From 57d4c8a90a115a163f3bae26dfc703c07039807c Mon Sep 17 00:00:00 2001
From: shirou <shirou.faw@gmail.com>
Date: Tue, 14 May 2024 22:56:17 +0900
Subject: [PATCH] [process][openbsd]: add cwd on openbsd.

---
 process/process_openbsd.go         | 7 ++++++-
 process/process_openbsd_386.go     | 1 +
 process/process_openbsd_amd64.go   | 1 +
 process/process_openbsd_arm.go     | 1 +
 process/process_openbsd_arm64.go   | 1 +
 process/process_openbsd_riscv64.go | 1 +
 process/types_openbsd.go           | 1 +
 7 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/process/process_openbsd.go b/process/process_openbsd.go
index a58c5eb11..358694063 100644
--- a/process/process_openbsd.go
+++ b/process/process_openbsd.go
@@ -68,7 +68,12 @@ func (p *Process) NameWithContext(ctx context.Context) (string, error) {
 }
 
 func (p *Process) CwdWithContext(ctx context.Context) (string, error) {
-	return "", common.ErrNotImplementedError
+	mib := []int32{CTLKern, KernProcCwd, p.Pid}
+	buf, _, err := common.CallSyscall(mib)
+	if err != nil {
+		return "", err
+	}
+	return common.ByteToString(buf), nil
 }
 
 func (p *Process) ExeWithContext(ctx context.Context) (string, error) {
diff --git a/process/process_openbsd_386.go b/process/process_openbsd_386.go
index f4ed02491..6e9edc202 100644
--- a/process/process_openbsd_386.go
+++ b/process/process_openbsd_386.go
@@ -14,6 +14,7 @@ const (
 	KernProcProc     = 8
 	KernProcPathname = 12
 	KernProcArgs     = 55
+	KernProcCwd      = 78
 	KernProcArgv     = 1
 	KernProcEnv      = 3
 )
diff --git a/process/process_openbsd_amd64.go b/process/process_openbsd_amd64.go
index 8607422b5..a46d28af5 100644
--- a/process/process_openbsd_amd64.go
+++ b/process/process_openbsd_amd64.go
@@ -11,6 +11,7 @@ const (
 	KernProcProc     = 8
 	KernProcPathname = 12
 	KernProcArgs     = 55
+	KernProcCwd      = 78
 	KernProcArgv     = 1
 	KernProcEnv      = 3
 )
diff --git a/process/process_openbsd_arm.go b/process/process_openbsd_arm.go
index b94429f2e..68ea3c8f7 100644
--- a/process/process_openbsd_arm.go
+++ b/process/process_openbsd_arm.go
@@ -14,6 +14,7 @@ const (
 	KernProcProc     = 8
 	KernProcPathname = 12
 	KernProcArgs     = 55
+	KernProcCwd      = 78
 	KernProcArgv     = 1
 	KernProcEnv      = 3
 )
diff --git a/process/process_openbsd_arm64.go b/process/process_openbsd_arm64.go
index a3291b8ca..fa620ff67 100644
--- a/process/process_openbsd_arm64.go
+++ b/process/process_openbsd_arm64.go
@@ -14,6 +14,7 @@ const (
 	KernProcProc     = 8
 	KernProcPathname = 12
 	KernProcArgs     = 55
+	KernProcCwd      = 78
 	KernProcArgv     = 1
 	KernProcEnv      = 3
 )
diff --git a/process/process_openbsd_riscv64.go b/process/process_openbsd_riscv64.go
index 076f095ea..b677e70ad 100644
--- a/process/process_openbsd_riscv64.go
+++ b/process/process_openbsd_riscv64.go
@@ -14,6 +14,7 @@ const (
 	KernProcProc     = 8
 	KernProcPathname = 12
 	KernProcArgs     = 55
+	KernProcCwd      = 78
 	KernProcArgv     = 1
 	KernProcEnv      = 3
 )
diff --git a/process/types_openbsd.go b/process/types_openbsd.go
index 75f2344a9..ce771bc7a 100644
--- a/process/types_openbsd.go
+++ b/process/types_openbsd.go
@@ -44,6 +44,7 @@ const (
 	KernProcProc     = 8  // only return procs
 	KernProcPathname = 12 // path to executable
 	KernProcArgs     = 55 // get/set arguments/proctitle
+	KernProcCwd      = 78 // get current working directory
 	KernProcArgv     = 1
 	KernProcEnv      = 3
 )