3rd-party/linux-kernel-module-cheat
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test-gdb: move to pure python calls

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Ciro Santilli 六四事件 法轮功
2019-01-22 00:00:00 +00:00
parent d923c606f3
commit 3ce152f61c
10 changed files with 182 additions and 100 deletions
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31
shell_helpers.py
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@@ -9,6 +9,7 @@ import signal
import stat
import subprocess
import sys
import threading
class LF:
'''
@@ -178,18 +179,21 @@ class ShellHelpers:
if show_cmd:
self.print_cmd(cmd, cwd=cwd, cmd_file=cmd_file, extra_env=extra_env, extra_paths=extra_paths)
# Otherwise Ctrl + C gives:
# - ugly Python stack trace for gem5 (QEMU takes over terminal and is fine).
# - kills Python, and that then kills GDB: https://stackoverflow.com/questions/19807134/does-python-always-raise-an-exception-if-you-do-ctrlc-when-a-subprocess-is-exec
sigint_old = signal.getsignal(signal.SIGINT)
signal.signal(signal.SIGINT, signal.SIG_IGN)
# Otherwise, if called from a non-main thread:
# ValueError: signal only works in main thread
if threading.current_thread() == threading.main_thread():
# Otherwise Ctrl + C gives:
# - ugly Python stack trace for gem5 (QEMU takes over terminal and is fine).
# - kills Python, and that then kills GDB: https://stackoverflow.com/questions/19807134/does-python-always-raise-an-exception-if-you-do-ctrlc-when-a-subprocess-is-exec
sigint_old = signal.getsignal(signal.SIGINT)
signal.signal(signal.SIGINT, signal.SIG_IGN)
# Otherwise BrokenPipeError when piping through | grep
# But if I do this_module, my terminal gets broken at the end. Why, why, why.
# https://stackoverflow.com/questions/14207708/ioerror-errno-32-broken-pipe-python
# Ignoring the exception is not enough as it prints a warning anyways.
#sigpipe_old = signal.getsignal(signal.SIGPIPE)
#signal.signal(signal.SIGPIPE, signal.SIG_DFL)
# Otherwise BrokenPipeError when piping through | grep
# But if I do this_module, my terminal gets broken at the end. Why, why, why.
# https://stackoverflow.com/questions/14207708/ioerror-errno-32-broken-pipe-python
# Ignoring the exception is not enough as it prints a warning anyways.
#sigpipe_old = signal.getsignal(signal.SIGPIPE)
#signal.signal(signal.SIGPIPE, signal.SIG_DFL)
cmd = self.strip_newlines(cmd)
if not self.dry_run:
@@ -211,8 +215,9 @@ class ShellHelpers:
logfile.write(byte)
else:
break
signal.signal(signal.SIGINT, sigint_old)
#signal.signal(signal.SIGPIPE, sigpipe_old)
if threading.current_thread() == threading.main_thread():
signal.signal(signal.SIGINT, sigint_old)
#signal.signal(signal.SIGPIPE, sigpipe_old)
returncode = proc.returncode
if returncode != 0 and raise_on_failure:
raise Exception('Command exited with status: {}'.format(returncode))