diff --git a/posix_semaphores.c b/posix_semaphores.c
index 00d923f..2bae275 100644
--- a/posix_semaphores.c
+++ b/posix_semaphores.c
@@ -11,15 +11,15 @@
 #include <fcntl.h>
 
 static zend_function_entry posix_semaphores_functions[] = {
-	PHP_FE(posix_sem_open, NULL)
-	PHP_FE(posix_sem_close, NULL)
-	PHP_FE(posix_sem_unlink, NULL)
-	PHP_FE(posix_sem_getvalue, NULL)
-	PHP_FE(posix_sem_post, NULL)
-	PHP_FE(posix_sem_wait, NULL)
-	PHP_FE(posix_sem_trywait, NULL)
-	PHP_FE(posix_sem_timedwait, NULL)
-	PHP_FE(posix_sem_error, NULL)
+	PHP_FE(posix_sem_open, arginfo_posix_sem_open)
+	PHP_FE(posix_sem_close, arginfo_posix_sem_close)
+	PHP_FE(posix_sem_unlink, arginfo_posix_sem_unlink)
+	PHP_FE(posix_sem_getvalue, arginfo_posix_sem_getvalue)
+	PHP_FE(posix_sem_post, arginfo_posix_sem_post)
+	PHP_FE(posix_sem_wait, arginfo_posix_sem_wait)
+	PHP_FE(posix_sem_trywait, arginfo_posix_sem_trywait)
+	PHP_FE(posix_sem_timedwait, arginfo_posix_sem_timedwait)
+	PHP_FE(posix_sem_error, arginfo_posix_sem_error)
 	{NULL, NULL, NULL}
 };
     
@@ -51,7 +51,7 @@ typedef struct _php_posix_semaphore {
 } php_posix_semaphore;
 
 
-static void php_posix_semaphore_dtor(zend_resource *rsrc TSRMLS_DC)
+static void php_posix_semaphore_dtor(zend_resource *rsrc)
 {
 	php_posix_semaphore *s = (php_posix_semaphore*)rsrc->ptr;
 	if (s) 
@@ -96,7 +96,7 @@ PHP_FUNCTION(posix_sem_open)
 	zend_long flags;
 	zend_long mode = 0666;
 	zend_long value = 0;
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sl|ll", &name, &name_length, &flags, &mode, &value) == FAILURE) 
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "sl|ll", &name, &name_length, &flags, &mode, &value) == FAILURE) 
 	{
 		RETURN_NULL();
 	}
@@ -115,7 +115,7 @@ PHP_FUNCTION(posix_sem_close)
 {
 	php_posix_semaphore *semaphore;
 	zval *zsemaphore;
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zsemaphore) == FAILURE)
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &zsemaphore) == FAILURE)
 	{
 		RETURN_FALSE;
 	}
@@ -137,7 +137,7 @@ PHP_FUNCTION(posix_sem_unlink)
 {
 	char *name;
 	size_t name_length;
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &name, &name_length) == FAILURE) 
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &name, &name_length) == FAILURE) 
 	{
 		RETURN_NULL();
 	}
@@ -153,7 +153,7 @@ PHP_FUNCTION(posix_sem_getvalue)
 {
 	php_posix_semaphore *semaphore;
 	zval *zsemaphore;
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zsemaphore) == FAILURE)
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &zsemaphore) == FAILURE)
 	{
 		RETURN_NULL();
 	}
@@ -182,7 +182,7 @@ PHP_FUNCTION(posix_sem_post)
 {
 	php_posix_semaphore *semaphore;
 	zval *zsemaphore;
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zsemaphore) == FAILURE)
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &zsemaphore) == FAILURE)
 	{
 		RETURN_FALSE;
 	}
@@ -210,7 +210,7 @@ PHP_FUNCTION(posix_sem_wait)
 {
 	php_posix_semaphore *semaphore;
 	zval *zsemaphore;
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zsemaphore) == FAILURE)
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &zsemaphore) == FAILURE)
 	{
 		RETURN_FALSE;
 	}
@@ -238,7 +238,7 @@ PHP_FUNCTION(posix_sem_trywait)
 {
 	php_posix_semaphore *semaphore;
 	zval *zsemaphore;
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zsemaphore) == FAILURE)
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &zsemaphore) == FAILURE)
 	{
 		RETURN_FALSE;
 	}
@@ -268,7 +268,7 @@ PHP_FUNCTION(posix_sem_timedwait)
 	zval *zsemaphore;
 	zend_long timeout_sec;
 	zend_long timeout_nsec = 0;
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|l", &zsemaphore, &timeout_sec, &timeout_nsec) == FAILURE)
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl|l", &zsemaphore, &timeout_sec, &timeout_nsec) == FAILURE)
 	{
 		RETURN_FALSE;
 	}
diff --git a/posix_semaphores.h b/posix_semaphores.h
index e4c5397..5fa8d43 100644
--- a/posix_semaphores.h
+++ b/posix_semaphores.h
@@ -1,9 +1,11 @@
 #ifndef POSIX_SEMAPHORES_H
 #define POSIX_SEMAPHORES_H 1
 
-#define PHP_POSIX_SEMAPHORES_VERSION "1.0"
+#define PHP_POSIX_SEMAPHORES_VERSION "1.1"
 #define PHP_POSIX_SEMAPHORES_EXTNAME "posix_semaphores"
 
+#include "posix_semaphores_arginfo.h"
+
 PHP_MINIT_FUNCTION(posix_semaphores);
 PHP_MSHUTDOWN_FUNCTION(posix_semaphores);
 
diff --git a/posix_semaphores.stub.php b/posix_semaphores.stub.php
new file mode 100644
index 0000000..d1a962c
--- /dev/null
+++ b/posix_semaphores.stub.php
@@ -0,0 +1,11 @@
+<?php
+
+function posix_sem_open(string $name, int $flags, int $mode, int $value) : resource|null {}
+function posix_sem_close(resource $semaphore) : boolean {}
+function posix_sem_unlink(resource $semaphore) : boolean {}
+function posix_sem_post(resource $semaphore) : boolean {}
+function posix_sem_wait(resource $semaphore) : boolean {}
+function posix_sem_trywait(resource $semaphore) : boolean {}
+function posix_sem_timedwait(resource $semaphore, int $timeout_sec, int $timeout_nsec = 0) : boolean {}
+function posix_sem_getvalue(resource $semaphore) : int|null {}
+function posix_sem_error() : int {} 
\ No newline at end of file
diff --git a/posix_semaphores_arginfo.h b/posix_semaphores_arginfo.h
new file mode 100644
index 0000000..0497619
--- /dev/null
+++ b/posix_semaphores_arginfo.h
@@ -0,0 +1,34 @@
+/* This is a generated file, edit the .stub.php file instead.
+ * Stub hash: 9e3bcd8b1562df022b0491acc13c50410cec2648 */
+
+ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(arginfo_posix_sem_open, 0, 4, resource, 1)
+	ZEND_ARG_TYPE_INFO(0, name, IS_STRING, 0)
+	ZEND_ARG_TYPE_INFO(0, flags, IS_LONG, 0)
+	ZEND_ARG_TYPE_INFO(0, mode, IS_LONG, 0)
+	ZEND_ARG_TYPE_INFO(0, value, IS_LONG, 0)
+ZEND_END_ARG_INFO()
+
+ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(arginfo_posix_sem_close, 0, 1, boolean, 0)
+	ZEND_ARG_OBJ_INFO(0, semaphore, resource, 0)
+ZEND_END_ARG_INFO()
+
+#define arginfo_posix_sem_unlink arginfo_posix_sem_close
+
+#define arginfo_posix_sem_post arginfo_posix_sem_close
+
+#define arginfo_posix_sem_wait arginfo_posix_sem_close
+
+#define arginfo_posix_sem_trywait arginfo_posix_sem_close
+
+ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(arginfo_posix_sem_timedwait, 0, 2, boolean, 0)
+	ZEND_ARG_OBJ_INFO(0, semaphore, resource, 0)
+	ZEND_ARG_TYPE_INFO(0, timeout_sec, IS_LONG, 0)
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, timeout_nsec, IS_LONG, 0, "0")
+ZEND_END_ARG_INFO()
+
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_posix_sem_getvalue, 0, 1, IS_LONG, 1)
+	ZEND_ARG_OBJ_INFO(0, semaphore, resource, 0)
+ZEND_END_ARG_INFO()
+
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_posix_sem_error, 0, 0, IS_LONG, 0)
+ZEND_END_ARG_INFO()