IQ.Pilot Release Commit @ 661a2de

tinygrad_repo/tinygrad/runtime/support/compiler_cpu.py

@@ -1,9 +1,13 @@
-import ctypes, subprocess
+import ctypes, subprocess, signal
 from tinygrad.device import Compiler
 from tinygrad.helpers import getenv, capstone_flatdump, DEBUG, unwrap
 from tinygrad.runtime.support.elf import jit_loader
 from tinygrad.runtime.autogen import llvm
 
+def _block_sigusr2():
+  try: signal.pthread_sigmask(signal.SIG_BLOCK, {signal.SIGUSR2})
+  except (ValueError, OSError): pass
+
 class ClangCompiler(Compiler):
   def __init__(self, arch:list[str], cachekey="compile_clang_jit"):
     assert len(arch) >= 2, f"invalid arch string: {','.join(arch)!r}, expected '<arch>,<cpu>,[<feats>]' (eg. 'x86_64,znver2')"
@@ -21,7 +25,8 @@ class ClangCompiler(Compiler):
     """Compile C source to ELF object file (before linking)."""
     # -fno-math-errno is required for __builtin_sqrt to become an instruction instead of a function call
     return subprocess.check_output([getenv("CC", 'clang'), '-c', '-x', 'c', '-O2', '-fPIC', '-ffreestanding', '-fno-math-errno', '-nostdlib',
-                                    '-fno-ident', f'--target={self.arch}-none-unknown-elf', *self.args, '-', '-o', '-'], input=src.encode('utf-8'))
+                                    '-fno-ident', f'--target={self.arch}-none-unknown-elf', *self.args, '-', '-o', '-'], input=src.encode('utf-8'),
+                                   preexec_fn=_block_sigusr2)
 
   def compile(self, src:str) -> bytes: return jit_loader(self.compile_to_obj(src))