{"id":1182,"date":"2026-10-23T19:00:00","date_gmt":"2026-10-23T10:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=1182"},"modified":"2026-10-22T18:38:42","modified_gmt":"2026-10-22T09:38:42","slug":"qs-pidfd-stable-process-reference-20261022","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=1182","title":{"rendered":"Linux\u306epidfd\u3001PID\u304c\u518d\u5229\u7528\u3055\u308c\u3066\u3082\u5225\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u6307\u3055\u306a\u3044\u4ed5\u7d44\u307f"},"content":{"rendered":"<p>\u505c\u6b62\u3057\u305f\u3044\u30d7\u30ed\u30bb\u30b9\u306ePID\u3092\u8abf\u3079\u3001\u5c11\u3057\u5f8c\u3067\u305d\u306e\u756a\u53f7\u3078\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u308b\u3002\u3053\u306e\u77ed\u3044\u9593\u306b\u3082\u3001\u76f8\u624b\u304c\u7d42\u4e86\u3057\u3001\u540c\u3058PID\u304c\u5225\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u756a\u53f7\u304c\u540c\u3058\u3067\u3082\u3001\u76f8\u624b\u307e\u3067\u540c\u3058\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>Linux\u306e<code>pidfd<\/code>\u306f\u3001\u7279\u5b9a\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u6307\u3059\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3067\u3059\u3002PID\u3068\u3044\u3046\u756a\u53f7\u3067\u76f8\u624b\u3092\u63a2\u3057\u76f4\u3059\u4ee3\u308f\u308a\u306b\u3001\u53d6\u5f97\u3057\u305f\u53c2\u7167\u3092\u4f7f\u3044\u7d9a\u3051\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3044\u3064\u30fb\u3069\u306e\u76f8\u624b\u306e\u53c2\u7167\u3092\u53d6\u5f97\u3057\u305f\u304b\u3068\u3044\u3046\u554f\u984c\u307e\u3067\u3001\u81ea\u52d5\u3067\u89e3\u6c7a\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<section class=\"influvetor-quick-summary\" aria-label=\"\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>\u6570\u5024\u306ePID\u306f\u3001\u5143\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3057\u3066\u56de\u53ce\u3055\u308c\u305f\u5f8c\u306b\u518d\u5229\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u53e4\u3044\u756a\u53f7\u3060\u3051\u3092\u983c\u308a\u306b\u3059\u308b\u3068\u3001\u5225\u306e\u76f8\u624b\u3078\u64cd\u4f5c\u3059\u308b\u5371\u967a\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>pidfd\u306f\u53d6\u5f97\u3057\u305f\u7279\u5b9a\u306e\u30d7\u30ed\u30bb\u30b9\u3078\u306e\u5b89\u5b9a\u3057\u305f\u53c2\u7167\u3067\u3059\u3002pidfd_send_signal\u306f\u3001\u540c\u3058PID\u3092\u5f8c\u3067\u4f7f\u3046\u5225\u306e\u30d7\u30ed\u30bb\u30b9\u3078\u53c2\u7167\u3092\u5207\u308a\u66ff\u3048\u307e\u305b\u3093\u3002<\/li>\n<li>\u53d6\u5f97\u524d\u306e\u76f8\u624b\u306e\u53d6\u308a\u9055\u3048\u3001\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u308b\u6a29\u9650\u3001\u5b50\u30d7\u30ed\u30bb\u30b9\u306e\u56de\u53ce\u306f\u5225\u306b\u8003\u3048\u307e\u3059\u3002\u300c\u7d42\u4e86\u3092\u76e3\u8996\u3067\u304d\u308b\u300d\u3068\u300c\u305d\u306e\u30d7\u30ed\u30bb\u30b9\u3092wait\u3067\u304d\u308b\u300d\u3082\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u756a\u53f7\u3092\u899a\u3048\u308b\u3053\u3068\u3068\u3001\u76f8\u624b\u3092\u53c2\u7167\u3059\u308b\u3053\u3068<\/h2>\n<p>PID\u306f\u3001\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u8b58\u5225\u3059\u308b\u756a\u53f7\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u305d\u306e\u756a\u53f7\u304c\u6c38\u4e45\u306b\u4e00\u3064\u306e\u30d7\u30ed\u30bb\u30b9\u3078\u56fa\u5b9a\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070\u3001\u76e3\u8996\u30d7\u30ed\u30b0\u30e9\u30e0\u304cPID 42\u306e\u30d7\u30ed\u30bb\u30b9A\u3092\u78ba\u8a8d\u3057\u305f\u5f8c\u3001A\u304c\u7d42\u4e86\u3057\u3066\u56de\u53ce\u3055\u308c\u3001\u30d7\u30ed\u30bb\u30b9B\u307842\u304c\u518d\u5229\u7528\u3055\u308c\u305f\u3068\u3057\u307e\u3059\u3002\u3053\u3053\u3067<code>kill(42, ...)<\/code>\u3092\u547c\u3076\u3068\u3001\u64cd\u4f5c\u306e\u5b9b\u5148\u306fB\u306b\u306a\u308a\u307e\u3059\u3002\u5b9f\u969b\u306b\u30b7\u30b0\u30ca\u30eb\u304c\u9001\u308c\u308b\u304b\u306f\u6a29\u9650\u306a\u3069\u306b\u3082\u4f9d\u5b58\u3057\u307e\u3059\u304c\u3001A\u3092\u6307\u3059\u306f\u305a\u3060\u3063\u305f\u756a\u53f7\u306e\u610f\u5473\u306f\u5909\u308f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><code>pidfd_open(pid, 0)<\/code>\u306f\u3001\u547c\u3073\u51fa\u3057\u305f\u6642\u70b9\u3067\u305d\u306ePID\u304c\u6307\u3059\u30d7\u30ed\u30bb\u30b9\u3078\u306e\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3092\u8fd4\u3057\u307e\u3059\u3002A\u304c\u5b58\u5728\u3059\u308b\u9593\u306bA\u306epidfd\u3092\u78ba\u4fdd\u3057\u3066\u304a\u3051\u3070\u3001\u305d\u306e\u53c2\u7167\u304c\u5f8c\u304b\u3089B\u3078\u3059\u308a\u66ff\u308f\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-pidfd-stable-process-reference-20261022-figure-5ef9b43a5e18.png\" alt=\"A\u306ePID\u304c42\u306e\u9593\u306bpidfd\u3092\u53d6\u5f97\u3002A\u304c\u7d42\u4e86\u3057\u3066\u56de\u53ce\u3055\u308c\u305f\u5f8c\u3001B\u3078PID42\u304c\u518d\u5229\u7528\u3055\u308c\u3066\u3082\u3001\u5143\u306epidfd\u306fB\u3092\u6307\u3055\u306a\u3044\u3002\" style=\"max-width:100%;height:auto\"><figcaption>PID 42\u306f\u8aac\u660e\u7528\u306e\u756a\u53f7\u3067\u3059\u3002A\u3092\u6b63\u3057\u304f\u53c2\u7167\u3067\u304d\u305f\u6642\u70b9\u304b\u3089\u5f8c\u306e\u9055\u3044\u3092\u793a\u3059\u72b6\u614b\u30e2\u30c7\u30eb\u3067\u3001\u5b9f\u969b\u306ePID\u5272\u5f53\u3066\u3092\u6e2c\u5b9a\u3057\u305f\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/figcaption><\/figure>\n<p>\u3053\u306epidfd\u3092<code>pidfd_send_signal<\/code>\u3078\u6e21\u3059\u3068\u3001\u53c2\u7167\u5148\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u308c\u307e\u3059\u3002\u53c2\u7167\u5148\u304c\u7d42\u4e86\u3057\u3066\u56de\u53ce\u6e08\u307f\u306a\u3089\u3001\u5b58\u5728\u3057\u306a\u3044\u3053\u3068\u3092\u793a\u3059<code>ESRCH<\/code>\u306b\u306a\u308a\u307e\u3059\u3002\u540c\u3058\u756a\u53f7\u306eB\u3092\u63a2\u3057\u3066\u9001\u308a\u76f4\u3059\u52d5\u4f5c\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>pidfd\u3092\u958b\u304f\u524d\u306e\u7af6\u5408\u306f\u6b8b\u308b<\/h2>\n<p>\u3053\u3053\u3067\u5927\u4e8b\u306a\u306e\u306f\u3001\u300cA\u306epidfd\u3092\u53d6\u5f97\u3067\u304d\u3066\u3044\u308b\u300d\u3068\u3044\u3046\u524d\u63d0\u3067\u3059\u3002\u5916\u90e8\u304b\u3089\u8aad\u3093\u3060\u53e4\u3044PID\u3092\u9577\u6642\u9593\u4fdd\u6301\u3057\u3001\u305d\u306e\u5f8c\u3067<code>pidfd_open<\/code>\u3092\u547c\u3093\u3060\u306a\u3089\u3001\u305d\u306e\u6642\u70b9\u3067\u3059\u3067\u306b\u756a\u53f7\u304cB\u3078\u518d\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u306b\u53d6\u5f97\u3055\u308c\u308b\u306e\u306fB\u306e\u53c2\u7167\u3067\u3059\u3002<\/p>\n<p>pidfd\u306f\u3001\u53d6\u5f97\u5f8c\u306e\u53c2\u7167\u3092\u5b89\u5b9a\u3055\u305b\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u53e4\u3044PID\u4e00\u89a7\u304b\u3089\u672c\u6765\u306e\u76f8\u624b\u3092\u63a8\u6e2c\u3057\u3066\u304f\u308c\u308b\u4ed5\u7d44\u307f\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u76f8\u624b\u3092\u767a\u898b\u3057\u305f\u6642\u70b9\u3068\u3001\u5b89\u5b9a\u3057\u305f\u53c2\u7167\u3092\u5f97\u308b\u6642\u70b9\u306e\u9593\u306b\u4f55\u304c\u8d77\u304d\u3046\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u81ea\u5206\u304c<code>fork<\/code>\u3057\u305f\u5b50\u306a\u3089\u3001\u7d42\u4e86\u5f8c\u306b\u3082\u56de\u53ce\u5f85\u3061\u306e\u30be\u30f3\u30d3\u72b6\u614b\u304c\u6b8b\u308a\u3001\u305d\u306e\u9593\u306fPID\u304c\u518d\u5229\u7528\u3055\u308c\u306a\u3044\u6027\u8cea\u3092\u4f7f\u3048\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30de\u30cb\u30e5\u30a2\u30eb\u306f\u4fdd\u8a3c\u306e\u6761\u4ef6\u3092\u660e\u793a\u3057\u3066\u3044\u307e\u3059\u3002SIGCHLD\u3092\u660e\u793a\u7684\u306bSIG_IGN\u3078\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3001SA_NOCLDWAIT\u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3001\u5225\u30b9\u30ec\u30c3\u30c9\u3084\u30cf\u30f3\u30c9\u30e9\u306a\u3069\u304c\u5148\u306b\u5b50\u3092\u56de\u53ce\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u4fdd\u8a3c\u304c\u6210\u308a\u7acb\u305f\u306a\u3044\u8a2d\u8a08\u3067\u306f\u3001\u751f\u6210\u6642\u306b<code>CLONE_PIDFD<\/code>\u3092\u4f7f\u3063\u3066\u5b50\u3068\u53c2\u7167\u3092\u4e00\u7dd2\u306b\u5f97\u308b\u65b9\u6cd5\u304c\u6848\u5185\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5358\u306bfork\u306e\u76f4\u5f8c\u306a\u3089\u3044\u3064\u3067\u3082\u5b89\u5168\u3001\u3068\u4e00\u822c\u5316\u305b\u305a\u3001\u7d42\u4e86\u3068\u56de\u53ce\u3092\u8ab0\u304c\u62c5\u5f53\u3059\u308b\u304b\u307e\u3067\u542b\u3081\u3066\u9078\u3073\u307e\u3059\u3002<\/p>\n<h2>\u7d42\u4e86\u306e\u76e3\u8996\u306f\u3067\u304d\u3066\u3082\u3001\u666e\u901a\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u3088\u3046\u306b\u306f\u8aad\u3081\u306a\u3044<\/h2>\n<p>pidfd\u306fpoll\u3001select\u3001epoll\u306e\u76e3\u8996\u5bfe\u8c61\u306b\u3067\u304d\u307e\u3059\u3002\u4eca\u56de\u6271\u3046<code>pidfd_open(pid, 0)<\/code>\u3067\u53d6\u5f97\u3057\u305f\u30d7\u30ed\u30bb\u30b9\u5358\u4f4d\u306e\u53c2\u7167\u3067\u306f\u3001\u30b9\u30ec\u30c3\u30c9\u30b0\u30eb\u30fc\u30d7\u306e\u6700\u5f8c\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u7d42\u4e86\u3057\u305f\u3068\u304d\u306b\u3001\u7d42\u4e86\u3092\u8aad\u307f\u53d6\u308a\u53ef\u80fd\u3068\u3044\u3046\u5f62\u3067\u901a\u77e5\u3057\u307e\u3059\u3002\u30de\u30cb\u30e5\u30a2\u30eb6.19\u3067\u306f\u3001\u30be\u30f3\u30d3\u5316\u3067EPOLLIN\u3001\u56de\u53ce\u3067EPOLLHUP\u306b\u306a\u308b\u3068\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u3053\u306e\u300c\u8aad\u307f\u53d6\u308a\u53ef\u80fd\u300d\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u7d42\u4e86\u7406\u7531\u306e\u30c7\u30fc\u30bf\u3092read\u3067\u304d\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u540c\u30de\u30cb\u30e5\u30a2\u30eb\u306e\u5b9f\u88c5\u8aac\u660e\u3067\u306f\u3001pidfd\u3078\u306e<code>read<\/code>\u306f<code>EINVAL<\/code>\u3067\u5931\u6557\u3057\u307e\u3059\u3002\u7d42\u4e86\u72b6\u614b\u3092\u5f97\u308b\u7d4c\u8def\u3068\u3001\u30a4\u30d9\u30f3\u30c8\u30eb\u30fc\u30d7\u3078\u901a\u77e5\u3059\u308b\u7d4c\u8def\u3092\u5206\u3051\u3066\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>pidfd\u304c\u547c\u51fa\u3057\u5074\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u3092\u6307\u3057\u3066\u3044\u308c\u3070\u3001<code>waitid<\/code>\u3067\u5f85\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4efb\u610f\u306e\u4ed6\u4eba\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3064\u3044\u3066\u3001pidfd\u3092\u6301\u3064\u3060\u3051\u3067\u89aa\u306e\u3088\u3046\u306b\u7d42\u4e86\u72b6\u614b\u3092\u56de\u53ce\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u5b89\u5168\u306a\u5b9b\u5148\u3068\u3001\u64cd\u4f5c\u306e\u6210\u529f\u306f\u5225\u306e\u6761\u4ef6<\/h2>\n<p>pidfd\u3092\u6301\u3063\u3066\u3044\u3066\u3082\u3001\u76f8\u624b\u306b\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u308b\u6a29\u9650\u304c\u8ffd\u52a0\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6a29\u9650\u304c\u306a\u3051\u308c\u3070<code>EPERM<\/code>\u3068\u306a\u308a\u3001PID\u540d\u524d\u7a7a\u9593\u306b\u95a2\u3059\u308b\u6761\u4ef6\u3082\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30b7\u30b0\u30ca\u30eb\u9001\u4fe1\u306e\u6210\u529f\u3092\u3001\u76f8\u624b\u306e\u5f8c\u51e6\u7406\u3084\u7d42\u4e86\u307e\u3067\u5b8c\u4e86\u3057\u305f\u8a3c\u62e0\u3068\u307f\u306a\u3055\u306a\u3044\u3053\u3068\u3082\u5927\u5207\u3067\u3059\u3002\u7d42\u4e86\u304c\u5fc5\u8981\u306a\u64cd\u4f5c\u306a\u3089\u3001\u305d\u306e\u5f8c\u306e\u7d42\u4e86\u901a\u77e5\u3092\u5225\u306b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>\u76e3\u8996\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u898b\u76f4\u3059\u306a\u3089\u3001\u307e\u305a\u300c\u76f8\u624b\u3092\u4f55\u3067\u8b58\u5225\u3057\u3066\u3044\u308b\u304b\u300d\u3001\u6b21\u306b\u300c\u5b89\u5b9a\u3057\u305f\u53c2\u7167\u3092\u3044\u3064\u53d6\u5f97\u3059\u308b\u304b\u300d\u3001\u6700\u5f8c\u306b\u300c\u9001\u4fe1\u30fb\u7d42\u4e86\u691c\u77e5\u30fb\u5b50\u306e\u56de\u53ce\u3092\u305d\u308c\u305e\u308c\u3069\u3046\u78ba\u8a8d\u3059\u308b\u304b\u300d\u3092\u5206\u3051\u3066\u8ffd\u3046\u3068\u3001\u7af6\u5408\u304c\u96a0\u308c\u308b\u5834\u6240\u3092\u898b\u3064\u3051\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>pidfd_open\u306fLinux 5.3\u3001pidfd_send_signal\u306fLinux 5.1\u3067\u5c0e\u5165\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u65b0\u3057\u3044\u30d5\u30e9\u30b0\u306b\u306f\u305d\u308c\u305e\u308c\u8ffd\u52a0\u6642\u671f\u304c\u3042\u308a\u3001\u3053\u306e\u8a18\u4e8b\u306fflags\u30920\u3068\u3057\u305f\u30d7\u30ed\u30bb\u30b9\u5358\u4f4d\u306e\u6271\u3044\u3092\u4e2d\u5fc3\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u30b9\u30ec\u30c3\u30c9\u5358\u4f4d\u306ePIDFD_THREAD\u3084\u3001\u30d7\u30ed\u30bb\u30b9\u30b0\u30eb\u30fc\u30d7\u3078\u9001\u308b\u65b0\u3057\u3044\u30d5\u30e9\u30b0\u307e\u3067\u540c\u3058\u6761\u4ef6\u3060\u3068\u307f\u306a\u3055\u305a\u3001\u5229\u7528\u3059\u308b\u30ab\u30fc\u30cd\u30eb\u306e\u5bfe\u5fdc\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ul>\n<li><a href=\"https:\/\/man7.org\/linux\/man-pages\/man2\/pidfd_open.2.html\">Linux man-pages 6.19: pidfd_open(2)<\/a> \u2014 \u53d6\u5f97\u3001\u5b50\u306e\u56de\u53ce\u6761\u4ef6\u3001\u7d42\u4e86\u76e3\u8996\u3001waitid\u3001\u5c0e\u5165\u6642\u671f\u3002<\/li>\n<li><a href=\"https:\/\/man7.org\/linux\/man-pages\/man2\/pidfd_send_signal.2.html\">Linux man-pages 6.19: pidfd_send_signal(2)<\/a> \u2014 PID\u518d\u5229\u7528\u3068\u306e\u7af6\u5408\u3001\u5b89\u5b9a\u3057\u305f\u53c2\u7167\u3001\u30a8\u30e9\u30fc\u3068\u6a29\u9650\u3002\u4e21\u8cc7\u6599\u306f\u540c\u3058\u30de\u30cb\u30e5\u30a2\u30eb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5c5e\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u505c\u6b62\u3057\u305f\u3044\u30d7\u30ed\u30bb\u30b9\u306ePID\u3092\u8abf\u3079\u3001\u5c11\u3057\u5f8c\u3067\u305d\u306e\u756a\u53f7\u3078\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u308b\u3002\u3053\u306e\u77ed\u3044\u9593\u306b\u3082\u3001\u76f8\u624b\u304c\u7d42\u4e86\u3057\u3001\u540c\u3058PID\u304c\u5225\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u756a\u53f7\u304c\u540c\u3058\u3067\u3082\u3001\u76f8\u624b\u307e\u3067\u540c\u3058\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002 Linux\u306epid [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1180,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[30],"tags":[244],"class_list":["post-1182","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-computing","tag-linux"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-pidfd-stable-process-reference-20261022-featured-0bfe285918ac.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1182","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1182"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1182\/revisions"}],"predecessor-version":[{"id":1186,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1182\/revisions\/1186"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/1180"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}