refactor: sync headers

Signed-off-by: EnderIce2 <enderice2@protonmail.com>

Drivers/include/syscalls.h

@@ -18,6 +18,16 @@
 #ifndef __FENNIX_API_SYSTEM_CALLS_LIST_H__
 #define __FENNIX_API_SYSTEM_CALLS_LIST_H__
 
+#if __has_include(<interface/fcntl.h>)
+#include <interface/fcntl.h>
+#else
+#include <fcntl.h>
+#endif
+
+#ifndef __fennix__
+#error "__fennix__ not defined"
+#endif
+
 #pragma region Syscall Wrappers
 
 #define scarg __UINTPTR_TYPE__
@@ -393,18 +403,18 @@ typedef enum
 
 typedef enum
 {
-	__SYS_O_RDONLY = 0x1,
-	__SYS_O_WRONLY = 0x2,
-	__SYS_O_RDWR = 0x3,
-	__SYS_O_APPEND = 0x4,
-	__SYS_O_CREAT = 0x8,
-	__SYS_O_DSYNC = 0x10,
-	__SYS_O_EXCL = 0x20,
-	__SYS_O_NOCTTY = 0x40,
-	__SYS_O_NONBLOCK = 0x80,
-	__SYS_O_RSYNC = 0x100,
-	__SYS_O_SYNC = 0x200,
-	__SYS_O_TRUNC = 0x400
+	__SYS_O_RDONLY = O_RDONLY,
+	__SYS_O_WRONLY = O_WRONLY,
+	__SYS_O_RDWR = O_RDWR,
+	__SYS_O_APPEND = O_APPEND,
+	__SYS_O_CREAT = O_CREAT,
+	__SYS_O_DSYNC = O_DSYNC,
+	__SYS_O_EXCL = O_EXCL,
+	__SYS_O_NOCTTY = O_NOCTTY,
+	__SYS_O_NONBLOCK = O_NONBLOCK,
+	__SYS_O_RSYNC = O_RSYNC,
+	__SYS_O_SYNC = O_SYNC,
+	__SYS_O_TRUNC = O_TRUNC
 } syscall_open_flags_t;
 
 typedef enum
@@ -820,6 +830,25 @@ typedef enum
 	 * - #EINVAL if the request is invalid
 	 */
 	SYS_IOCTL,
+	/**
+	 * @brief Function control
+	 *
+	 * @code
+	 * int fcntl(int fd, int cmd, void *arg);
+	 * @endcode
+	 *
+	 * @details Manipulates the underlying parameters of a device.
+	 *
+	 * @param fd File descriptor referring to the device
+	 * @param cmd Device-specific request code
+	 * @param arg Argument for the request
+	 *
+	 * @return
+	 * - #EOK on success
+	 * - #EBADF if `fd` is not valid
+	 * - #EINVAL if the request is invalid
+	 */
+	SYS_FCNTL,
 
 	/* File Status */
 
@@ -1668,6 +1697,9 @@ typedef enum
 /** @copydoc SYS_IOCTL */
 #define call_ioctl(fd, request, argp) syscall3(SYS_IOCTL, (scarg)fd, (scarg)request, (scarg)argp)
 
+/** @copydoc SYS_FCNTL */
+#define call_fcntl(fd, cmd, arg) syscall3(SYS_FCNTL, (scarg)fd, (scarg)cmd, (scarg)arg)
+
 /* File Status */
 
 /** @copydoc SYS_STAT */