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(root)/
lib/
python3.12/
test/
__pycache__/
test_signal.cpython-312.pyc

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% llnS!--c2C8--b137--b126rrztests specific to POSIXc,tj\}}|jtj||jtj|tj|d|jt5}tj|ddd|jtjd|ztj|dtj|tjdy#1swYrxYw)NTz&the fd %s must be in non-blocking modeFr)r\rrrrrErFrrr'str	exception)r.rfdwfdcms    rtest_set_wakeup_fd_blockingz)WakeupFDTests.test_set_wakeup_fd_blockings779S#&#&	T"


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is_emscriptenrr\rrr(r)rr!rrrrs174
X335MN4O4X__W**,LMXV,.BC7DN7"X__W**,LMX335MN7ON7$X__S\\W,.GHX__W**,LMXV,.BC!DNI!rrc
eZdZejeduddddZejedudejee	dddZ
d	Zd
ZdZ
ejeedd
dZy)WakeupSignalTestsNneed _testcapiTorderedcpdjttt|||}t	d|y)Naif 1:
        import _testcapi
        import os
        import signal
        import struct

        signals = {!r}

        def handler(signum, frame):
            pass

        def check_signum(signals):
            data = os.read(read, len(signals)+1)
            raised = struct.unpack('%uB' % len(data), data)
            if not {!r}:
                raised = set(raised)
                signals = set(signals)
            if raised != signals:
                raise Exception("%r != %r" % (raised, signals))

        {}

        signal.signal(signal.SIGALRM, handler)
        read, write = os.pipe()
        os.set_blocking(write, False)
        signal.set_wakeup_fd(write)

        test()
        check_signum(signals)

        os.close(read)
        os.close(write)
        rr)formattuplemapintr)r.	test_bodyrsignalscodes     rcheck_wakeupzWakeupSignalTests.check_wakeup#s7 @
F5S'*+Wi@A	
D	t$rrrcnd}tj\}}	tj|d|jdtj
|tj
|t
d|y#t$rYBwxYw#tj
|tj
|wxYw)Na&if 1:
        import _testcapi
        import errno
        import os
        import signal
        import sys
        from test.support import captured_stderr

        def handler(signum, frame):
            1/0

        signal.signal(signal.SIGALRM, handler)
        r, w = os.pipe()
        os.set_blocking(r, False)

        # Set wakeup_fd a read-only file descriptor to trigger the error
        signal.set_wakeup_fd(r)
        try:
            with captured_stderr() as err:
                signal.raise_signal(signal.SIGALRM)
        except ZeroDivisionError:
            # An ignored exception should have been printed out on stderr
            err = err.getvalue()
            if ('Exception ignored when trying to write to the signal wakeup fd'
                not in err):
                raise AssertionError(err)
            if ('OSError: [Errno %d]' % errno.EBADF) not in err:
                raise AssertionError(err)
        else:
            raise AssertionError("ZeroDivisionError not raised")

        os.close(r)
        os.close(w)
        xz9OS doesn't report write() error on the read end of a piperr)r\rwriteskipTestrrr)r.rrws    rtest_wakeup_write_errorz)WakeupSignalTests.test_wakeup_write_errorJs!Dwwy1	HHQ
MMUVHHQKHHQKt$		

HHQKHHQKs(A9B9	BBBB,B4cD|jdtjy)Nadef test():
            import select
            import time

            TIMEOUT_FULL = 10
            TIMEOUT_HALF = 5

            class InterruptSelect(Exception):
                pass

            def handler(signum, frame):
                raise InterruptSelect
            signal.signal(signal.SIGALRM, handler)

            signal.alarm(1)

            # We attempt to get a signal during the sleep,
            # before select is called
            try:
                select.select([], [], [], TIMEOUT_FULL)
            except InterruptSelect:
                pass
            else:
                raise Exception("select() was not interrupted")

            before_time = time.monotonic()
            select.select([read], [], [], TIMEOUT_FULL)
            after_time = time.monotonic()
            dt = after_time - before_time
            if dt >= TIMEOUT_HALF:
                raise Exception("%s >= %s" % (dt, TIMEOUT_HALF))
        rrrfrIs rtest_wakeup_fd_earlyz&WakeupSignalTests.test_wakeup_fd_earlys>^^?	rcD|jdtjy)Na`def test():
            import select
            import time

            TIMEOUT_FULL = 10
            TIMEOUT_HALF = 5

            class InterruptSelect(Exception):
                pass

            def handler(signum, frame):
                raise InterruptSelect
            signal.signal(signal.SIGALRM, handler)

            signal.alarm(1)
            before_time = time.monotonic()
            # We attempt to get a signal during the select call
            try:
                select.select([read], [], [], TIMEOUT_FULL)
            except InterruptSelect:
                pass
            else:
                raise Exception("select() was not interrupted")
            after_time = time.monotonic()
            dt = after_time - before_time
            if dt >= TIMEOUT_HALF:
                raise Exception("%s >= %s" % (dt, TIMEOUT_HALF))
        rrIs rtest_wakeup_fd_duringz'WakeupSignalTests.test_wakeup_fd_durings6^^7	rcb|jdtjtjy)Nzdef test():
            signal.signal(signal.SIGUSR1, handler)
            signal.raise_signal(signal.SIGUSR1)
            signal.raise_signal(signal.SIGALRM)
        )rrrMrfrIs rtest_signumzWakeupSignalTests.test_signums$^^V^^		-rpthread_sigmaskneed signal.pthread_sigmask()cf|jdtjtjdy)Nadef test():
            signum1 = signal.SIGUSR1
            signum2 = signal.SIGUSR2

            signal.signal(signum1, handler)
            signal.signal(signum2, handler)

            signal.pthread_sigmask(signal.SIG_BLOCK, (signum1, signum2))
            signal.raise_signal(signum1)
            signal.raise_signal(signum2)
            # Unblocking the 2 signals calls the C signal handler twice
            signal.pthread_sigmask(signal.SIG_UNBLOCK, (signum1, signum2))
        Fr)rrrMSIGUSR2rIs rtest_pendingzWakeupSignalTests.test_pendings-	
nnfnne		=r)r;r8r<r}r	_testcapirr~rr\rrrrrrr!rrrr!sX__Y$&(898<$%:$%LX__Y$&(89XV,.BC1%D:1%f D<-X):;8:
=:
=rr
socketpairzneed socket.socketpairceZdZejeduddZejeduddZejeduddZy)WakeupSocketSignalTestsNrc d}td|y)Naif 1:
        import signal
        import socket
        import struct
        import _testcapi

        signum = signal.SIGINT
        signals = (signum,)

        def handler(signum, frame):
            pass

        signal.signal(signum, handler)

        read, write = socket.socketpair()
        write.setblocking(False)
        signal.set_wakeup_fd(write.fileno())

        signal.raise_signal(signum)

        data = read.recv(1)
        if not data:
            raise Exception("no signum written")
        raised = struct.unpack('B', data)
        if raised != signals:
            raise Exception("%r != %r" % (raised, signals))

        read.close()
        write.close()
        rrrr.rs  rtest_socketz#WakeupSocketSignalTests.test_sockets>	t$rcptjdk(rd}nd}dj|}td|y)Nntsendra+if 1:
        import errno
        import signal
        import socket
        import sys
        import time
        import _testcapi
        from test.support import captured_stderr

        signum = signal.SIGINT

        def handler(signum, frame):
            pass

        signal.signal(signum, handler)

        read, write = socket.socketpair()
        read.setblocking(False)
        write.setblocking(False)

        signal.set_wakeup_fd(write.fileno())

        # Close sockets: send() will fail
        read.close()
        write.close()

        with captured_stderr() as err:
            signal.raise_signal(signum)

        err = err.getvalue()
        if ('Exception ignored when trying to {action} to the signal wakeup fd'
            not in err):
            raise AssertionError(err)
        actionrrr\rrrr.rrs   rtest_send_errorz'WakeupSocketSignalTests.test_send_errors@77d?FF!B
F&F!C	
D	t$rcptjdk(rd}nd}dj|}td|y)NrrraJ
if 1:
        import errno
        import signal
        import socket
        import sys
        import time
        import _testcapi
        from test.support import captured_stderr

        signum = signal.SIGINT

        # This handler will be called, but we intentionally won't read from
        # the wakeup fd.
        def handler(signum, frame):
            pass

        signal.signal(signum, handler)

        read, write = socket.socketpair()

        # Fill the socketpair buffer
        if sys.platform == 'win32':
            # bpo-34130: On Windows, sometimes non-blocking send fails to fill
            # the full socketpair buffer, so use a timeout of 50 ms instead.
            write.settimeout(0.050)
        else:
            write.setblocking(False)

        written = 0
        if sys.platform == "vxworks":
            CHUNK_SIZES = (1,)
        else:
            # Start with large chunk size to reduce the
            # number of send needed to fill the buffer.
            CHUNK_SIZES = (2 ** 16, 2 ** 8, 1)
        for chunk_size in CHUNK_SIZES:
            chunk = b"x" * chunk_size
            try:
                while True:
                    write.send(chunk)
                    written += chunk_size
            except (BlockingIOError, TimeoutError):
                pass

        print(f"%s bytes written into the socketpair" % written, flush=True)

        write.setblocking(False)
        try:
            write.send(b"x")
        except BlockingIOError:
            # The socketpair buffer seems full
            pass
        else:
            raise AssertionError("%s bytes failed to fill the socketpair "
                                 "buffer" % written)

        # By default, we get a warning when a signal arrives
        msg = ('Exception ignored when trying to {action} '
               'to the signal wakeup fd')
        signal.set_wakeup_fd(write.fileno())

        with captured_stderr() as err:
            signal.raise_signal(signum)

        err = err.getvalue()
        if msg not in err:
            raise AssertionError("first set_wakeup_fd() test failed, "
                                 "stderr: %r" % err)

        # And also if warn_on_full_buffer=True
        signal.set_wakeup_fd(write.fileno(), warn_on_full_buffer=True)

        with captured_stderr() as err:
            signal.raise_signal(signum)

        err = err.getvalue()
        if msg not in err:
            raise AssertionError("set_wakeup_fd(warn_on_full_buffer=True) "
                                 "test failed, stderr: %r" % err)

        # But not if warn_on_full_buffer=False
        signal.set_wakeup_fd(write.fileno(), warn_on_full_buffer=False)

        with captured_stderr() as err:
            signal.raise_signal(signum)

        err = err.getvalue()
        if err != "":
            raise AssertionError("set_wakeup_fd(warn_on_full_buffer=False) "
                                 "test failed, stderr: %r" % err)

        # And then check the default again, to make sure warn_on_full_buffer
        # settings don't leak across calls.
        signal.set_wakeup_fd(write.fileno())

        with captured_stderr() as err:
            signal.raise_signal(signum)

        err = err.getvalue()
        if msg not in err:
            raise AssertionError("second set_wakeup_fd() test failed, "
                                 "stderr: %r" % err)

        rrrrrs   rtest_warn_on_full_bufferz0WakeupSocketSignalTests.test_warn_on_full_buffer*sA77d?FFgN
F&F!O	
P	t$r)	r;r8r<r}rrrrrr!rrrrs{X__Y$&(89!%:!%FX__Y$&(89(%:(%TX__Y$&(89n%:n%rrsiginterruptzneeds signal.siginterrupt()rrcNeZdZdZdZdZejddZy)SiginterruptTestcd|d}td|5}	|jj}|jtj
\}}||z}|j
}|dvrtd|d||dk(cd	d	d	S#tj$r|jYd	d	d	y
wxYw#1swYy	xYw)zPerform a read during which a signal will arrive.  Return True if the
        read is interrupted by the signal and raises an exception.  Return False
        if it returns normally.
        zif 1:
            import errno
            import os
            import signal
            import sys

            interrupt = aq
            r, w = os.pipe()

            def handler(signum, frame):
                1 / 0

            signal.signal(signal.SIGALRM, handler)
            if interrupt is not None:
                signal.siginterrupt(signal.SIGALRM, interrupt)

            print("ready")
            sys.stdout.flush()

            # run the test twice
            try:
                for loop in range(2):
                    # send a SIGALRM in a second (during the read)
                    signal.alarm(1)
                    try:
                        # blocking call: read from a pipe without data
                        os.read(r, 1)
                    except ZeroDivisionError:
                        pass
                    else:
                        sys.exit(2)
                sys.exit(3)
            finally:
                os.close(r)
                os.close(w)
        rr)timeout)Child error (exit code ): rNF)rstdoutreadlinecommunicater
SHORT_TIMEOUTwait	ExceptionrvTimeoutExpiredkill)r.	interruptrr{
first_linerrtexitcodes        rreadpipe_interruptedz%SiginterruptTest.readpipe_interruptedsTG#H$
%	'
'$^^446
!(!4!4W=R=R!4!S
$f,"<<>6)#'/%9:: A
	'	',,
	'	'

	'	's.B;=B
.B;
#B8-B;7B88B;;CcH|jd}|j|yr@r
rr.interrupteds  rtest_without_siginterruptz*SiginterruptTest.test_without_siginterrupt //5$rcH|jd}|j|yNTrr
s  rtest_siginterrupt_onz%SiginterruptTest.test_siginterrupt_onrrwalltimecH|jd}|j|y)NF)r
assertFalser
s  rtest_siginterrupt_offz&SiginterruptTest.test_siginterrupt_offs"
//6%rN)	r;r8r<r
rrrrequires_resourcerr!rrrrs3:'x%%Wz*&+&rr	getitimer	setitimerz/needs signal.getitimer() and signal.setitimer()ceZdZdZdZdZdZdZdZdZ	e
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hndl_countitimerrrfsig_alrm	old_alarmrIs rsetUpzItimerTest.setUps2 v~~t}}Erctjtj|j|j!tj|jdyy)Nr)rrfr"r rrIs rtearDownzItimerTest.tearDowns;

fnndnn5;;"T[[!,#rcd|_yr)rrAs  rr!zItimerTest.sig_alrms
rcd|_|jdkDrtjd|jdk(r$tjtj
d|xjdz
c_y)NTrz.setitimer didn't disable ITIMER_VIRTUAL timer.r)rrrItimerErrorrITIMER_VIRTUALrAs  r
sig_vtalrmzItimerTest.sig_vtalrms^??Q$$&

__
!V22A61rcZd|_tjtjdy)NTr)rrrITIMER_PROFrAs  rsig_profzItimerTest.sig_profs ++Q/rcd|jtjtjddy)Nrr)rErr)rITIMER_REALrIs rtest_itimer_exczItimerTest.test_itimer_excs'	
&,,f.>.>AFrctj|_tj|jdtj|j|jdy)Ng?T)rr0r rpauser'rrIs rtest_itimer_realzItimerTest.test_itimer_real"sB((c*))40r)netbsd5zDitimer not reliable (does not mix well with threading) on some BSDs.ctj|_tjtj|jtj
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busy_retryLONG_TIMEOUTpowrr'rr._s  rtest_itimer_virtualzItimerTest.test_itimer_virtual)s++

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))40rN)r;r8r<r#r%r!r+r.r1r4r}rr(r)rCrFrKr!rrrrs`F- 0H1X__S\\\1NP1P1"1"1rrceZdZdZej
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jdZy)PendingSignalsTestsz[
    Test pthread_sigmask(), pthread_kill(), sigpending() and sigwait()
    functions.
    
sigpendingzneed signal.sigpending()c\|jtjtyr@)r'rrNrerIs rtest_sigpending_emptyz)PendingSignalsTests.test_sigpending_empty\s	
**,ce4rrrc d}td|y)Na
if 1:
            import os
            import signal

            def handler(signum, frame):
                1/0

            signum = signal.SIGUSR1
            signal.signal(signum, handler)

            signal.pthread_sigmask(signal.SIG_BLOCK, [signum])
            os.kill(os.getpid(), signum)
            pending = signal.sigpending()
            for sig in pending:
                assert isinstance(sig, signal.Signals), repr(pending)
            if pending != {signum}:
                raise Exception('%s != {%s}' % (pending, signum))
            try:
                signal.pthread_sigmask(signal.SIG_UNBLOCK, [signum])
            except ZeroDivisionError:
                pass
            else:
                raise Exception("ZeroDivisionError not raised")
        rrrrs  rtest_sigpendingz#PendingSignalsTests.test_sigpendingas
0	t$rpthread_killzneed signal.pthread_kill()c d}td|y)Naif 1:
            import signal
            import threading
            import sys

            signum = signal.SIGUSR1

            def handler(signum, frame):
                1/0

            signal.signal(signum, handler)

            tid = threading.get_ident()
            try:
                signal.pthread_kill(tid, signum)
            except ZeroDivisionError:
                pass
            else:
                raise Exception("ZeroDivisionError not raised")
        rrrrs  rtest_pthread_killz%PendingSignalsTests.test_pthread_kills(	t$rcJd|jd|d}td|y)zo
        test: body of the "def test(signum):" function.
        blocked: number of the blocked signal
        zif 1:
        import signal
        import sys
        from signal import Signals

        def handler(signum, frame):
            1/0

        z

        blocked = a
        signum = signal.SIGALRM

        # child: block and wait the signal
        try:
            signal.signal(signum, handler)
            signal.pthread_sigmask(signal.SIG_BLOCK, [blocked])

            # Do the tests
            test(signum)

            # The handler must not be called on unblock
            try:
                signal.pthread_sigmask(signal.SIG_UNBLOCK, [blocked])
            except ZeroDivisionError:
                print("the signal handler has been called",
                      file=sys.stderr)
                sys.exit(1)
        except BaseException as err:
            print("error: {}".format(err), file=sys.stderr)
            sys.stderr.flush()
            sys.exit(1)
        rrN)stripr)r.blockedtestrs    rwait_helperzPendingSignalsTests.wait_helpers%Nzz|WA &J	t$rsigwaitzneed signal.sigwait()cD|jtjdy)Na 
        def test(signum):
            signal.alarm(1)
            received = signal.sigwait([signum])
            assert isinstance(received, signal.Signals), received
            if received != signum:
                raise Exception('received %s, not %s' % (received, signum))
        rZrrfrIs rtest_sigwaitz PendingSignalsTests.test_sigwaits	
*	
rsigwaitinfozneed signal.sigwaitinfo()cD|jtjdy)Nz
        def test(signum):
            signal.alarm(1)
            info = signal.sigwaitinfo([signum])
            if info.si_signo != signum:
                raise Exception("info.si_signo != %s" % signum)
        r]rIs rtest_sigwaitinfoz$PendingSignalsTests.test_sigwaitinfo	
*	
rsigtimedwaitzneed signal.sigtimedwait()cD|jtjdy)Nz
        def test(signum):
            signal.alarm(1)
            info = signal.sigtimedwait([signum], 10.1000)
            if info.si_signo != signum:
                raise Exception('info.si_signo != %s' % signum)
        r]rIs rtest_sigtimedwaitz%PendingSignalsTests.test_sigtimedwaitrbrcD|jtjdy)Nz
        def test(signum):
            import os
            os.kill(os.getpid(), signum)
            info = signal.sigtimedwait([signum], 0)
            if info.si_signo != signum:
                raise Exception('info.si_signo != %s' % signum)
        r]rIs rtest_sigtimedwait_pollz*PendingSignalsTests.test_sigtimedwait_polls	
*	
rcD|jtjdy)Nz
        def test(signum):
            received = signal.sigtimedwait([signum], 1.0)
            if received is not None:
                raise Exception("received=%r" % (received,))
        r]rIs rtest_sigtimedwait_timeoutz-PendingSignalsTests.test_sigtimedwait_timeouts	
*	
rcrtj}|jttj|gdy)Ng)rrfrErFrc)r.rns  r"test_sigtimedwait_negative_timeoutz6PendingSignalsTests.test_sigtimedwait_negative_timeouts)*f&9&9F8TJrctddy)Nrraif True:
            import os, threading, sys, time, signal

            # the default handler terminates the process
            signum = signal.SIGUSR1

            def kill_later():
                # wait until the main thread is waiting in sigwait()
                time.sleep(1)
                os.kill(os.getpid(), signum)

            # the signal must be blocked by all the threads
            signal.pthread_sigmask(signal.SIG_BLOCK, [signum])
            killer = threading.Thread(target=kill_later)
            killer.start()
            received = signal.sigwait([signum])
            if received != signum:
                print("sigwait() received %s, not %s" % (received, signum),
                      file=sys.stderr)
                sys.exit(1)
            killer.join()
            # unblock the signal, which should have been cleared by sigwait()
            signal.pthread_sigmask(signal.SIG_UNBLOCK, [signum])
        rrIs rtest_sigwait_threadz'PendingSignalsTests.test_sigwait_threads	 	
rc,|jttj|jttjd|jttjddd|jttjdg|jt
5tjtjtjgddd|jt
5tjtjdgddd|jt
5tjtjddzgdddy#1swYxYw#1swY\xYw#1swYyxYw)Nr(rriri)rErLrrrrFr
rhrIs rtest_pthread_sigmask_argumentsz2PendingSignalsTests.test_pthread_sigmask_arguments*s/	
)V%;%;<)V%;%;Q?)V%;%;Q1E'6#9#94D


z
*	D""6#3#3fkk]C	D


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*	:""6#3#3aS9	:


z
*	@""6#3#3agY?	@	@		D	D	:	:	@	@s$,4E2=&E>)F
2E;>F
Fctjtjtj}|j	tjtj
|tjtjtj}|j|tjyr@)rrr
rcrrrassertLessEqualrs  r"test_pthread_sigmask_valid_signalsz6PendingSignalsTests.test_pthread_sigmask_valid_signals8s{
""6#3#3V5I5I5KL..0B0BAF""6#5#5v7K7K7MNQ 4 4 67rc d}td|y)Na-	if 1:
        import signal
        import os; import threading

        def handler(signum, frame):
            1/0

        def kill(signum):
            os.kill(os.getpid(), signum)

        def check_mask(mask):
            for sig in mask:
                assert isinstance(sig, signal.Signals), repr(sig)

        def read_sigmask():
            sigmask = signal.pthread_sigmask(signal.SIG_BLOCK, [])
            check_mask(sigmask)
            return sigmask

        signum = signal.SIGUSR1

        # Install our signal handler
        old_handler = signal.signal(signum, handler)

        # Unblock SIGUSR1 (and copy the old mask) to test our signal handler
        old_mask = signal.pthread_sigmask(signal.SIG_UNBLOCK, [signum])
        check_mask(old_mask)
        try:
            kill(signum)
        except ZeroDivisionError:
            pass
        else:
            raise Exception("ZeroDivisionError not raised")

        # Block and then raise SIGUSR1. The signal is blocked: the signal
        # handler is not called, and the signal is now pending
        mask = signal.pthread_sigmask(signal.SIG_BLOCK, [signum])
        check_mask(mask)
        kill(signum)

        # Check the new mask
        blocked = read_sigmask()
        check_mask(blocked)
        if signum not in blocked:
            raise Exception("%s not in %s" % (signum, blocked))
        if old_mask ^ blocked != {signum}:
            raise Exception("%s ^ %s != {%s}" % (old_mask, blocked, signum))

        # Unblock SIGUSR1
        try:
            # unblock the pending signal calls immediately the signal handler
            signal.pthread_sigmask(signal.SIG_UNBLOCK, [signum])
        except ZeroDivisionError:
            pass
        else:
            raise Exception("ZeroDivisionError not raised")
        try:
            kill(signum)
        except ZeroDivisionError:
            pass
        else:
            raise Exception("ZeroDivisionError not raised")

        # Check the new mask
        unblocked = read_sigmask()
        if signum in unblocked:
            raise Exception("%s in %s" % (signum, unblocked))
        if blocked ^ unblocked != {signum}:
            raise Exception("%s ^ %s != {%s}" % (blocked, unblocked, signum))
        if old_mask != unblocked:
            raise Exception("%s != %s" % (old_mask, unblocked))
        rrrrs  rtest_pthread_sigmaskz(PendingSignalsTests.test_pthread_sigmaskAsGP	t$rcd}td|5}|j\}}|j}|dk7rtd|d|	dddy#1swYyxYw)Na7if True:
            import threading
            import signal
            import sys

            def handler(signum, frame):
                sys.exit(3)

            signal.signal(signal.SIGUSR1, handler)
            signal.pthread_kill(threading.get_ident(), signal.SIGUSR1)
            sys.exit(2)
        rrrrr)rrrr)r.rr{rrtr	s      rtest_pthread_kill_main_threadz1PendingSignalsTests.test_pthread_kill_main_threadsl$
%	4$002NFF||~H1}!)6!344	4	4	4s:AAN)r;r8r<__doc__r}r~rrrPrRrrequires_working_threadingrUrZr^rarergrirkrmrorrrtrvr!rrrMrMWsJX635555X):;8:X635%5:%6X8570002%37%.X):;8:*%:*%XX302
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@:
@X):;8:8:8X):;8:0002I%3:I%VX85700024374rrMc
eZdZdZdZdZdZeje	e
dddZeje	e
dddZeje	e
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jdZy)
StressTestz
    Stress signal delivery, especially when a signal arrives in
    the middle of recomputing the signal state or executing
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    crtj||}|jtj||yr@)rr)r.rnrold_handlers    rsetsigzStressTest.setsigs&mmFG4

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statisticsmedianrverboseprint)r.ri	durationsmedrrs     @@rmeasure_itimer_resolutionz$StressTest.measure_itimer_resolutions	;	
((&*<*<a@FNNG,	%j1nJJt%j1n5:#e*q.4IJqU1Q3Z%(*J	J	*??@C6IJ
	Ks/C<cf|j}|dkry|dkry|jd|fzy)Ng-C6?i'g{Gz?dz^detected itimer resolution (%.3f s.) too high (> 10 ms.) on this platform (or system too busy))rr)r.resos  rdecide_itimer_countzStressTest.decide_itimer_countsB--/4<
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%rrztest needs setitimer()c|j}gd}dfd	}|jtj||jtj||jtj
|d}t
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        This test uses dependent signal handlers.
        c|tjtjdtjdzzy)NrHh㈵>)rrr0random)rnrs  r
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$8N1NOrNc(j|yr@rrnrsigss  rsecond_handlerzAStressTest.test_stress_delivery_dependent.<locals>.second_handlerKKrrr(rSome signals were lostr)rr}rrErMrfrI	monotonicrrr\rgetpidrjrJr')r.rrr
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        This test uses simultaneous signal handlers.
        c(j|yr@rrs  rrz=StressTest.test_stress_delivery_simultaneous.<locals>.handlerrrrrHrrrN)rr}rrMrfrr0rr\rrrsleeping_retryrrjr')r.rrrrBrs     @r!test_stress_delivery_simultaneousz,StressTest.test_stress_delivery_simultaneous	s
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syyr)rraise_signal)do_stopnum_sent_signalsrnsrset_interruptszAStressTest.test_stress_modifying_handlers.<locals>.set_interrupts7s$##F+ A% rcdkrDtdD]/}tjfD]}tj|1dkrCyy)Nri N)rrr)rrrrrns  rcycle_handlerszAStressTest.test_stress_modifying_handlers.<locals>.cycle_handlers=sN"S(u7A$2FNN#C7

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old_signalrs   @rtest_handlerzRaiseSignalTest.test_handlerwsY	]]6==':


v}}jAFMM*rcLd}td|\}}}|jd|y)Nzif 1:
        import _thread
        class Foo():
            def __del__(self):
                _thread.interrupt_main()

        x = Foo()
        rrs/OSError: Signal 2 ignored due to race condition)rrW)r.rrcouterrs     rtest__thread_interrupt_mainz+RaiseSignalTest.test__thread_interrupt_mains,(d3C

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jtjk(r|jdn8|j
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