Revert "exec: get the exit code from sync pipe instead of file"

This reverts commit 4b72f9e4013411208751df2a92ab9f322d4da5b2.

Continues what began with revert of
d3d97a25e8c87cf741b2e24ac01ef84962137106 in previous commit.

Signed-off-by: Matthew Heon <matthew.heon@pm.me>

1 files changed, 1 insertions, 8 deletions

diff --git a/libpod/oci.go b/libpod/oci.go
index 41d420664..27edebefc 100644
--- a/libpod/oci.go
+++ b/libpod/oci.go
@@ -70,7 +70,7 @@ type OCIRuntime interface {
 	// ExecContainer executes a command in a running container.
 	// Returns an int (exit code), error channel (errors from attach), and
 	// error (errors that occurred attempting to start the exec session).
-	ExecContainer(ctr *Container, sessionID string, options *ExecOptions) (chan DataAndErr, chan error, error)
+	ExecContainer(ctr *Container, sessionID string, options *ExecOptions) (int, chan error, error)
 	// ExecStopContainer stops a given exec session in a running container.
 	// SIGTERM with be sent initially, then SIGKILL after the given timeout.
 	// If timeout is 0, SIGKILL will be sent immediately, and SIGTERM will
@@ -159,10 +159,3 @@ type HTTPAttachStreams struct {
 	Stdout bool
 	Stderr bool
 }
-
-// DataAndErr is a generic structure for passing around an int and an error
-// it is especially useful for getting information from conmon
-type DataAndErr struct {
-	data int
-	err  error
-}