HACK: The platform profile may restrict what values the governor can
take, so we choose to set the governor before the platform profile in
order to store the correct default governor, and restore the platform
profile before the governor. This is done to maximize correctness after
restoration, but it can cause issues if the previous platform profile
restricts the governor.
TODO: Save all the state we care about before any of it is changed. In
thsi case, we should set (and restore) the platform profile before the
governor.
Attribute the contributions made by members of the community, but avoid
unweildy and inconsistent copyright notices at the top of each file.
Existing contributor copyright notices have been left as-is.
Fixes the following build failure:
In file included from ../common/common-cpu.c:32:
../common/common-cpu.h:44:9: error: unknown type name 'cpu_set_t'
44 | cpu_set_t *online;
| ^~~~~~~~~
../common/common-cpu.h:45:9: error: unknown type name 'cpu_set_t'
45 | cpu_set_t *to_keep;
| ^~~~~~~~~
Signed-off-by: Kostadin Shishmanov <kocelfc@tutanota.com>
This was spotted thanks to clang-format reordering the includes.
Even with the new config, it will include the header file for the
current source file first. Nevertheless, it is best to always include
header files where they are needed.
Not all distributions install non-system binaries into /usr/bin. For
example, NixOS installs packages to /nix/store using a unique hash
generated from the inputs used to build it:
/nix/store/jld7jh3ilvbg91zvn1bdyawfc55b9jk8-polkit-0.118-bin/bin/pkexec
The function `pidfds_to_pids` expected `-1` if `open_fdinfo_dir` failed but the latter returned `errno` which is hard to distinguish from a valid file handle. Correct that by making `open_fdinfo_dir` a wrapper around `open`.
Add functions to open pidfds, i.e. file descriptors representing
processes, for process ids and vice versa. Both functions work
an array of fds/pids, stop on error and return the number of
successfully handled items.
Much like the auto-closing helper for file descriptors, add a new
auto-free helper that is meant to be used with dynamically allocated
memory, a la:
autofree char *data = NULL;
...
data = malloc(size);
When data goes out of scope, cleanup_free will be called with &data,
i.e. cleanup_free(&data), which in turn will call free(3) data. In
order to work with all types, e.g. 'char *' (resulting in char **
being passed to cleanup_free) or 'int *' (resulting in int ** being
passed to cleanup_free), cleanup_free is defined to work with void *,
hence the odd-looking cast: void *target = *(void **) ptr.
Specify the include directory in the link_daemon_common dependency
and thus everything that includes that as a dependency will get
the proper include directory automatically.
