mirror of
https://github.com/Ed94/Odin.git
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Merge remote-tracking branch 'offical/master'
This commit is contained in:
@@ -0,0 +1,435 @@
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package os
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foreign import libc "system:c"
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import "base:runtime"
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import "core:c"
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||||
import "core:strings"
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||||
import "core:sys/haiku"
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||||
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||||
Handle :: i32
|
||||
Pid :: i32
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||||
File_Time :: i64
|
||||
Errno :: i32
|
||||
|
||||
MAX_PATH :: haiku.PATH_MAX
|
||||
|
||||
ENOSYS :: int(haiku.Errno.POSIX_ERROR_BASE) + 9
|
||||
|
||||
INVALID_HANDLE :: ~Handle(0)
|
||||
|
||||
ERROR_NONE: Errno: 0
|
||||
|
||||
stdin: Handle = 0
|
||||
stdout: Handle = 1
|
||||
stderr: Handle = 2
|
||||
|
||||
pid_t :: haiku.pid_t
|
||||
off_t :: haiku.off_t
|
||||
dev_t :: haiku.dev_t
|
||||
ino_t :: haiku.ino_t
|
||||
mode_t :: haiku.mode_t
|
||||
nlink_t :: haiku.nlink_t
|
||||
uid_t :: haiku.uid_t
|
||||
gid_t :: haiku.gid_t
|
||||
blksize_t :: haiku.blksize_t
|
||||
blkcnt_t :: haiku.blkcnt_t
|
||||
time_t :: haiku.time_t
|
||||
|
||||
|
||||
Unix_File_Time :: struct {
|
||||
seconds: time_t,
|
||||
nanoseconds: c.long,
|
||||
}
|
||||
|
||||
OS_Stat :: struct {
|
||||
device_id: dev_t, // device ID that this file resides on
|
||||
serial: ino_t, // this file's serial inode ID
|
||||
mode: mode_t, // file mode (rwx for user, group, etc)
|
||||
nlink: nlink_t, // number of hard links to this file
|
||||
uid: uid_t, // user ID of the file's owner
|
||||
gid: gid_t, // group ID of the file's group
|
||||
size: off_t, // file size, in bytes
|
||||
rdev: dev_t, // device type (not used)
|
||||
block_size: blksize_t, // optimal blocksize for I/O
|
||||
|
||||
last_access: Unix_File_Time, // time of last access
|
||||
modified: Unix_File_Time, // time of last data modification
|
||||
status_change: Unix_File_Time, // time of last file status change
|
||||
birthtime: Unix_File_Time, // time of file creation
|
||||
|
||||
type: u32, // attribute/index type
|
||||
|
||||
blocks: blkcnt_t, // blocks allocated for file
|
||||
}
|
||||
|
||||
/* file access modes for open() */
|
||||
O_RDONLY :: 0x0000 /* read only */
|
||||
O_WRONLY :: 0x0001 /* write only */
|
||||
O_RDWR :: 0x0002 /* read and write */
|
||||
O_ACCMODE :: 0x0003 /* mask to get the access modes above */
|
||||
O_RWMASK :: O_ACCMODE
|
||||
|
||||
/* flags for open() */
|
||||
O_EXCL :: 0x0100 /* exclusive creat */
|
||||
O_CREATE :: 0x0200 /* create and open file */
|
||||
O_TRUNC :: 0x0400 /* open with truncation */
|
||||
O_NOCTTY :: 0x1000 /* don't make tty the controlling tty */
|
||||
O_NOTRAVERSE :: 0x2000 /* do not traverse leaf link */
|
||||
|
||||
// File type
|
||||
S_IFMT :: 0o170000 // Type of file mask
|
||||
S_IFIFO :: 0o010000 // Named pipe (fifo)
|
||||
S_IFCHR :: 0o020000 // Character special
|
||||
S_IFDIR :: 0o040000 // Directory
|
||||
S_IFBLK :: 0o060000 // Block special
|
||||
S_IFREG :: 0o100000 // Regular
|
||||
S_IFLNK :: 0o120000 // Symbolic link
|
||||
S_IFSOCK :: 0o140000 // Socket
|
||||
S_ISVTX :: 0o001000 // Save swapped text even after use
|
||||
|
||||
// File mode
|
||||
// Read, write, execute/search by owner
|
||||
S_IRWXU :: 0o0700 // RWX mask for owner
|
||||
S_IRUSR :: 0o0400 // R for owner
|
||||
S_IWUSR :: 0o0200 // W for owner
|
||||
S_IXUSR :: 0o0100 // X for owner
|
||||
|
||||
// Read, write, execute/search by group
|
||||
S_IRWXG :: 0o0070 // RWX mask for group
|
||||
S_IRGRP :: 0o0040 // R for group
|
||||
S_IWGRP :: 0o0020 // W for group
|
||||
S_IXGRP :: 0o0010 // X for group
|
||||
|
||||
// Read, write, execute/search by others
|
||||
S_IRWXO :: 0o0007 // RWX mask for other
|
||||
S_IROTH :: 0o0004 // R for other
|
||||
S_IWOTH :: 0o0002 // W for other
|
||||
S_IXOTH :: 0o0001 // X for other
|
||||
|
||||
S_ISUID :: 0o4000 // Set user id on execution
|
||||
S_ISGID :: 0o2000 // Set group id on execution
|
||||
S_ISTXT :: 0o1000 // Sticky bit
|
||||
|
||||
S_ISLNK :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFLNK }
|
||||
S_ISREG :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFREG }
|
||||
S_ISDIR :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFDIR }
|
||||
S_ISCHR :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFCHR }
|
||||
S_ISBLK :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFBLK }
|
||||
S_ISFIFO :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFIFO }
|
||||
S_ISSOCK :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFSOCK }
|
||||
|
||||
|
||||
foreign libc {
|
||||
@(link_name="_errnop") __error :: proc() -> ^c.int ---
|
||||
|
||||
@(link_name="fork") _unix_fork :: proc() -> pid_t ---
|
||||
@(link_name="getthrid") _unix_getthrid :: proc() -> int ---
|
||||
|
||||
@(link_name="open") _unix_open :: proc(path: cstring, flags: c.int, mode: c.int) -> Handle ---
|
||||
@(link_name="close") _unix_close :: proc(fd: Handle) -> c.int ---
|
||||
@(link_name="read") _unix_read :: proc(fd: Handle, buf: rawptr, size: c.size_t) -> c.ssize_t ---
|
||||
@(link_name="write") _unix_write :: proc(fd: Handle, buf: rawptr, size: c.size_t) -> c.ssize_t ---
|
||||
@(link_name="lseek") _unix_seek :: proc(fd: Handle, offset: off_t, whence: c.int) -> off_t ---
|
||||
@(link_name="stat") _unix_stat :: proc(path: cstring, sb: ^OS_Stat) -> c.int ---
|
||||
@(link_name="fstat") _unix_fstat :: proc(fd: Handle, sb: ^OS_Stat) -> c.int ---
|
||||
@(link_name="lstat") _unix_lstat :: proc(path: cstring, sb: ^OS_Stat) -> c.int ---
|
||||
@(link_name="readlink") _unix_readlink :: proc(path: cstring, buf: ^byte, bufsiz: c.size_t) -> c.ssize_t ---
|
||||
@(link_name="access") _unix_access :: proc(path: cstring, mask: c.int) -> c.int ---
|
||||
@(link_name="getcwd") _unix_getcwd :: proc(buf: cstring, len: c.size_t) -> cstring ---
|
||||
@(link_name="chdir") _unix_chdir :: proc(path: cstring) -> c.int ---
|
||||
@(link_name="rename") _unix_rename :: proc(old, new: cstring) -> c.int ---
|
||||
@(link_name="unlink") _unix_unlink :: proc(path: cstring) -> c.int ---
|
||||
@(link_name="rmdir") _unix_rmdir :: proc(path: cstring) -> c.int ---
|
||||
@(link_name="mkdir") _unix_mkdir :: proc(path: cstring, mode: mode_t) -> c.int ---
|
||||
|
||||
@(link_name="getpagesize") _unix_getpagesize :: proc() -> c.int ---
|
||||
@(link_name="sysconf") _sysconf :: proc(name: c.int) -> c.long ---
|
||||
@(link_name="fdopendir") _unix_fdopendir :: proc(fd: Handle) -> Dir ---
|
||||
@(link_name="closedir") _unix_closedir :: proc(dirp: Dir) -> c.int ---
|
||||
@(link_name="rewinddir") _unix_rewinddir :: proc(dirp: Dir) ---
|
||||
@(link_name="readdir_r") _unix_readdir_r :: proc(dirp: Dir, entry: ^Dirent, result: ^^Dirent) -> c.int ---
|
||||
|
||||
@(link_name="malloc") _unix_malloc :: proc(size: c.size_t) -> rawptr ---
|
||||
@(link_name="calloc") _unix_calloc :: proc(num, size: c.size_t) -> rawptr ---
|
||||
@(link_name="free") _unix_free :: proc(ptr: rawptr) ---
|
||||
@(link_name="realloc") _unix_realloc :: proc(ptr: rawptr, size: c.size_t) -> rawptr ---
|
||||
|
||||
@(link_name="getenv") _unix_getenv :: proc(cstring) -> cstring ---
|
||||
@(link_name="realpath") _unix_realpath :: proc(path: cstring, resolved_path: rawptr) -> rawptr ---
|
||||
|
||||
@(link_name="exit") _unix_exit :: proc(status: c.int) -> ! ---
|
||||
|
||||
@(link_name="dlopen") _unix_dlopen :: proc(filename: cstring, flags: c.int) -> rawptr ---
|
||||
@(link_name="dlsym") _unix_dlsym :: proc(handle: rawptr, symbol: cstring) -> rawptr ---
|
||||
@(link_name="dlclose") _unix_dlclose :: proc(handle: rawptr) -> c.int ---
|
||||
@(link_name="dlerror") _unix_dlerror :: proc() -> cstring ---
|
||||
}
|
||||
|
||||
MAXNAMLEN :: haiku.NAME_MAX
|
||||
|
||||
Dirent :: struct {
|
||||
dev: dev_t,
|
||||
pdef: dev_t,
|
||||
ino: ino_t,
|
||||
pino: ino_t,
|
||||
reclen: u16,
|
||||
name: [MAXNAMLEN + 1]byte, // name
|
||||
}
|
||||
|
||||
Dir :: distinct rawptr // DIR*
|
||||
|
||||
is_path_separator :: proc(r: rune) -> bool {
|
||||
return r == '/'
|
||||
}
|
||||
|
||||
get_last_error :: proc "contextless" () -> int {
|
||||
return int(__error()^)
|
||||
}
|
||||
|
||||
fork :: proc() -> (Pid, Errno) {
|
||||
pid := _unix_fork()
|
||||
if pid == -1 {
|
||||
return Pid(-1), Errno(get_last_error())
|
||||
}
|
||||
return Pid(pid), ERROR_NONE
|
||||
}
|
||||
|
||||
open :: proc(path: string, flags: int = O_RDONLY, mode: int = 0) -> (Handle, Errno) {
|
||||
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
|
||||
cstr := strings.clone_to_cstring(path, context.temp_allocator)
|
||||
handle := _unix_open(cstr, c.int(flags), c.int(mode))
|
||||
if handle == -1 {
|
||||
return INVALID_HANDLE, Errno(get_last_error())
|
||||
}
|
||||
return handle, ERROR_NONE
|
||||
}
|
||||
|
||||
close :: proc(fd: Handle) -> Errno {
|
||||
result := _unix_close(fd)
|
||||
if result == -1 {
|
||||
return Errno(get_last_error())
|
||||
}
|
||||
return ERROR_NONE
|
||||
}
|
||||
|
||||
// In practice a read/write call would probably never read/write these big buffers all at once,
|
||||
// which is why the number of bytes is returned and why there are procs that will call this in a
|
||||
// loop for you.
|
||||
// We set a max of 1GB to keep alignment and to be safe.
|
||||
@(private)
|
||||
MAX_RW :: 1 << 30
|
||||
|
||||
read :: proc(fd: Handle, data: []byte) -> (int, Errno) {
|
||||
to_read := min(c.size_t(len(data)), MAX_RW)
|
||||
bytes_read := _unix_read(fd, &data[0], to_read)
|
||||
if bytes_read == -1 {
|
||||
return -1, Errno(get_last_error())
|
||||
}
|
||||
return int(bytes_read), ERROR_NONE
|
||||
}
|
||||
|
||||
write :: proc(fd: Handle, data: []byte) -> (int, Errno) {
|
||||
if len(data) == 0 {
|
||||
return 0, ERROR_NONE
|
||||
}
|
||||
|
||||
to_write := min(c.size_t(len(data)), MAX_RW)
|
||||
bytes_written := _unix_write(fd, &data[0], to_write)
|
||||
if bytes_written == -1 {
|
||||
return -1, Errno(get_last_error())
|
||||
}
|
||||
return int(bytes_written), ERROR_NONE
|
||||
}
|
||||
|
||||
seek :: proc(fd: Handle, offset: i64, whence: int) -> (i64, Errno) {
|
||||
res := _unix_seek(fd, offset, c.int(whence))
|
||||
if res == -1 {
|
||||
return -1, Errno(get_last_error())
|
||||
}
|
||||
return res, ERROR_NONE
|
||||
}
|
||||
|
||||
file_size :: proc(fd: Handle) -> (i64, Errno) {
|
||||
s, err := _fstat(fd)
|
||||
if err != ERROR_NONE {
|
||||
return -1, err
|
||||
}
|
||||
return s.size, ERROR_NONE
|
||||
}
|
||||
|
||||
// "Argv" arguments converted to Odin strings
|
||||
args := _alloc_command_line_arguments()
|
||||
|
||||
_alloc_command_line_arguments :: proc() -> []string {
|
||||
res := make([]string, len(runtime.args__))
|
||||
for arg, i in runtime.args__ {
|
||||
res[i] = string(arg)
|
||||
}
|
||||
return res
|
||||
}
|
||||
|
||||
@private
|
||||
_stat :: proc(path: string) -> (OS_Stat, Errno) {
|
||||
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
|
||||
cstr := strings.clone_to_cstring(path, context.temp_allocator)
|
||||
|
||||
// deliberately uninitialized
|
||||
s: OS_Stat = ---
|
||||
res := _unix_stat(cstr, &s)
|
||||
if res == -1 {
|
||||
return s, Errno(get_last_error())
|
||||
}
|
||||
return s, ERROR_NONE
|
||||
}
|
||||
|
||||
@private
|
||||
_lstat :: proc(path: string) -> (OS_Stat, Errno) {
|
||||
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
|
||||
cstr := strings.clone_to_cstring(path, context.temp_allocator)
|
||||
|
||||
// deliberately uninitialized
|
||||
s: OS_Stat = ---
|
||||
res := _unix_lstat(cstr, &s)
|
||||
if res == -1 {
|
||||
return s, Errno(get_last_error())
|
||||
}
|
||||
return s, ERROR_NONE
|
||||
}
|
||||
|
||||
@private
|
||||
_fstat :: proc(fd: Handle) -> (OS_Stat, Errno) {
|
||||
// deliberately uninitialized
|
||||
s: OS_Stat = ---
|
||||
res := _unix_fstat(fd, &s)
|
||||
if res == -1 {
|
||||
return s, Errno(get_last_error())
|
||||
}
|
||||
return s, ERROR_NONE
|
||||
}
|
||||
|
||||
@private
|
||||
_fdopendir :: proc(fd: Handle) -> (Dir, Errno) {
|
||||
dirp := _unix_fdopendir(fd)
|
||||
if dirp == cast(Dir)nil {
|
||||
return nil, Errno(get_last_error())
|
||||
}
|
||||
return dirp, ERROR_NONE
|
||||
}
|
||||
|
||||
@private
|
||||
_closedir :: proc(dirp: Dir) -> Errno {
|
||||
rc := _unix_closedir(dirp)
|
||||
if rc != 0 {
|
||||
return Errno(get_last_error())
|
||||
}
|
||||
return ERROR_NONE
|
||||
}
|
||||
|
||||
@private
|
||||
_rewinddir :: proc(dirp: Dir) {
|
||||
_unix_rewinddir(dirp)
|
||||
}
|
||||
|
||||
@private
|
||||
_readdir :: proc(dirp: Dir) -> (entry: Dirent, err: Errno, end_of_stream: bool) {
|
||||
result: ^Dirent
|
||||
rc := _unix_readdir_r(dirp, &entry, &result)
|
||||
|
||||
if rc != 0 {
|
||||
err = Errno(get_last_error())
|
||||
return
|
||||
}
|
||||
err = ERROR_NONE
|
||||
|
||||
if result == nil {
|
||||
end_of_stream = true
|
||||
return
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
@private
|
||||
_readlink :: proc(path: string) -> (string, Errno) {
|
||||
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD(ignore = context.temp_allocator == context.allocator)
|
||||
path_cstr := strings.clone_to_cstring(path, context.temp_allocator)
|
||||
|
||||
bufsz : uint = MAX_PATH
|
||||
buf := make([]byte, MAX_PATH)
|
||||
for {
|
||||
rc := _unix_readlink(path_cstr, &(buf[0]), bufsz)
|
||||
if rc == -1 {
|
||||
delete(buf)
|
||||
return "", Errno(get_last_error())
|
||||
} else if rc == int(bufsz) {
|
||||
bufsz += MAX_PATH
|
||||
delete(buf)
|
||||
buf = make([]byte, bufsz)
|
||||
} else {
|
||||
return strings.string_from_ptr(&buf[0], rc), ERROR_NONE
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
absolute_path_from_handle :: proc(fd: Handle) -> (string, Errno) {
|
||||
return "", Errno(ENOSYS)
|
||||
}
|
||||
|
||||
absolute_path_from_relative :: proc(rel: string) -> (path: string, err: Errno) {
|
||||
rel := rel
|
||||
if rel == "" {
|
||||
rel = "."
|
||||
}
|
||||
|
||||
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD(ignore = context.temp_allocator == context.allocator)
|
||||
rel_cstr := strings.clone_to_cstring(rel, context.temp_allocator)
|
||||
|
||||
path_ptr := _unix_realpath(rel_cstr, nil)
|
||||
if path_ptr == nil {
|
||||
return "", Errno(get_last_error())
|
||||
}
|
||||
defer _unix_free(path_ptr)
|
||||
|
||||
path_cstr := transmute(cstring)path_ptr
|
||||
path = strings.clone( string(path_cstr) )
|
||||
|
||||
return path, ERROR_NONE
|
||||
}
|
||||
|
||||
access :: proc(path: string, mask: int) -> (bool, Errno) {
|
||||
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
|
||||
cstr := strings.clone_to_cstring(path, context.temp_allocator)
|
||||
res := _unix_access(cstr, c.int(mask))
|
||||
if res == -1 {
|
||||
return false, Errno(get_last_error())
|
||||
}
|
||||
return true, ERROR_NONE
|
||||
}
|
||||
|
||||
lookup_env :: proc(key: string, allocator := context.allocator) -> (value: string, found: bool) {
|
||||
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD(ignore = context.temp_allocator == allocator)
|
||||
path_str := strings.clone_to_cstring(key, context.temp_allocator)
|
||||
cstr := _unix_getenv(path_str)
|
||||
if cstr == nil {
|
||||
return "", false
|
||||
}
|
||||
return strings.clone(string(cstr), allocator), true
|
||||
}
|
||||
|
||||
get_env :: proc(key: string, allocator := context.allocator) -> (value: string) {
|
||||
value, _ = lookup_env(key, allocator)
|
||||
return
|
||||
}
|
||||
|
||||
@(private)
|
||||
_processor_core_count :: proc() -> int {
|
||||
info: haiku.system_info
|
||||
haiku.get_system_info(&info)
|
||||
return int(info.cpu_count)
|
||||
}
|
||||
|
||||
exit :: proc "contextless" (code: int) -> ! {
|
||||
runtime._cleanup_runtime_contextless()
|
||||
_unix_exit(i32(code))
|
||||
}
|
||||
@@ -1,4 +1,4 @@
|
||||
//+build linux, darwin, freebsd, openbsd
|
||||
//+build linux, darwin, freebsd, openbsd, haiku
|
||||
package os
|
||||
|
||||
import "core:time"
|
||||
|
||||
+3
-3
@@ -32,7 +32,7 @@ _file_stream_proc :: proc(stream_data: rawptr, mode: io.Stream_Mode, p: []byte,
|
||||
}
|
||||
|
||||
case .Read_At:
|
||||
when !(ODIN_OS == .FreeBSD || ODIN_OS == .OpenBSD) {
|
||||
when !(ODIN_OS == .FreeBSD || ODIN_OS == .OpenBSD || ODIN_OS == .Haiku) {
|
||||
n_int, os_err = read_at(fd, p, offset)
|
||||
n = i64(n_int)
|
||||
if n == 0 && os_err == 0 {
|
||||
@@ -46,7 +46,7 @@ _file_stream_proc :: proc(stream_data: rawptr, mode: io.Stream_Mode, p: []byte,
|
||||
err = .EOF
|
||||
}
|
||||
case .Write_At:
|
||||
when !(ODIN_OS == .FreeBSD || ODIN_OS == .OpenBSD) {
|
||||
when !(ODIN_OS == .FreeBSD || ODIN_OS == .OpenBSD || ODIN_OS == .Haiku) {
|
||||
n_int, os_err = write_at(fd, p, offset)
|
||||
n = i64(n_int)
|
||||
if n == 0 && os_err == 0 {
|
||||
@@ -60,7 +60,7 @@ _file_stream_proc :: proc(stream_data: rawptr, mode: io.Stream_Mode, p: []byte,
|
||||
case .Destroy:
|
||||
err = .Empty
|
||||
case .Query:
|
||||
when ODIN_OS == .FreeBSD || ODIN_OS == .OpenBSD {
|
||||
when ODIN_OS == .FreeBSD || ODIN_OS == .OpenBSD || ODIN_OS == .Haiku {
|
||||
return io.query_utility({.Close, .Flush, .Read, .Write, .Seek, .Size, .Query})
|
||||
} else {
|
||||
return io.query_utility({.Close, .Flush, .Read, .Read_At, .Write, .Write_At, .Seek, .Size, .Query})
|
||||
|
||||
Reference in New Issue
Block a user