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Kernel/LibC/Userspace: Implement mkdir and creat

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Touch now uses creat insteadd of open with O_CREAT flag
This commit is contained in:
Bananymous
2023-10-25 19:45:18 +03:00
parent e9b7cf332d
commit 6ee4d10651
11 changed files with 83 additions and 10 deletions
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2
kernel/include/kernel/Process.h
View File

@@ -96,6 +96,8 @@ namespace Kernel
BAN::ErrorOr<long> sys_close(int fd);
BAN::ErrorOr<long> sys_read(int fd, void* buffer, size_t count);
BAN::ErrorOr<long> sys_write(int fd, const void* buffer, size_t count);
BAN::ErrorOr<long> sys_create(const char*, mode_t);
BAN::ErrorOr<long> sys_create_dir(const char*, mode_t);
BAN::ErrorOr<long> sys_chmod(const char*, mode_t);

16
kernel/kernel/Process.cpp
View File

@@ -746,6 +746,22 @@ namespace Kernel
return TRY(m_open_file_descriptors.write(fd, BAN::ByteSpan((uint8_t*)buffer, count)));
}
BAN::ErrorOr<long> Process::sys_create(const char* path, mode_t mode)
{
LockGuard _(m_lock);
validate_string_access(path);
TRY(create_file_or_dir(path, mode));
return 0;
}
BAN::ErrorOr<long> Process::sys_create_dir(const char* path, mode_t mode)
{
LockGuard _(m_lock);
validate_string_access(path);
TRY(create_file_or_dir(path, Inode::Mode::IFDIR | mode));
return 0;
}
BAN::ErrorOr<long> Process::sys_chmod(const char* path, mode_t mode)
{
if (mode & S_IFMASK)

6
kernel/kernel/Syscall.cpp
View File

@@ -202,6 +202,12 @@ namespace Kernel
case SYS_CHMOD:
ret = Process::current().sys_chmod((const char*)arg1, (mode_t)arg2);
break;
case SYS_CREATE:
ret = Process::current().sys_create((const char*)arg1, (mode_t)arg2);
break;
case SYS_CREATE_DIR:
ret = Process::current().sys_create_dir((const char*)arg1, (mode_t)arg2);
break;
default:
dwarnln("Unknown syscall {}", syscall);
break;