diff --git a/platformLibs/src/platform/android/posix.def b/platformLibs/src/platform/android/posix.def
index 94486be0bf6..1d7d124e149 100644
--- a/platformLibs/src/platform/android/posix.def
+++ b/platformLibs/src/platform/android/posix.def
@@ -23,11 +23,20 @@ static int posix_errno() {
         return errno;
 }
 
+static void set_posix_errno(int value) {
+        errno = value;
+}
+
+
 // Wrapper to access h_errno variable.
 static int posix_h_errno() {
         return h_errno;
 }
 
+static void set_posix_h_errno(int value) {
+        h_errno = value;
+}
+
 static int init_sockets() {
         return 0;
 }
diff --git a/platformLibs/src/platform/ios/posix.def b/platformLibs/src/platform/ios/posix.def
index d5d157d4c19..28886785b76 100644
--- a/platformLibs/src/platform/ios/posix.def
+++ b/platformLibs/src/platform/ios/posix.def
@@ -22,11 +22,19 @@ static int posix_errno() {
     return errno;
 }
 
+static void set_posix_errno(int value) {
+        errno = value;
+}
+
 // Wrapper to access h_errno variable.
 static int posix_h_errno() {
     return h_errno;
 }
 
+static void set_posix_h_errno(int value) {
+        h_errno = value;
+}
+
 static int init_sockets() {
         return 0;
 }
diff --git a/platformLibs/src/platform/linux/posix.def b/platformLibs/src/platform/linux/posix.def
index a624819a42a..fad44e5e765 100644
--- a/platformLibs/src/platform/linux/posix.def
+++ b/platformLibs/src/platform/linux/posix.def
@@ -43,11 +43,19 @@ static int posix_errno() {
     return errno;
 }
 
+static void set_posix_errno(int value) {
+        errno = value;
+}
+
 // Wrapper to access h_errno variable.
 static int posix_h_errno() {
     return h_errno;
 }
 
+static void set_posix_h_errno(int value) {
+        h_errno = value;
+}
+
 static short posix_htons(short x) {
     return htons(x);
 }
diff --git a/platformLibs/src/platform/mingw/posix.def b/platformLibs/src/platform/mingw/posix.def
index a18c77ec09d..22957044dad 100644
--- a/platformLibs/src/platform/mingw/posix.def
+++ b/platformLibs/src/platform/mingw/posix.def
@@ -13,6 +13,10 @@ static int posix_errno() {
     return errno;
 }
 
+static void set_posix_errno(int value) {
+        errno = value;
+}
+
 static short posix_htons(short x) {
     return htons(x);
 }
diff --git a/platformLibs/src/platform/osx/posix.def b/platformLibs/src/platform/osx/posix.def
index f0229e307af..d6cd40bada4 100644
--- a/platformLibs/src/platform/osx/posix.def
+++ b/platformLibs/src/platform/osx/posix.def
@@ -28,11 +28,19 @@ static int posix_errno() {
     return errno;
 }
 
+static void set_posix_errno(int value) {
+        errno = value;
+}
+
 // Wrapper to access h_errno variable.
 static int posix_h_errno() {
     return h_errno;
 }
 
+static void set_posix_h_errno(int value) {
+        h_errno = value;
+}
+
 static short posix_htons(short x) {
 	return htons(x);
 }