Shared runtime code now goes through runtime/platform/platform.h, implemented by platform/win32.c and a new
platform/linux.c: futex locks, a userfaultfd and PAGEMAP_SCAN write watch, signal-based async preemption, our own
fiber switch, and a SIGSEGV handler for the thaw and crash hooks. The window, input, menu and software keyboard get
SDL3 back ends beside the Win32 ones, with the swapchain (gfx_present.c) and input merging (input.c) shared. SHA-256
replaces BCrypt, ELF builds get their own override sections, and the build tools gain Linux branches.
On Linux the selftest and the gfx-abi, astc, nvn and window probes pass. probe-vkmem still fails: imported guest
memory cannot be write-watched on Linux, which the shadow buffers in vk_memory.c will address.
cfg_set stores a value in memory and bumps cfg_version; consumers that keep a
parsed value compare the version and parse again when it changed. cfg_save
rewrites only the changed lines of totk.ini, keeps comments, and adds a missing
key under its section (after its commented example line when there is one).
The environment still wins over both.
Live consumers: volume (new TOTK_VOLUME host gain in the mixer), frame limit
(TOTK_FPS60 switches the fps60 patch set and the pacer caps at 30 or 60),
rumble strength, curve and triggers, gyro on or off, mouse sensitivity.
TOTK_MOTION=0 and rumble strength 0 now keep their hid handles and read at
rest or stay silent, so they can be turned back on. --probe-cfg covers
cfg_set and cfg_save.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Wellington Dias