Files
RedBear-OS/recipes/dev/python312/source/Python/emscripten_signal.c
T
vasilito facf0c92e0 feat: track all source trees in git — full fork offline-first model
Red Bear OS is a full fork. All sources must be available from git clone
with zero network access. Removed gitignore rules that excluded fetched
source trees under recipes/*/source/, local/recipes/kde/*/source/,
local/recipes/qt/*/source/, and vendor source trees.

Build artifacts (target/, build/, source.tar, *.o, *.so) remain excluded.

127291 files added — kernel, relibc, base, bootloader, pkgar, all KDE/Qt
frameworks, mesa, wayland, DRM drivers, and every other recipe source.
2026-05-14 10:55:53 +01:00

57 lines
1.5 KiB
C

// To enable signal handling, the embedder should:
// 1. set Module.Py_EmscriptenSignalBuffer = some_shared_array_buffer;
// 2. set the Py_EMSCRIPTEN_SIGNAL_HANDLING flag to 1 as follows:
// Module.HEAP8[Module._Py_EMSCRIPTEN_SIGNAL_HANDLING] = 1
//
// The address &Py_EMSCRIPTEN_SIGNAL_HANDLING is exported as
// Module._Py_EMSCRIPTEN_SIGNAL_HANDLING.
#include <emscripten.h>
#include "Python.h"
EM_JS(int, _Py_CheckEmscriptenSignals_Helper, (void), {
if (!Module.Py_EmscriptenSignalBuffer) {
return 0;
}
try {
let result = Module.Py_EmscriptenSignalBuffer[0];
Module.Py_EmscriptenSignalBuffer[0] = 0;
return result;
} catch(e) {
#if !defined(NDEBUG)
console.warn("Error occurred while trying to read signal buffer:", e);
#endif
return 0;
}
});
EMSCRIPTEN_KEEPALIVE int Py_EMSCRIPTEN_SIGNAL_HANDLING = 0;
void
_Py_CheckEmscriptenSignals(void)
{
if (!Py_EMSCRIPTEN_SIGNAL_HANDLING) {
return;
}
int signal = _Py_CheckEmscriptenSignals_Helper();
if (signal) {
PyErr_SetInterruptEx(signal);
}
}
#define PY_EMSCRIPTEN_SIGNAL_INTERVAL 50
static int emscripten_signal_clock = PY_EMSCRIPTEN_SIGNAL_INTERVAL;
void
_Py_CheckEmscriptenSignalsPeriodically(void)
{
if (!Py_EMSCRIPTEN_SIGNAL_HANDLING) {
return;
}
emscripten_signal_clock--;
if (emscripten_signal_clock == 0) {
emscripten_signal_clock = PY_EMSCRIPTEN_SIGNAL_INTERVAL;
_Py_CheckEmscriptenSignals();
}
}