mirror of
https://github.com/RGBCube/serenity
synced 2025-05-14 07:54:58 +00:00
740140a661
This patch begins the work of sharing types and macros between Kernel and LibC instead of duplicating them via the kludge in UnixTypes.h. The basic idea is that the Kernel vends various POSIX headers via Kernel/API/POSIX/ and LibC simply #include's them to get the macros.
90 lines
2.2 KiB
C++
90 lines
2.2 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* Copyright (c) 2021, sin-ack <sin-ack@protonmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <limits.h>
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include <syscall.h>
|
|
|
|
extern "C" {
|
|
|
|
int fcntl(int fd, int cmd, ...)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, cmd);
|
|
u32 extra_arg = va_arg(ap, u32);
|
|
int rc = syscall(SC_fcntl, fd, cmd, extra_arg);
|
|
va_end(ap);
|
|
__RETURN_WITH_ERRNO(rc, rc, -1);
|
|
}
|
|
|
|
int create_inode_watcher(unsigned flags)
|
|
{
|
|
int rc = syscall(SC_create_inode_watcher, flags);
|
|
__RETURN_WITH_ERRNO(rc, rc, -1);
|
|
}
|
|
|
|
int inode_watcher_add_watch(int fd, const char* path, size_t path_length, unsigned event_mask)
|
|
{
|
|
Syscall::SC_inode_watcher_add_watch_params params { fd, { path, path_length }, event_mask };
|
|
int rc = syscall(SC_inode_watcher_add_watch, ¶ms);
|
|
__RETURN_WITH_ERRNO(rc, rc, -1);
|
|
}
|
|
|
|
int inode_watcher_remove_watch(int fd, int wd)
|
|
{
|
|
int rc = syscall(SC_inode_watcher_remove_watch, fd, wd);
|
|
__RETURN_WITH_ERRNO(rc, rc, -1);
|
|
}
|
|
|
|
int creat(const char* path, mode_t mode)
|
|
{
|
|
return open(path, O_CREAT | O_WRONLY | O_TRUNC, mode);
|
|
}
|
|
|
|
int open(const char* path, int options, ...)
|
|
{
|
|
if (!path) {
|
|
errno = EFAULT;
|
|
return -1;
|
|
}
|
|
auto path_length = strlen(path);
|
|
if (path_length > INT32_MAX) {
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
va_list ap;
|
|
va_start(ap, options);
|
|
auto mode = (mode_t)va_arg(ap, unsigned);
|
|
va_end(ap);
|
|
Syscall::SC_open_params params { AT_FDCWD, { path, path_length }, options, mode };
|
|
int rc = syscall(SC_open, ¶ms);
|
|
__RETURN_WITH_ERRNO(rc, rc, -1);
|
|
}
|
|
|
|
int openat(int dirfd, const char* path, int options, ...)
|
|
{
|
|
if (!path) {
|
|
errno = EFAULT;
|
|
return -1;
|
|
}
|
|
auto path_length = strlen(path);
|
|
if (path_length > INT32_MAX) {
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
va_list ap;
|
|
va_start(ap, options);
|
|
auto mode = (mode_t)va_arg(ap, unsigned);
|
|
va_end(ap);
|
|
Syscall::SC_open_params params { dirfd, { path, path_length }, options, mode };
|
|
int rc = syscall(SC_open, ¶ms);
|
|
__RETURN_WITH_ERRNO(rc, rc, -1);
|
|
}
|
|
}
|