mirror of
https://github.com/SerenityOS/serenity
synced 2024-10-08 17:09:41 +00:00
bda0c935c2
This patch adds most of the plumbing for working file deletion in Ext2FS. Directory entries are removed and inode link counts updated. We don't yet update the inode or block bitmaps, I will do that separately.
160 lines
4.3 KiB
C++
160 lines
4.3 KiB
C++
#pragma once
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#include <AK/Types.h>
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#define ENUMERATE_SYSCALLS \
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__ENUMERATE_SYSCALL(sleep) \
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__ENUMERATE_SYSCALL(yield) \
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__ENUMERATE_SYSCALL(putch) \
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__ENUMERATE_SYSCALL(open) \
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__ENUMERATE_SYSCALL(close) \
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__ENUMERATE_SYSCALL(read) \
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__ENUMERATE_SYSCALL(lseek) \
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__ENUMERATE_SYSCALL(kill) \
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__ENUMERATE_SYSCALL(getuid) \
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__ENUMERATE_SYSCALL(exit) \
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__ENUMERATE_SYSCALL(getgid) \
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__ENUMERATE_SYSCALL(getpid) \
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__ENUMERATE_SYSCALL(waitpid) \
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__ENUMERATE_SYSCALL(mmap) \
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__ENUMERATE_SYSCALL(munmap) \
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__ENUMERATE_SYSCALL(get_dir_entries) \
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__ENUMERATE_SYSCALL(lstat) \
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__ENUMERATE_SYSCALL(getcwd) \
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__ENUMERATE_SYSCALL(gettimeofday) \
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__ENUMERATE_SYSCALL(gethostname) \
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__ENUMERATE_SYSCALL(get_arguments) \
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__ENUMERATE_SYSCALL(chdir) \
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__ENUMERATE_SYSCALL(uname) \
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__ENUMERATE_SYSCALL(set_mmap_name) \
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__ENUMERATE_SYSCALL(readlink) \
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__ENUMERATE_SYSCALL(write) \
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__ENUMERATE_SYSCALL(ttyname_r) \
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__ENUMERATE_SYSCALL(stat) \
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__ENUMERATE_SYSCALL(get_environment) \
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__ENUMERATE_SYSCALL(getsid) \
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__ENUMERATE_SYSCALL(setsid) \
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__ENUMERATE_SYSCALL(getpgid) \
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__ENUMERATE_SYSCALL(setpgid) \
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__ENUMERATE_SYSCALL(getpgrp) \
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__ENUMERATE_SYSCALL(fork) \
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__ENUMERATE_SYSCALL(execve) \
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__ENUMERATE_SYSCALL(geteuid) \
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__ENUMERATE_SYSCALL(getegid) \
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__ENUMERATE_SYSCALL(isatty) \
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__ENUMERATE_SYSCALL(getdtablesize) \
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__ENUMERATE_SYSCALL(dup) \
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__ENUMERATE_SYSCALL(dup2) \
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__ENUMERATE_SYSCALL(sigaction) \
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__ENUMERATE_SYSCALL(getppid) \
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__ENUMERATE_SYSCALL(umask) \
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__ENUMERATE_SYSCALL(getgroups) \
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__ENUMERATE_SYSCALL(setgroups) \
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__ENUMERATE_SYSCALL(sigreturn) \
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__ENUMERATE_SYSCALL(sigprocmask) \
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__ENUMERATE_SYSCALL(sigpending) \
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__ENUMERATE_SYSCALL(pipe) \
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__ENUMERATE_SYSCALL(killpg) \
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__ENUMERATE_SYSCALL(setuid) \
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__ENUMERATE_SYSCALL(setgid) \
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__ENUMERATE_SYSCALL(alarm) \
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__ENUMERATE_SYSCALL(fstat) \
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__ENUMERATE_SYSCALL(access) \
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__ENUMERATE_SYSCALL(fcntl) \
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__ENUMERATE_SYSCALL(ioctl) \
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__ENUMERATE_SYSCALL(mkdir) \
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__ENUMERATE_SYSCALL(times) \
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__ENUMERATE_SYSCALL(utime) \
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__ENUMERATE_SYSCALL(sync) \
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__ENUMERATE_SYSCALL(ptsname_r) \
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__ENUMERATE_SYSCALL(gui_create_window) \
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__ENUMERATE_SYSCALL(gui_destroy_window) \
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__ENUMERATE_SYSCALL(gui_get_window_backing_store) \
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__ENUMERATE_SYSCALL(gui_invalidate_window) \
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__ENUMERATE_SYSCALL(select) \
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__ENUMERATE_SYSCALL(gui_get_window_parameters) \
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__ENUMERATE_SYSCALL(gui_set_window_parameters) \
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__ENUMERATE_SYSCALL(unlink) \
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struct fd_set;
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namespace Syscall {
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enum Function {
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#undef __ENUMERATE_SYSCALL
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#define __ENUMERATE_SYSCALL(x) SC_ ##x ,
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ENUMERATE_SYSCALLS
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#undef __ENUMERATE_SYSCALL
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};
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inline constexpr const char* toString(Function function)
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{
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switch (function) {
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#undef __ENUMERATE_SYSCALL
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#define __ENUMERATE_SYSCALL(x) case SC_ ##x: return #x;
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ENUMERATE_SYSCALLS
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#undef __ENUMERATE_SYSCALL
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}
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return "Unknown";
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}
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struct SC_mmap_params {
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uint32_t addr;
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uint32_t size;
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int32_t prot;
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int32_t flags;
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int32_t fd;
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int32_t offset; // FIXME: 64-bit off_t?
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};
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struct SC_select_params {
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int nfds;
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fd_set* readfds;
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fd_set* writefds;
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fd_set* exceptfds;
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struct timeval* timeout;
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};
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void initialize();
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int sync();
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inline dword invoke(Function function)
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{
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dword result;
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asm volatile("int $0x80":"=a"(result):"a"(function):"memory");
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return result;
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}
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template<typename T1>
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inline dword invoke(Function function, T1 arg1)
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{
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dword result;
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asm volatile("int $0x80":"=a"(result):"a"(function),"d"((dword)arg1):"memory");
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return result;
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}
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template<typename T1, typename T2>
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inline dword invoke(Function function, T1 arg1, T2 arg2)
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{
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dword result;
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asm volatile("int $0x80":"=a"(result):"a"(function),"d"((dword)arg1),"c"((dword)arg2):"memory");
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return result;
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}
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template<typename T1, typename T2, typename T3>
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inline dword invoke(Function function, T1 arg1, T2 arg2, T3 arg3)
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{
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dword result;
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asm volatile("int $0x80":"=a"(result):"a"(function),"d"((dword)arg1),"c"((dword)arg2),"b"((dword)arg3):"memory");
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return result;
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}
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}
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#undef __ENUMERATE_SYSCALL
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#define __ENUMERATE_SYSCALL(x) using Syscall::SC_ ##x;
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ENUMERATE_SYSCALLS
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#undef __ENUMERATE_SYSCALL
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#define syscall Syscall::invoke
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