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| 1 | +/* |
| 2 | + * Copyright (c) 2013 Functional Streams for Scala |
| 3 | + * |
| 4 | + * Permission is hereby granted, free of charge, to any person obtaining a copy of |
| 5 | + * this software and associated documentation files (the "Software"), to deal in |
| 6 | + * the Software without restriction, including without limitation the rights to |
| 7 | + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
| 8 | + * the Software, and to permit persons to whom the Software is furnished to do so, |
| 9 | + * subject to the following conditions: |
| 10 | + * |
| 11 | + * The above copyright notice and this permission notice shall be included in all |
| 12 | + * copies or substantial portions of the Software. |
| 13 | + * |
| 14 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
| 16 | + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
| 17 | + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
| 18 | + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 19 | + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 20 | + */ |
| 21 | + |
| 22 | +package fs2 |
| 23 | +package io |
| 24 | +package process |
| 25 | + |
| 26 | +import cats.effect.kernel.Async |
| 27 | +import cats.effect.kernel.Resource |
| 28 | +import cats.syntax.all.* |
| 29 | +import fs2.io.CollectionCompat.* |
| 30 | + |
| 31 | +import java.lang |
| 32 | + |
| 33 | +private[process] trait Processesjvmnative { |
| 34 | + def forAsync[F[_]](implicit F: Async[F]): Processes[F] = new UnsealedProcesses[F] { |
| 35 | + |
| 36 | + def spawn(process: ProcessBuilder): Resource[F, Process[F]] = |
| 37 | + Resource |
| 38 | + .make { |
| 39 | + F.blocking { |
| 40 | + val builder = new lang.ProcessBuilder((process.command :: process.args).asJava) |
| 41 | + |
| 42 | + process.workingDirectory.foreach { path => |
| 43 | + builder.directory(path.toNioPath.toFile) |
| 44 | + } |
| 45 | + |
| 46 | + val env = builder.environment() |
| 47 | + if (!process.inheritEnv) env.clear() |
| 48 | + process.extraEnv.foreach { case (k, v) => |
| 49 | + env.put(k, v) |
| 50 | + } |
| 51 | + |
| 52 | + builder.start() |
| 53 | + } |
| 54 | + } { process => |
| 55 | + F.delay(process.isAlive()) |
| 56 | + .ifM( |
| 57 | + evalOnVirtualThreadIfAvailable( |
| 58 | + F.blocking { |
| 59 | + process.destroy() |
| 60 | + process.waitFor() |
| 61 | + () |
| 62 | + } |
| 63 | + ), |
| 64 | + F.unit |
| 65 | + ) |
| 66 | + } |
| 67 | + .map { process => |
| 68 | + new UnsealedProcess[F] { |
| 69 | + def isAlive = F.delay(process.isAlive()) |
| 70 | + |
| 71 | + def exitValue = isAlive.ifM( |
| 72 | + evalOnVirtualThreadIfAvailable(F.interruptible(process.waitFor())), |
| 73 | + F.delay(process.exitValue()) |
| 74 | + ) |
| 75 | + |
| 76 | + def stdin = writeOutputStreamCancelable( |
| 77 | + F.delay(process.getOutputStream()), |
| 78 | + F.blocking(process.destroy()) |
| 79 | + ) |
| 80 | + |
| 81 | + def stdout = readInputStreamCancelable( |
| 82 | + F.delay(process.getInputStream()), |
| 83 | + F.blocking(process.destroy()), |
| 84 | + 8192 |
| 85 | + ) |
| 86 | + |
| 87 | + def stderr = readInputStreamCancelable( |
| 88 | + F.delay(process.getErrorStream()), |
| 89 | + F.blocking(process.destroy()), |
| 90 | + 8192 |
| 91 | + ) |
| 92 | + |
| 93 | + } |
| 94 | + } |
| 95 | + } |
| 96 | +} |
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