From eba8a13a2c1ba9fdfdea1380de636fc3c88824be Mon Sep 17 00:00:00 2001
From: Michael Davidsaver <mdavidsaver@gmail.com>
Date: Thu, 2 May 2019 20:18:12 -0700
Subject: [PATCH] iocsh allow setting of error code

---
 modules/libcom/src/iocsh/iocsh.cpp | 11 +++++++++++
 modules/libcom/src/iocsh/iocsh.h   |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/modules/libcom/src/iocsh/iocsh.cpp b/modules/libcom/src/iocsh/iocsh.cpp
index 57e8be671..2e64e8b05 100644
--- a/modules/libcom/src/iocsh/iocsh.cpp
+++ b/modules/libcom/src/iocsh/iocsh.cpp
@@ -511,6 +511,17 @@ typedef struct {
     bool errored;
 } Scope;
 
+int iocshSetError(int err)
+{
+    Scope *scope;
+    if (err && iocshScopeId) {
+        scope = (Scope *) epicsThreadPrivateGet(iocshScopeId);
+
+        if(scope) scope->errored = 1;
+    }
+    return err;
+}
+
 /*
  * The body of the command interpreter
  */
diff --git a/modules/libcom/src/iocsh/iocsh.h b/modules/libcom/src/iocsh/iocsh.h
index 84b38f224..2e8dc225e 100644
--- a/modules/libcom/src/iocsh/iocsh.h
+++ b/modules/libcom/src/iocsh/iocsh.h
@@ -89,6 +89,8 @@ epicsShareFunc int epicsShareAPI iocshCmd(const char *cmd);
 epicsShareFunc int epicsShareAPI iocshLoad(const char *pathname, const char* macros);
 epicsShareFunc int epicsShareAPI iocshRun(const char *cmd, const char* macros);
 
+epicsShareFunc int iocshSetError(int err);
+
 /* Makes macros that shadow environment variables work correctly with epicsEnvSet */
 epicsShareFunc void epicsShareAPI iocshEnvClear(const char *name);