diff --git a/ext/pcntl/pcntl.stub.php b/ext/pcntl/pcntl.stub.php
index 2c3cd64aad170..ea66c9f898369 100644
--- a/ext/pcntl/pcntl.stub.php
+++ b/ext/pcntl/pcntl.stub.php
@@ -6,36 +6,36 @@ function pcntl_fork(): int {}
 
 /**
  * @param int $status
- * @param array $rusage
+ * @param array $resource_usage
  */
-function pcntl_waitpid(int $pid, &$status, int $options = 0, &$rusage = []): int {}
+function pcntl_waitpid(int $process_id, &$status, int $flags = 0, &$resource_usage = []): int {}
 
 /**
  * @param int $status
- * @param array $rusage
+ * @param array $resource_usage
  */
-function pcntl_wait(&$status, int $options = 0, &$rusage = []): int {}
+function pcntl_wait(&$status, int $flags = 0, &$resource_usage = []): int {}
 
 /** @param callable|int $handler */
-function pcntl_signal(int $signo, $handler, bool $restart_syscalls = true): bool {}
+function pcntl_signal(int $signal, $handler, bool $restart_syscalls = true): bool {}
 
 /** @return callable|int */
-function pcntl_signal_get_handler(int $signo) {}
+function pcntl_signal_get_handler(int $signal) {}
 
 function pcntl_signal_dispatch(): bool {}
 
 #ifdef HAVE_SIGPROCMASK
-/** @param array $oldset */
-function pcntl_sigprocmask(int $how, array $set, &$oldset = null): bool {}
+/** @param array $old_signals */
+function pcntl_sigprocmask(int $mode, array $signals, &$old_signals = null): bool {}
 #endif
 
 #ifdef HAVE_STRUCT_SIGINFO_T
 #if defined(HAVE_SIGWAITINFO) && defined(HAVE_SIGTIMEDWAIT)
 /** @param array $info */
-function pcntl_sigwaitinfo(array $set, &$info = []): int|false {}
+function pcntl_sigwaitinfo(array $signals, &$info = []): int|false {}
 
 /** @param array $info */
-function pcntl_sigtimedwait(array $set, &$info = [], int $seconds = 0, int $nanoseconds = 0): int|false {}
+function pcntl_sigtimedwait(array $signals, &$info = [], int $seconds = 0, int $nanoseconds = 0): int|false {}
 #endif
 #endif
 
@@ -55,7 +55,7 @@ function pcntl_wtermsig(int $status): int|false {}
 
 function pcntl_wstopsig(int $status): int|false {}
 
-function pcntl_exec(string $path, array $args = [], array $envs = []): bool {}
+function pcntl_exec(string $path, array $args = [], array $env_vars = []): bool {}
 
 function pcntl_alarm(int $seconds): int {}
 
@@ -65,16 +65,16 @@ function pcntl_get_last_error(): int {}
 function pcntl_errno(): int {}
 
 #ifdef HAVE_GETPRIORITY
-function pcntl_getpriority(?int $pid = null, int $process_identifier = PRIO_PROCESS): int|false {}
+function pcntl_getpriority(?int $process_id = null, int $mode = PRIO_PROCESS): int|false {}
 #endif
 
 #ifdef HAVE_SETPRIORITY
-function pcntl_setpriority(int $priority, ?int $pid = null, int $process_identifier = PRIO_PROCESS): bool{}
+function pcntl_setpriority(int $priority, ?int $process_id = null, int $mode = PRIO_PROCESS): bool{}
 #endif
 
-function pcntl_strerror(int $errno): string {}
+function pcntl_strerror(int $error_code): string {}
 
-function pcntl_async_signals(?bool $on = null): bool {}
+function pcntl_async_signals(?bool $enable = null): bool {}
 
 #ifdef HAVE_UNSHARE
 function pcntl_unshare(int $flags): bool {}
diff --git a/ext/pcntl/pcntl_arginfo.h b/ext/pcntl/pcntl_arginfo.h
index fb0fe5fa08049..87a2579c9bbad 100644
--- a/ext/pcntl/pcntl_arginfo.h
+++ b/ext/pcntl/pcntl_arginfo.h
@@ -1,30 +1,30 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 306208d94ba3bf6f8112f868a332e99717bc07fa */
+ * Stub hash: 8742901e9b4fe5ee595a1e7c492474723f95d253 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pcntl_fork, 0, 0, IS_LONG, 0)
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pcntl_waitpid, 0, 2, IS_LONG, 0)
-	ZEND_ARG_TYPE_INFO(0, pid, IS_LONG, 0)
+	ZEND_ARG_TYPE_INFO(0, process_id, IS_LONG, 0)
 	ZEND_ARG_INFO(1, status)
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, options, IS_LONG, 0, "0")
-	ZEND_ARG_INFO_WITH_DEFAULT_VALUE(1, rusage, "[]")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, flags, IS_LONG, 0, "0")
+	ZEND_ARG_INFO_WITH_DEFAULT_VALUE(1, resource_usage, "[]")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pcntl_wait, 0, 1, IS_LONG, 0)
 	ZEND_ARG_INFO(1, status)
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, options, IS_LONG, 0, "0")
-	ZEND_ARG_INFO_WITH_DEFAULT_VALUE(1, rusage, "[]")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, flags, IS_LONG, 0, "0")
+	ZEND_ARG_INFO_WITH_DEFAULT_VALUE(1, resource_usage, "[]")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pcntl_signal, 0, 2, _IS_BOOL, 0)
-	ZEND_ARG_TYPE_INFO(0, signo, IS_LONG, 0)
+	ZEND_ARG_TYPE_INFO(0, signal, IS_LONG, 0)
 	ZEND_ARG_INFO(0, handler)
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, restart_syscalls, _IS_BOOL, 0, "true")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_signal_get_handler, 0, 0, 1)
-	ZEND_ARG_TYPE_INFO(0, signo, IS_LONG, 0)
+	ZEND_ARG_TYPE_INFO(0, signal, IS_LONG, 0)
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pcntl_signal_dispatch, 0, 0, _IS_BOOL, 0)
@@ -32,22 +32,22 @@ ZEND_END_ARG_INFO()
 
 #if defined(HAVE_SIGPROCMASK)
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pcntl_sigprocmask, 0, 2, _IS_BOOL, 0)
-	ZEND_ARG_TYPE_INFO(0, how, IS_LONG, 0)
-	ZEND_ARG_TYPE_INFO(0, set, IS_ARRAY, 0)
-	ZEND_ARG_INFO_WITH_DEFAULT_VALUE(1, oldset, "null")
+	ZEND_ARG_TYPE_INFO(0, mode, IS_LONG, 0)
+	ZEND_ARG_TYPE_INFO(0, signals, IS_ARRAY, 0)
+	ZEND_ARG_INFO_WITH_DEFAULT_VALUE(1, old_signals, "null")
 ZEND_END_ARG_INFO()
 #endif
 
 #if defined(HAVE_STRUCT_SIGINFO_T) && defined(HAVE_SIGWAITINFO) && defined(HAVE_SIGTIMEDWAIT)
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_pcntl_sigwaitinfo, 0, 1, MAY_BE_LONG|MAY_BE_FALSE)
-	ZEND_ARG_TYPE_INFO(0, set, IS_ARRAY, 0)
+	ZEND_ARG_TYPE_INFO(0, signals, IS_ARRAY, 0)
 	ZEND_ARG_INFO_WITH_DEFAULT_VALUE(1, info, "[]")
 ZEND_END_ARG_INFO()
 #endif
 
 #if defined(HAVE_STRUCT_SIGINFO_T) && defined(HAVE_SIGWAITINFO) && defined(HAVE_SIGTIMEDWAIT)
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_pcntl_sigtimedwait, 0, 1, MAY_BE_LONG|MAY_BE_FALSE)
-	ZEND_ARG_TYPE_INFO(0, set, IS_ARRAY, 0)
+	ZEND_ARG_TYPE_INFO(0, signals, IS_ARRAY, 0)
 	ZEND_ARG_INFO_WITH_DEFAULT_VALUE(1, info, "[]")
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, seconds, IS_LONG, 0, "0")
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, nanoseconds, IS_LONG, 0, "0")
@@ -79,7 +79,7 @@ ZEND_END_ARG_INFO()
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pcntl_exec, 0, 1, _IS_BOOL, 0)
 	ZEND_ARG_TYPE_INFO(0, path, IS_STRING, 0)
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, args, IS_ARRAY, 0, "[]")
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, envs, IS_ARRAY, 0, "[]")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, env_vars, IS_ARRAY, 0, "[]")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pcntl_alarm, 0, 1, IS_LONG, 0)
@@ -92,25 +92,25 @@ ZEND_END_ARG_INFO()
 
 #if defined(HAVE_GETPRIORITY)
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_pcntl_getpriority, 0, 0, MAY_BE_LONG|MAY_BE_FALSE)
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, pid, IS_LONG, 1, "null")
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, process_identifier, IS_LONG, 0, "PRIO_PROCESS")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, process_id, IS_LONG, 1, "null")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, mode, IS_LONG, 0, "PRIO_PROCESS")
 ZEND_END_ARG_INFO()
 #endif
 
 #if defined(HAVE_SETPRIORITY)
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pcntl_setpriority, 0, 1, _IS_BOOL, 0)
 	ZEND_ARG_TYPE_INFO(0, priority, IS_LONG, 0)
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, pid, IS_LONG, 1, "null")
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, process_identifier, IS_LONG, 0, "PRIO_PROCESS")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, process_id, IS_LONG, 1, "null")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, mode, IS_LONG, 0, "PRIO_PROCESS")
 ZEND_END_ARG_INFO()
 #endif
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pcntl_strerror, 0, 1, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO(0, errno, IS_LONG, 0)
+	ZEND_ARG_TYPE_INFO(0, error_code, IS_LONG, 0)
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pcntl_async_signals, 0, 0, _IS_BOOL, 0)
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, on, _IS_BOOL, 1, "null")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, enable, _IS_BOOL, 1, "null")
 ZEND_END_ARG_INFO()
 
 #if defined(HAVE_UNSHARE)
diff --git a/ext/pcntl/tests/pcntl_getpriority_error.phpt b/ext/pcntl/tests/pcntl_getpriority_error.phpt
index 5276d4df77f6e..cf2a17a6f3f53 100644
--- a/ext/pcntl/tests/pcntl_getpriority_error.phpt
+++ b/ext/pcntl/tests/pcntl_getpriority_error.phpt
@@ -20,4 +20,4 @@ try {
 
 ?>
 --EXPECT--
-pcntl_getpriority(): Argument #2 ($process_identifier) must be one of PRIO_PGRP, PRIO_USER, or PRIO_PROCESS
+pcntl_getpriority(): Argument #2 ($mode) must be one of PRIO_PGRP, PRIO_USER, or PRIO_PROCESS
diff --git a/ext/pcntl/tests/pcntl_setpriority_error.phpt b/ext/pcntl/tests/pcntl_setpriority_error.phpt
index d354ab2bc5c14..f4b578158795a 100644
--- a/ext/pcntl/tests/pcntl_setpriority_error.phpt
+++ b/ext/pcntl/tests/pcntl_setpriority_error.phpt
@@ -20,4 +20,4 @@ try {
 
 ?>
 --EXPECT--
-pcntl_setpriority(): Argument #3 ($process_identifier) must be one of PRIO_PGRP, PRIO_USER, or PRIO_PROCESS
+pcntl_setpriority(): Argument #3 ($mode) must be one of PRIO_PGRP, PRIO_USER, or PRIO_PROCESS
diff --git a/ext/pcntl/tests/pcntl_signal.phpt b/ext/pcntl/tests/pcntl_signal.phpt
index 4b94064e2a973..f05bfc3c77e02 100644
--- a/ext/pcntl/tests/pcntl_signal.phpt
+++ b/ext/pcntl/tests/pcntl_signal.phpt
@@ -45,7 +45,7 @@ echo "ok\n";
 signal dispatched
 got signal from %r\d+|nobody%r
 bool(true)
-pcntl_signal(): Argument #1 ($signo) must be greater than or equal to 1
-pcntl_signal(): Argument #1 ($signo) must be greater than or equal to 1
+pcntl_signal(): Argument #1 ($signal) must be greater than or equal to 1
+pcntl_signal(): Argument #1 ($signal) must be greater than or equal to 1
 pcntl_signal(): Argument #2 ($handler) must be of type callable|int, string given
 ok