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# SOME DESCRIPTIVE TITLE.
# Copyright (C) 2001 Python Software Foundation
# This file is distributed under the same license as the Python package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
# Translators:
# python-doc bot, 2025
# Inada Naoki <songofacandy@gmail.com>, 2026
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: Python 3.15\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2026-10-25 17:19+0000\n"
"PO-Revision-Date: 2025-09-16 00:00+0000\n"
"Last-Translator: Inada Naoki <songofacandy@gmail.com>, 2026\n"
"Language-Team: Japanese (https://app.transifex.com/python-doc/teams/5390/"
"ja/)\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Language: ja\n"
"Plural-Forms: nplurals=1; plural=0;\n"
msgid "timer file descriptor HOWTO"
msgstr "タイマーファイル記述子 HOWTO"
#: ../../howto/timerfd.rst:0
msgid "Release"
msgstr "リリース"
msgid "1.13"
msgstr "1.13"
msgid ""
"This HOWTO discusses Python's support for the linux timer file descriptor."
msgstr ""
"この HOWTO では、Linux のタイマーファイル記述子を Python で使う方法を説明しま"
"す。"
#: ../../howto/timerfd.rst:13
msgid "Examples"
msgstr "使用例"
msgid ""
"The following example shows how to use a timer file descriptor to execute a "
"function twice a second:"
msgstr ""
"次の例は、タイマーファイル記述子を使って 1 秒に 2 回関数を実行する方法を示し"
"ます。"
msgid ""
"# Practical scripts should use really use a non-blocking timer,\n"
"# we use a blocking timer here for simplicity.\n"
"import os, time\n"
"\n"
"# Create the timer file descriptor\n"
"fd = os.timerfd_create(time.CLOCK_REALTIME)\n"
"\n"
"# Start the timer in 1 second, with an interval of half a second\n"
"os.timerfd_settime(fd, initial=1, interval=0.5)\n"
"\n"
"try:\n"
" # Process timer events four times.\n"
" for _ in range(4):\n"
" # read() will block until the timer expires\n"
" _ = os.read(fd, 8)\n"
" print(\"Timer expired\")\n"
"finally:\n"
" # Remember to close the timer file descriptor!\n"
" os.close(fd)"
msgstr ""
"# 実用的なスクリプトではノンブロッキングのタイマーを使うべきだが、\n"
"# ここでは簡単にするためブロッキングのタイマーを使う。\n"
"import os, time\n"
"\n"
"# タイマーファイル記述子を作成する\n"
"fd = os.timerfd_create(time.CLOCK_REALTIME)\n"
"\n"
"# 1 秒後に初回の満了を迎え、その後は 0.5 秒間隔とする\n"
"os.timerfd_settime(fd, initial=1, interval=0.5)\n"
"\n"
"try:\n"
" # タイマーのイベントを 4 回処理する。\n"
" for _ in range(4):\n"
" # タイマーが満了するまで read() はブロックする\n"
" _ = os.read(fd, 8)\n"
" print(\"Timer expired\")\n"
"finally:\n"
" # 忘れずにタイマーファイル記述子を閉じる。\n"
" os.close(fd)"
msgid ""
"To avoid the precision loss caused by the :class:`float` type, timer file "
"descriptors allow specifying initial expiration and interval in integer "
"nanoseconds with ``_ns`` variants of the functions."
msgstr ""
":class:`float` 型による精度の低下を避けるため、タイマーファイル記述子の関数に"
"は ``_ns`` 版が用意されています。\n"
"これらを使うと、最初にタイマーが満了するまでの時間と間隔を、整数のナノ秒単位"
"で指定できます。"
msgid ""
"This example shows how :func:`~select.epoll` can be used with timer file "
"descriptors to wait until the file descriptor is ready for reading:"
msgstr ""
"この例は、タイマーファイル記述子と :func:`~select.epoll` を組み合わせ、ファイ"
"ル記述子が読み取り可能になるまで待つ方法を示します。"
msgid ""
"import os, time, select, socket, sys\n"
"\n"
"# Create an epoll object\n"
"ep = select.epoll()\n"
"\n"
"# In this example, use loopback address to send \"stop\" command to the "
"server.\n"
"#\n"
"# $ telnet 127.0.0.1 1234\n"
"# Trying 127.0.0.1...\n"
"# Connected to 127.0.0.1.\n"
"# Escape character is '^]'.\n"
"# stop\n"
"# Connection closed by foreign host.\n"
"#\n"
"sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n"
"sock.bind((\"127.0.0.1\", 1234))\n"
"sock.setblocking(False)\n"
"sock.listen(1)\n"
"ep.register(sock, select.EPOLLIN)\n"
"\n"
"# Create timer file descriptors in non-blocking mode.\n"
"num = 3\n"
"fds = []\n"
"for _ in range(num):\n"
" fd = os.timerfd_create(time.CLOCK_REALTIME, flags=os.TFD_NONBLOCK)\n"
" fds.append(fd)\n"
" # Register the timer file descriptor for read events\n"
" ep.register(fd, select.EPOLLIN)\n"
"\n"
"# Start the timer with os.timerfd_settime_ns() in nanoseconds.\n"
"# Timer 1 fires every 0.25 seconds; timer 2 every 0.5 seconds; etc\n"
"for i, fd in enumerate(fds, start=1):\n"
" one_sec_in_nsec = 10**9\n"
" i = i * one_sec_in_nsec\n"
" os.timerfd_settime_ns(fd, initial=i//4, interval=i//4)\n"
"\n"
"timeout = 3\n"
"try:\n"
" conn = None\n"
" is_active = True\n"
" while is_active:\n"
" # Wait for the timer to expire for 3 seconds.\n"
" # epoll.poll() returns a list of (fd, event) pairs.\n"
" # fd is a file descriptor.\n"
" # sock and conn[=returned value of socket.accept()] are socket "
"objects, not file descriptors.\n"
" # So use sock.fileno() and conn.fileno() to get the file "
"descriptors.\n"
" events = ep.poll(timeout)\n"
"\n"
" # If more than one timer file descriptors are ready for reading at "
"once,\n"
" # epoll.poll() returns a list of (fd, event) pairs.\n"
" #\n"
" # In this example settings,\n"
" # 1st timer fires every 0.25 seconds in 0.25 seconds. (0.25, 0.5, "
"0.75, 1.0, ...)\n"
" # 2nd timer every 0.5 seconds in 0.5 seconds. (0.5, 1.0, 1.5, "
"2.0, ...)\n"
" # 3rd timer every 0.75 seconds in 0.75 seconds. (0.75, 1.5, 2.25, "
"3.0, ...)\n"
" #\n"
" # In 0.25 seconds, only 1st timer fires.\n"
" # In 0.5 seconds, 1st timer and 2nd timer fires at once.\n"
" # In 0.75 seconds, 1st timer and 3rd timer fires at once.\n"
" # In 1.5 seconds, 1st timer, 2nd timer and 3rd timer fires at "
"once.\n"
" #\n"
" # If a timer file descriptor is signaled more than once since\n"
" # the last os.read() call, os.read() returns the number of signaled\n"
" # as host order of class bytes.\n"
" print(f\"Signaled events={events}\")\n"
" for fd, event in events:\n"
" if event & select.EPOLLIN:\n"
" if fd == sock.fileno():\n"
" # Check if there is a connection request.\n"
" print(f\"Accepting connection {fd}\")\n"
" conn, addr = sock.accept()\n"
" conn.setblocking(False)\n"
" print(f\"Accepted connection {conn} from {addr}\")\n"
" ep.register(conn, select.EPOLLIN)\n"
" elif conn and fd == conn.fileno():\n"
" # Check if there is data to read.\n"
" print(f\"Reading data {fd}\")\n"
" data = conn.recv(1024)\n"
" if data:\n"
" # You should catch UnicodeDecodeError exception for "
"safety.\n"
" cmd = data.decode()\n"
" if cmd.startswith(\"stop\"):\n"
" print(f\"Stopping server\")\n"
" is_active = False\n"
" else:\n"
" print(f\"Unknown command: {cmd}\")\n"
" else:\n"
" # No more data, close connection\n"
" print(f\"Closing connection {fd}\")\n"
" ep.unregister(conn)\n"
" conn.close()\n"
" conn = None\n"
" elif fd in fds:\n"
" print(f\"Reading timer {fd}\")\n"
" count = int.from_bytes(os.read(fd, 8), "
"byteorder=sys.byteorder)\n"
" print(f\"Timer {fds.index(fd) + 1} expired {count} "
"times\")\n"
" else:\n"
" print(f\"Unknown file descriptor {fd}\")\n"
"finally:\n"
" for fd in fds:\n"
" ep.unregister(fd)\n"
" os.close(fd)\n"
" ep.close()"
msgstr ""
"import os, time, select, socket, sys\n"
"\n"
"# epoll オブジェクトを作成する\n"
"ep = select.epoll()\n"
"\n"
"# この例ではループバックアドレスでサーバーに \"stop\" コマンドを送る。\n"
"#\n"
"# $ telnet 127.0.0.1 1234\n"
"# Trying 127.0.0.1...\n"
"# Connected to 127.0.0.1.\n"
"# Escape character is '^]'.\n"
"# stop\n"
"# Connection closed by foreign host.\n"
"#\n"
"sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n"
"sock.bind((\"127.0.0.1\", 1234))\n"
"sock.setblocking(False)\n"
"sock.listen(1)\n"
"ep.register(sock, select.EPOLLIN)\n"
"\n"
"# ノンブロッキングモードでタイマーファイル記述子を作成する。\n"
"num = 3\n"
"fds = []\n"
"for _ in range(num):\n"
" fd = os.timerfd_create(time.CLOCK_REALTIME, flags=os.TFD_NONBLOCK)\n"
" fds.append(fd)\n"
" # タイマーファイル記述子を読み取りイベント用に登録する\n"
" ep.register(fd, select.EPOLLIN)\n"
"\n"
"# os.timerfd_settime_ns() でナノ秒単位の時間を指定してタイマーを開始する。\n"
"# タイマー 1 は 0.25 秒間隔、タイマー 2 は 0.5 秒間隔、以下も同様。\n"
"for i, fd in enumerate(fds, start=1):\n"
" one_sec_in_nsec = 10**9\n"
" i = i * one_sec_in_nsec\n"
" os.timerfd_settime_ns(fd, initial=i//4, interval=i//4)\n"
"\n"
"timeout = 3\n"
"try:\n"
" conn = None\n"
" is_active = True\n"
" while is_active:\n"
" # タイマーの満了を最大 3 秒待つ。\n"
" # epoll.poll() は (fd, event) のペアのリストを返す。\n"
" # fd はファイル記述子。\n"
" # sock と conn [socket.accept() の戻り値] はファイル記述子ではなくソ"
"ケットオブジェクト。\n"
" # そのため、ファイル記述子は sock.fileno() と conn.fileno() で取得す"
"る。\n"
" events = ep.poll(timeout)\n"
"\n"
" # 複数のタイマーファイル記述子が同時に読み取り可能になった場合、\n"
" # epoll.poll() は (fd, event) のペアのリストを返す。\n"
" #\n"
" # この例の設定では、\n"
" # 第 1 タイマーは 0.25 秒後から 0.25 秒間隔で満了する。(0.25, "
"0.5, 0.75, 1.0, ...)\n"
" # 第 2 タイマーは 0.5 秒後から 0.5 秒間隔。(0.5, 1.0, 1.5, "
"2.0, ...)\n"
" # 第 3 タイマーは 0.75 秒後から 0.75 秒間隔。(0.75, 1.5, 2.25, "
"3.0, ...)\n"
" #\n"
" # 0.25 秒後には第 1 タイマーだけが満了する。\n"
" # 0.5 秒後には第 1 タイマーと第 2 タイマーが同時に満了する。\n"
" # 0.75 秒後には第 1 タイマーと第 3 タイマーが同時に満了する。\n"
" # 1.5 秒後には第 1、第 2、第 3 タイマーが同時に満了する。\n"
" #\n"
" # タイマーファイル記述子が前回の os.read() の呼び出し以降に\n"
" # 複数回通知された場合、os.read() は通知回数を\n"
" # ホストのバイト順の bytes オブジェクトとして返す。\n"
" print(f\"Signaled events={events}\")\n"
" for fd, event in events:\n"
" if event & select.EPOLLIN:\n"
" if fd == sock.fileno():\n"
" # 接続要求があるか確認する。\n"
" print(f\"Accepting connection {fd}\")\n"
" conn, addr = sock.accept()\n"
" conn.setblocking(False)\n"
" print(f\"Accepted connection {conn} from {addr}\")\n"
" ep.register(conn, select.EPOLLIN)\n"
" elif conn and fd == conn.fileno():\n"
" # 読み取るデータがあるか確認する。\n"
" print(f\"Reading data {fd}\")\n"
" data = conn.recv(1024)\n"
" if data:\n"
" # 安全のため、UnicodeDecodeError 例外を捕捉するべ"
"き。\n"
" cmd = data.decode()\n"
" if cmd.startswith(\"stop\"):\n"
" print(f\"Stopping server\")\n"
" is_active = False\n"
" else:\n"
" print(f\"Unknown command: {cmd}\")\n"
" else:\n"
" # これ以上データがないので接続を閉じる\n"
" print(f\"Closing connection {fd}\")\n"
" ep.unregister(conn)\n"
" conn.close()\n"
" conn = None\n"
" elif fd in fds:\n"
" print(f\"Reading timer {fd}\")\n"
" count = int.from_bytes(os.read(fd, 8), "
"byteorder=sys.byteorder)\n"
" print(f\"Timer {fds.index(fd) + 1} expired {count} "
"times\")\n"
" else:\n"
" print(f\"Unknown file descriptor {fd}\")\n"
"finally:\n"
" for fd in fds:\n"
" ep.unregister(fd)\n"
" os.close(fd)\n"
" ep.close()"
msgid ""
"This example shows how :func:`~select.select` can be used with timer file "
"descriptors to wait until the file descriptor is ready for reading:"
msgstr ""
"この例は、タイマーファイル記述子と :func:`~select.select` を組み合わせ、ファ"
"イル記述子が読み取り可能になるまで待つ方法を示します。"
#: ../../howto/timerfd.rst:156
msgid ""
"import os, time, select, socket, sys\n"
"\n"
"# In this example, use loopback address to send \"stop\" command to the "
"server.\n"
"#\n"
"# $ telnet 127.0.0.1 1234\n"
"# Trying 127.0.0.1...\n"
"# Connected to 127.0.0.1.\n"
"# Escape character is '^]'.\n"
"# stop\n"
"# Connection closed by foreign host.\n"
"#\n"
"sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n"
"sock.bind((\"127.0.0.1\", 1234))\n"
"sock.setblocking(False)\n"
"sock.listen(1)\n"
"\n"
"# Create timer file descriptors in non-blocking mode.\n"
"num = 3\n"
"fds = [os.timerfd_create(time.CLOCK_REALTIME, flags=os.TFD_NONBLOCK)\n"
" for _ in range(num)]\n"
"select_fds = fds + [sock]\n"
"\n"
"# Start the timers with os.timerfd_settime() in seconds.\n"
"# Timer 1 fires every 0.25 seconds; timer 2 every 0.5 seconds; etc\n"
"for i, fd in enumerate(fds, start=1):\n"
" os.timerfd_settime(fd, initial=i/4, interval=i/4)\n"
"\n"
"timeout = 3\n"
"try:\n"
" conn = None\n"
" is_active = True\n"
" while is_active:\n"
" # Wait for the timer to expire for 3 seconds.\n"
" # select.select() returns a list of file descriptors or objects.\n"
" rfd, wfd, xfd = select.select(select_fds, select_fds, select_fds, "
"timeout)\n"
" for fd in rfd:\n"
" if fd == sock:\n"
" # Check if there is a connection request.\n"
" print(f\"Accepting connection {fd}\")\n"
" conn, addr = sock.accept()\n"
" conn.setblocking(False)\n"
" print(f\"Accepted connection {conn} from {addr}\")\n"
" select_fds.append(conn)\n"
" elif conn and fd == conn:\n"
" # Check if there is data to read.\n"
" print(f\"Reading data {fd}\")\n"
" data = conn.recv(1024)\n"
" if data:\n"
" # You should catch UnicodeDecodeError exception for "
"safety.\n"
" cmd = data.decode()\n"
" if cmd.startswith(\"stop\"):\n"
" print(f\"Stopping server\")\n"
" is_active = False\n"
" else:\n"
" print(f\"Unknown command: {cmd}\")\n"
" else:\n"
" # No more data, close connection\n"
" print(f\"Closing connection {fd}\")\n"
" select_fds.remove(conn)\n"
" conn.close()\n"
" conn = None\n"
" elif fd in fds:\n"
" print(f\"Reading timer {fd}\")\n"
" count = int.from_bytes(os.read(fd, 8), "
"byteorder=sys.byteorder)\n"
" print(f\"Timer {fds.index(fd) + 1} expired {count} times\")\n"
" else:\n"
" print(f\"Unknown file descriptor {fd}\")\n"
"finally:\n"
" for fd in fds:\n"
" os.close(fd)\n"
" sock.close()\n"
" sock = None"
msgstr ""