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os: point readers at the exec package
R=golang-dev, evan, rsc CC=golang-dev https://golang.org/cl/4802046
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@ -21,6 +21,9 @@ func (sig UnixSignal) String() string {
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// StartProcess starts a new process with the program, arguments and attributes
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// specified by name, argv and attr.
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//
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// StartProcess is a low-level interface. The exec package provides
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// higher-level interfaces.
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func StartProcess(name string, argv []string, attr *ProcAttr) (p *Process, err Error) {
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sysattr := &syscall.ProcAttr{
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Dir: attr.Dir,
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@ -49,7 +52,9 @@ func (p *Process) Kill() Error {
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// Exec replaces the current process with an execution of the
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// named binary, with arguments argv and environment envv.
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// If successful, Exec never returns. If it fails, it returns an Error.
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// StartProcess is almost always a better way to execute a program.
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//
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// To run a child process, see StartProcess (for a low-level interface)
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// or the exec package (for higher-level interfaces).
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func Exec(name string, argv []string, envv []string) Error {
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if envv == nil {
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envv = Environ()
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