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cf796aa56a
Touch-up some GoDoc in the package, and remove "import" comments. This package is used in BuildKit, and could be a potential candidate for moving to a separate module. The "import" comments are ignored when used in go module mode so have little benefit. Let's remove them. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
27 lines
781 B
Go
27 lines
781 B
Go
package reexec
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import (
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"os/exec"
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"syscall"
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)
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// Command returns an [*exec.Cmd] which has Path as current binary which,
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// on Linux, is set to the in-memory version (/proc/self/exe) of the current
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// binary, it is thus safe to delete or replace the on-disk binary (os.Args[0]).
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//
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// On Linux, the Pdeathsig of [*exec.Cmd.SysProcAttr] is set to SIGTERM.
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// This signal will be sent to the process when the OS thread which created
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// the process dies.
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//
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// It is the caller's responsibility to ensure that the creating thread is
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// not terminated prematurely. See https://go.dev/issue/27505 for more details.
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func Command(args ...string) *exec.Cmd {
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return &exec.Cmd{
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Path: Self(),
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Args: args,
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SysProcAttr: &syscall.SysProcAttr{
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Pdeathsig: syscall.SIGTERM,
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},
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}
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}
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