diff options
| author | Ophestra <cat@gensokyo.uk> | 2025-03-17 02:55:36 +0900 |
|---|---|---|
| committer | Ophestra <cat@gensokyo.uk> | 2025-03-17 02:55:36 +0900 |
| commit | 24618ab9a1524e8b8986a9bf67667288e642fcf1 (patch) | |
| tree | b3f2a71a2c9bedf937d0fec00092ad9133cb3ec9 /internal/sandbox/params.go | |
| parent | 9ce4706a0766880c072cccd2643d66f614a6a16b (diff) | |
sandbox: move out of internal
Signed-off-by: Ophestra <cat@gensokyo.uk>
Diffstat (limited to 'internal/sandbox/params.go')
| -rw-r--r-- | internal/sandbox/params.go | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/internal/sandbox/params.go b/internal/sandbox/params.go deleted file mode 100644 index 5b698747..00000000 --- a/internal/sandbox/params.go +++ /dev/null @@ -1,47 +0,0 @@ -package sandbox - -import ( - "encoding/gob" - "errors" - "os" - "strconv" -) - -var ( - ErrNotSet = errors.New("environment variable not set") - ErrInvalid = errors.New("bad file descriptor") -) - -// Setup appends the read end of a pipe for setup params transmission and returns its fd. -func Setup(extraFiles *[]*os.File) (int, *gob.Encoder, error) { - if r, w, err := os.Pipe(); err != nil { - return -1, nil, err - } else { - fd := 3 + len(*extraFiles) - *extraFiles = append(*extraFiles, r) - return fd, gob.NewEncoder(w), nil - } -} - -// Receive retrieves setup fd from the environment and receives params. -func Receive(key string, e any, v **os.File) (func() error, error) { - var setup *os.File - - if s, ok := os.LookupEnv(key); !ok { - return nil, ErrNotSet - } else { - if fd, err := strconv.Atoi(s); err != nil { - return nil, err - } else { - setup = os.NewFile(uintptr(fd), "setup") - if setup == nil { - return nil, ErrInvalid - } - if v != nil { - *v = setup - } - } - } - - return setup.Close, gob.NewDecoder(setup).Decode(e) -} |
