libroot: add posix_devctl() from POSIX.1-2024

Change-Id: I2ae748b2febcdeca0256e9033119dcf9988ccc74
Reviewed-on: https://review.haiku-os.org/c/haiku/+/8556
Reviewed-by: waddlesplash <[email protected]>
Tested-by: Commit checker robot <[email protected]>
Reviewed-by: Jérôme Duval <[email protected]>

headers/posix/devctl.h

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2024 Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _DEVCTL_H_
+#define _DEVCTL_H_
+
+#include <sys/types.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int posix_devctl(int fd, int cmd, void* __restrict argument, size_t size, int* __restrict result);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif // _DEVCTL_H_

src/system/libroot/posix/Jamfile

@@ -29,6 +29,7 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 		MergeObject <$(architecture)>posix_main.o :
 			assert.cpp
 			cat.cpp
+			devctl.c
 			dlfcn.c
 			dirent.cpp
 			errno.c

src/system/libroot/posix/devctl.c

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2024 Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <devctl.h>
+#include <syscalls.h>
+
+
+int
+posix_devctl(int fd, int cmd, void* __restrict argument, size_t size, int* __restrict result)
+{
+	int status = _kern_ioctl(fd, cmd, argument, size);
+
+	if (status < B_OK)
+		return status;
+
+	if (result != NULL)
+		*result = status;
+
+	return B_OK;
+}