57 lines
1.9 KiB
Go
57 lines
1.9 KiB
Go
// Copyright 2019 The SwiftShader Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package shell provides functions for running sub-processes.
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package shell
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import (
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"fmt"
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"time"
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"../cause"
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)
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// MaxProcMemory is the maximum virtual memory per child process.
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// Note: This is not used on Windows, as there is no sensible way to limit
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// process memory.
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var MaxProcMemory uint64 = 6 * 1024 * 1024 * 1024 // 6 GiB
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// Shell runs the executable exe with the given arguments, in the working
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// directory wd.
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// If the process does not finish within timeout a errTimeout will be returned.
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func Shell(timeout time.Duration, exe, wd string, args ...string) error {
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return Env(timeout, exe, wd, nil, args...)
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}
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// Env runs the executable exe with the given arguments, in the working
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// directory wd, with the custom env.
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// If the process does not finish within timeout a errTimeout will be returned.
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func Env(timeout time.Duration, exe, wd string, env []string, args ...string) error {
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if out, err := Exec(timeout, exe, wd, env, args...); err != nil {
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return cause.Wrap(err, "%s", out)
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}
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return nil
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}
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// ErrTimeout is the error returned when a process does not finish with its
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// permitted time.
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type ErrTimeout struct {
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process string
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timeout time.Duration
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}
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func (e ErrTimeout) Error() string {
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return fmt.Sprintf("'%v' did not return after %v", e.process, e.timeout)
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}
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