Add Python 3 modules, and more Python 2 modules.

Also, sort names alphabetically and add module docstrings.

python3/signal.py

@@ -0,0 +1,92 @@
+"""Stub file for the 'signal' module."""
+# This is an autogenerated file. It serves as a starting point
+# for a more percise manual annotation of this module.
+# Feel free to edit the source below, but remove this header when you do.
+
+ITIMER_PROF = Undefined(long)
+ITIMER_REAL = Undefined(long)
+ITIMER_VIRTUAL = Undefined(long)
+ItimerError = Undefined(object)
+NSIG = Undefined(long)
+SIGABRT = Undefined(long)
+SIGALRM = Undefined(long)
+SIGBUS = Undefined(long)
+SIGCHLD = Undefined(long)
+SIGCLD = Undefined(long)
+SIGCONT = Undefined(long)
+SIGFPE = Undefined(long)
+SIGHUP = Undefined(long)
+SIGILL = Undefined(long)
+SIGINT = Undefined(long)
+SIGIO = Undefined(long)
+SIGIOT = Undefined(long)
+SIGKILL = Undefined(long)
+SIGPIPE = Undefined(long)
+SIGPOLL = Undefined(long)
+SIGPROF = Undefined(long)
+SIGPWR = Undefined(long)
+SIGQUIT = Undefined(long)
+SIGRTMAX = Undefined(long)
+SIGRTMIN = Undefined(long)
+SIGSEGV = Undefined(long)
+SIGSTOP = Undefined(long)
+SIGSYS = Undefined(long)
+SIGTERM = Undefined(long)
+SIGTRAP = Undefined(long)
+SIGTSTP = Undefined(long)
+SIGTTIN = Undefined(long)
+SIGTTOU = Undefined(long)
+SIGURG = Undefined(long)
+SIGUSR1 = Undefined(long)
+SIGUSR2 = Undefined(long)
+SIGVTALRM = Undefined(long)
+SIGWINCH = Undefined(long)
+SIGXCPU = Undefined(long)
+SIGXFSZ = Undefined(long)
+SIG_DFL = Undefined(long)
+SIG_IGN = Undefined(long)
+
+def alarm(a: int) -> long: pass
+
+def default_int_handler(*args, **kwargs) -> object:
+    raise KeyboardInterrupt()
+
+def getitimer(a: int) -> tuple: pass
+
+def getsignal(a: int) -> NoneType:
+    raise ValueError()
+
+def pause() -> NoneType: pass
+
+def pthread_kill(a: int, b: int) -> NoneType:
+    raise OSError()
+
+def pthread_sigmask(a: int, b) -> object:
+    raise OSError()
+
+def set_wakeup_fd(a: int) -> long:
+    raise ValueError()
+
+def setitimer(a: int, b: float, *args, **kwargs) -> tuple: pass
+
+def siginterrupt(a: int, b: int) -> NoneType:
+    raise ValueError()
+    raise OSError()
+
+def signal(a: int, b) -> NoneType:
+    raise TypeError()
+    raise ValueError()
+    raise OSError()
+
+def sigpending() -> object:
+    raise OSError()
+
+def sigtimedwait(a, b) -> object:
+    raise ValueError()
+    raise OSError()
+
+def sigwait(a) -> long:
+    raise OSError()
+
+def sigwaitinfo(a) -> tuple:
+    raise OSError()