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|
package app
import (
"os/exec"
"sync"
)
type App interface {
Seal(config *Config) error
Start() error
Wait() (int, error)
WaitErr() error
String() string
}
type app struct {
// child process related information
seal *appSeal
// underlying fortified child process
cmd *exec.Cmd
// error returned waiting for process
wait error
lock sync.RWMutex
}
func (a *app) String() string {
if a == nil {
return "(invalid fortified app)"
}
a.lock.RLock()
defer a.lock.RUnlock()
if a.cmd != nil {
return a.cmd.String()
}
if a.seal != nil {
return "(sealed fortified app as uid " + a.seal.sys.Uid + ")"
}
return "(unsealed fortified app)"
}
func (a *app) WaitErr() error {
return a.wait
}
func New() App {
return new(app)
}
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