{ "type": "excalidraw", "version": 2, "source": "https://excalidraw.com", "elements": [ { "id": "r458077152", "type": "rectangle", "x": 20, "y": 40, "width": 920, "height": 185, "angle": 0, "strokeColor": "#dddddd", "backgroundColor": "#eef4fb", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1108738861, "versionNonce": 1684417545, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1287208160", "type": "text", "x": 32, "y": 46, "width": 250.8, "height": 15.0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1778773428, "versionNonce": 957874884, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "pmon supervise (pid 2633754) \u2014 capture", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "pmon supervise (pid 2633754) \u2014 capture", "lineHeight": 1.25, "baseline": 12 }, { "id": "r1775920623", "type": "rectangle", "x": 20, "y": 250, "width": 920, "height": 150, "angle": 0, "strokeColor": "#dddddd", "backgroundColor": "#fff8ef", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 850087404, "versionNonce": 311782682, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t540877146", "type": "text", "x": 32, "y": 256, "width": 204.60000000000002, "height": 15.0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 26732644, "versionNonce": 1595502727, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "pmon tail (pid 2634759) \u2014 relay", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "pmon tail (pid 2634759) \u2014 relay", "lineHeight": 1.25, "baseline": 12 }, { "id": "r1780140679", "type": "rectangle", "x": 20, "y": 425, "width": 920, "height": 150, "angle": 0, "strokeColor": "#dddddd", "backgroundColor": "#f4f4f4", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 161427379, "versionNonce": 230051985, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t668823488", "type": "text", "x": 32, "y": 431, "width": 132.0, "height": 15.0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 465123551, "versionNonce": 1947459553, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "kernel FIFO + reader", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "kernel FIFO + reader", "lineHeight": 1.25, "baseline": 12 }, { "id": "r288203013", "type": "rectangle", "x": 40, "y": 90, "width": 175, "height": 105, "angle": 0, "strokeColor": "#111111", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1980723432, "versionNonce": 834057187, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1944218700", "type": "text", "x": 50, "y": 98, "width": 138.60000000000002, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 215382546, "versionNonce": 603788256, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "sh (child 2633756)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "sh (child 2633756)", "lineHeight": 1.25, "baseline": 14 }, { "id": "t43154621", "type": "text", "x": 50, "y": 118, "width": 133.10000000000002, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 307705054, "versionNonce": 1603888684, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "fd 1 \u2192 pipe:[16462630]", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "fd 1 \u2192 pipe:[16462630]", "lineHeight": 1.25, "baseline": 11 }, { "id": "t786787241", "type": "text", "x": 50, "y": 133, "width": 133.10000000000002, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 26464219, "versionNonce": 1347887615, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "fd 2 \u2192 pipe:[16462631]", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "fd 2 \u2192 pipe:[16462631]", "lineHeight": 1.25, "baseline": 11 }, { "id": "t916019881", "type": "text", "x": 50, "y": 148, "width": 114.95, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1853427090, "versionNonce": 1993056715, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "mask reset at spawn", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "mask reset at spawn", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1638629895", "type": "rectangle", "x": 255, "y": 75, "width": 165, "height": 55, "angle": 0, "strokeColor": "#888888", "backgroundColor": "#f4f4f4", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1751190039, "versionNonce": 1692166665, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1392808914", "type": "text", "x": 265, "y": 83, "width": 84.7, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1781870536, "versionNonce": 161308597, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "stdout pipe", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "stdout pipe", "lineHeight": 1.25, "baseline": 14 }, { "id": "t1103140129", "type": "text", "x": 265, "y": 103, "width": 84.7, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 843027711, "versionNonce": 1242408361, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "inode 16462630", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "inode 16462630", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1257638041", "type": "rectangle", "x": 255, "y": 145, "width": 165, "height": 55, "angle": 0, "strokeColor": "#888888", "backgroundColor": "#f4f4f4", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1000276188, "versionNonce": 1414380910, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t94265402", "type": "text", "x": 265, "y": 153, "width": 84.7, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1989666508, "versionNonce": 1539398867, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "stderr pipe", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "stderr pipe", "lineHeight": 1.25, "baseline": 14 }, { "id": "t199668212", "type": "text", "x": 265, "y": 173, "width": 84.7, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1782673484, "versionNonce": 1180605375, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "inode 16462631", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "inode 16462631", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1809717149", "type": "rectangle", "x": 465, "y": 85, "width": 215, "height": 110, "angle": 0, "strokeColor": "#111111", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 601821733, "versionNonce": 643594336, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t946925195", "type": "text", "x": 475, "y": 93, "width": 123.20000000000002, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 534807331, "versionNonce": 245068912, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "one poll(2) loop", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "one poll(2) loop", "lineHeight": 1.25, "baseline": 14 }, { "id": "t1529283392", "type": "text", "x": 475, "y": 113, "width": 121.00000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 424203686, "versionNonce": 961801978, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "signalfd 4 \u00b7 pidfd 6", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "signalfd 4 \u00b7 pidfd 6", "lineHeight": 1.25, "baseline": 11 }, { "id": "t391646831", "type": "text", "x": 475, "y": 128, "width": 133.10000000000002, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1807623268, "versionNonce": 1677483428, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "pipe read ends 5 and 7", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "pipe read ends 5 and 7", "lineHeight": 1.25, "baseline": 11 }, { "id": "t1639891503", "type": "text", "x": 475, "y": 143, "width": 145.20000000000002, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 293461408, "versionNonce": 1319136585, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "LineRelay tags each line", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "LineRelay tags each line", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1989318051", "type": "rectangle", "x": 725, "y": 95, "width": 190, "height": 90, "angle": 0, "strokeColor": "#e8870c", "backgroundColor": "#fff8ef", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1204060678, "versionNonce": 798461791, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1157436494", "type": "text", "x": 735, "y": 103, "width": 115.50000000000001, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 700342026, "versionNonce": 140533344, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "live.log \u2014 fd 3", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "live.log \u2014 fd 3", "lineHeight": 1.25, "baseline": 14 }, { "id": "t59625999", "type": "text", "x": 735, "y": 123, "width": 102.85000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1161413687, "versionNonce": 1797918968, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "O_WRONLY|O_APPEND", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "O_WRONLY|O_APPEND", "lineHeight": 1.25, "baseline": 11 }, { "id": "t1867242119", "type": "text", "x": 735, "y": 138, "width": 127.05000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 698297716, "versionNonce": 333397699, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "\"[out] \u2026\" / \"[err] \u2026\"", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "\"[out] \u2026\" / \"[err] \u2026\"", "lineHeight": 1.25, "baseline": 11 }, { "id": "r779030387", "type": "rectangle", "x": 40, "y": 295, "width": 200, "height": 85, "angle": 0, "strokeColor": "#111111", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 412301882, "versionNonce": 1518565470, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t21903406", "type": "text", "x": 50, "y": 303, "width": 115.50000000000001, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 645328532, "versionNonce": 779495048, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "live.log \u2014 fd 3", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "live.log \u2014 fd 3", "lineHeight": 1.25, "baseline": 14 }, { "id": "t504787443", "type": "text", "x": 50, "y": 323, "width": 139.15, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 235147861, "versionNonce": 404453317, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "O_RDONLY, fdinfo pos 10", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "O_RDONLY, fdinfo pos 10", "lineHeight": 1.25, "baseline": 11 }, { "id": "t934905244", "type": "text", "x": 50, "y": 338, "width": 121.00000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1439432540, "versionNonce": 1761156607, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "offset advances only", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "offset advances only", "lineHeight": 1.25, "baseline": 11 }, { "id": "t1948672332", "type": "text", "x": 50, "y": 353, "width": 114.95, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 799301062, "versionNonce": 176858857, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "for delivered bytes", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "for delivered bytes", "lineHeight": 1.25, "baseline": 11 }, { "id": "r710565293", "type": "rectangle", "x": 465, "y": 295, "width": 215, "height": 85, "angle": 0, "strokeColor": "#111111", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 760352680, "versionNonce": 1348076990, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1420691776", "type": "text", "x": 475, "y": 303, "width": 138.60000000000002, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1724116216, "versionNonce": 1817016709, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "FIFO writer \u2014 fd 4", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "FIFO writer \u2014 fd 4", "lineHeight": 1.25, "baseline": 14 }, { "id": "t1157869643", "type": "text", "x": 475, "y": 323, "width": 127.05000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 603245601, "versionNonce": 213869011, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "fdinfo flags 02100001", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "fdinfo flags 02100001", "lineHeight": 1.25, "baseline": 11 }, { "id": "t1020362220", "type": "text", "x": 475, "y": 338, "width": 108.9, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 544592431, "versionNonce": 751933600, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "O_NONBLOCK cleared", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "O_NONBLOCK cleared", "lineHeight": 1.25, "baseline": 11 }, { "id": "t1460321405", "type": "text", "x": 475, "y": 353, "width": 127.05000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 320289369, "versionNonce": 1523096681, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "after ENXIO wait loop", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "after ENXIO wait loop", "lineHeight": 1.25, "baseline": 11 }, { "id": "r158447892", "type": "rectangle", "x": 465, "y": 470, "width": 215, "height": 65, "angle": 0, "strokeColor": "#888888", "backgroundColor": "#f4f4f4", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 84821498, "versionNonce": 481844007, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t641330794", "type": "text", "x": 475, "y": 478, "width": 69.30000000000001, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 795178078, "versionNonce": 1529146481, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "live.fifo", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "live.fifo", "lineHeight": 1.25, "baseline": 14 }, { "id": "t1764250770", "type": "text", "x": 475, "y": 498, "width": 108.9, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1467683358, "versionNonce": 1448442539, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "S_IFIFO, mode 0644", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "S_IFIFO, mode 0644", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1190706649", "type": "rectangle", "x": 735, "y": 465, "width": 180, "height": 80, "angle": 0, "strokeColor": "#111111", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1176001253, "versionNonce": 205472017, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1893431733", "type": "text", "x": 745, "y": 473, "width": 77.0, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 148511089, "versionNonce": 1555457976, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "cat \u2014 fd 3", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "cat \u2014 fd 3", "lineHeight": 1.25, "baseline": 14 }, { "id": "t1206409933", "type": "text", "x": 745, "y": 493, "width": 139.15, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1928183806, "versionNonce": 1967655012, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "detach \u2192 EPIPE upstream", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "detach \u2192 EPIPE upstream", "lineHeight": 1.25, "baseline": 11 }, { "id": "t1785737719", "type": "text", "x": 745, "y": 508, "width": 151.25, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 366934128, "versionNonce": 1556743636, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "next reader loses nothing", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "next reader loses nothing", "lineHeight": 1.25, "baseline": 11 }, { "id": "a221705674", "type": "arrow", "x": 215, "y": 115, "width": 38, "height": 12, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1129745273, "versionNonce": 1367328207, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 38, -12 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1274763319", "type": "text", "x": 234.0, "y": 95.0, "width": 48.400000000000006, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 668418879, "versionNonce": 536970078, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "write(2)", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "write(2)", "lineHeight": 1.25, "baseline": 11 }, { "id": "a347180902", "type": "arrow", "x": 215, "y": 165, "width": 38, "height": 7, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1208183701, "versionNonce": 1075304718, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 38, 7 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t450763793", "type": "text", "x": 234.0, "y": 154.5, "width": 48.400000000000006, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 865012917, "versionNonce": 734902731, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "write(2)", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "write(2)", "lineHeight": 1.25, "baseline": 11 }, { "id": "a1843115581", "type": "arrow", "x": 420, "y": 103, "width": 43, "height": 12, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1353595863, "versionNonce": 1577521508, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 43, 12 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1490445533", "type": "text", "x": 441.5, "y": 95.0, "width": 40, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 919873529, "versionNonce": 1433910478, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "POLLIN", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "POLLIN", "lineHeight": 1.25, "baseline": 11 }, { "id": "a1463270604", "type": "arrow", "x": 420, "y": 172, "width": 43, "height": 12, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1624102437, "versionNonce": 1333716683, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 43, -12 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t41040115", "type": "text", "x": 441.5, "y": 152.0, "width": 40, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1815769588, "versionNonce": 439400545, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "POLLIN", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "POLLIN", "lineHeight": 1.25, "baseline": 11 }, { "id": "a816995806", "type": "arrow", "x": 680, "y": 140, "width": 43, "height": 0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 377585042, "versionNonce": 332435291, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 43, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t471015068", "type": "text", "x": 701.5, "y": 126.0, "width": 40, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1445736338, "versionNonce": 1880607241, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "append", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "append", "lineHeight": 1.25, "baseline": 11 }, { "id": "a444192340", "type": "arrow", "x": 820, "y": 185, "width": 680, "height": 108, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "dashed", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 721194310, "versionNonce": 1754925251, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ -680, 108 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1354604596", "type": "text", "x": 480.0, "y": 225.0, "width": 248.05, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 65293188, "versionNonce": 1859702240, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "tail follows the same file, from offset 0", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "tail follows the same file, from offset 0", "lineHeight": 1.25, "baseline": 11 }, { "id": "a1574884534", "type": "arrow", "x": 240, "y": 337, "width": 223, "height": 0, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 589918919, "versionNonce": 1163085415, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 223, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1391324195", "type": "text", "x": 351.5, "y": 323.0, "width": 235.95000000000002, "height": 13.75, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1526893899, "versionNonce": 1805412222, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "splice(3, NULL, 4, NULL, 65536, 0) = 22", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "splice(3, NULL, 4, NULL, 65536, 0) = 22", "lineHeight": 1.25, "baseline": 11 }, { "id": "a1209574647", "type": "arrow", "x": 572, "y": 380, "width": 0, "height": 88, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1710563240, "versionNonce": 1370779286, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 0, 88 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1748030729", "type": "text", "x": 572.0, "y": 410.0, "width": 145.20000000000002, "height": 13.75, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 817503724, "versionNonce": 1253304474, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "pages move, no user copy", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "pages move, no user copy", "lineHeight": 1.25, "baseline": 11 }, { "id": "a1918116528", "type": "arrow", "x": 680, "y": 502, "width": 53, "height": 0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 177106067, "versionNonce": 1954670143, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 53, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t605776991", "type": "text", "x": 706.5, "y": 488.0, "width": 42.35, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1644722701, "versionNonce": 510383720, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "read(2)", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "read(2)", "lineHeight": 1.25, "baseline": 11 }, { "id": "t27482207", "type": "text", "x": 40, "y": 405, "width": 828.85, "height": 13.75, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 518400525, "versionNonce": 1523950642, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "reader killed \u2192 splice = -1 EPIPE \u2192 \"pmon: tail reader detached\" \u2014 the relay survives and re-splices undelivered bytes to the next reader", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "reader killed \u2192 splice = -1 EPIPE \u2192 \"pmon: tail reader detached\" \u2014 the relay survives and re-splices undelivered bytes to the next reader", "lineHeight": 1.25, "baseline": 11 }, { "id": "t272598424", "type": "text", "x": 20, "y": 20, "width": 910.8000000000001, "height": 15.0, "angle": 0, "strokeColor": "#1d1d1d", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 456896549, "versionNonce": 1812319486, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "pmon v4's log pipeline \u2014 every pid, fd number, pipe inode, flag value, and splice return in this figure comes from the chapter's live runs", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "pmon v4's log pipeline \u2014 every pid, fd number, pipe inode, flag value, and splice return in this figure comes from the chapter's live runs", "lineHeight": 1.25, "baseline": 12 } ], "appState": { "viewBackgroundColor": "#ffffff", "gridSize": null }, "files": {} }