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Odin/core/os/os_darwin.odin
simon e7adfff9bf bugfix: darwin net flags
2023-10-06 16:41:13 +01:00

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Odin
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package os
foreign import dl "system:dl"
foreign import libc "System.framework"
foreign import pthread "System.framework"
import "core:runtime"
import "core:strings"
import "core:c"
Handle :: distinct i32
File_Time :: distinct u64
Errno :: distinct int
INVALID_HANDLE :: ~Handle(0)
ERROR_NONE: Errno : 0
EPERM: Errno : 1 /* Operation not permitted */
ENOENT: Errno : 2 /* No such file or directory */
ESRCH: Errno : 3 /* No such process */
EINTR: Errno : 4 /* Interrupted system call */
EIO: Errno : 5 /* Input/output error */
ENXIO: Errno : 6 /* Device not configured */
E2BIG: Errno : 7 /* Argument list too long */
ENOEXEC: Errno : 8 /* Exec format error */
EBADF: Errno : 9 /* Bad file descriptor */
ECHILD: Errno : 10 /* No child processes */
EDEADLK: Errno : 11 /* Resource deadlock avoided */
ENOMEM: Errno : 12 /* Cannot allocate memory */
EACCES: Errno : 13 /* Permission denied */
EFAULT: Errno : 14 /* Bad address */
ENOTBLK: Errno : 15 /* Block device required */
EBUSY: Errno : 16 /* Device / Resource busy */
EEXIST: Errno : 17 /* File exists */
EXDEV: Errno : 18 /* Cross-device link */
ENODEV: Errno : 19 /* Operation not supported by device */
ENOTDIR: Errno : 20 /* Not a directory */
EISDIR: Errno : 21 /* Is a directory */
EINVAL: Errno : 22 /* Invalid argument */
ENFILE: Errno : 23 /* Too many open files in system */
EMFILE: Errno : 24 /* Too many open files */
ENOTTY: Errno : 25 /* Inappropriate ioctl for device */
ETXTBSY: Errno : 26 /* Text file busy */
EFBIG: Errno : 27 /* File too large */
ENOSPC: Errno : 28 /* No space left on device */
ESPIPE: Errno : 29 /* Illegal seek */
EROFS: Errno : 30 /* Read-only file system */
EMLINK: Errno : 31 /* Too many links */
EPIPE: Errno : 32 /* Broken pipe */
/* math software */
EDOM: Errno : 33 /* Numerical argument out of domain */
ERANGE: Errno : 34 /* Result too large */
/* non-blocking and interrupt i/o */
EAGAIN: Errno : 35 /* Resource temporarily unavailable */
EWOULDBLOCK: Errno : EAGAIN /* Operation would block */
EINPROGRESS: Errno : 36 /* Operation now in progress */
EALREADY: Errno : 37 /* Operation already in progress */
/* ipc/network software -- argument errors */
ENOTSOCK: Errno : 38 /* Socket operation on non-socket */
EDESTADDRREQ: Errno : 39 /* Destination address required */
EMSGSIZE: Errno : 40 /* Message too long */
EPROTOTYPE: Errno : 41 /* Protocol wrong type for socket */
ENOPROTOOPT: Errno : 42 /* Protocol not available */
EPROTONOSUPPORT: Errno : 43 /* Protocol not supported */
ESOCKTNOSUPPORT: Errno : 44 /* Socket type not supported */
ENOTSUP: Errno : 45 /* Operation not supported */
EOPNOTSUPP:: ENOTSUP
EPFNOSUPPORT: Errno : 46 /* Protocol family not supported */
EAFNOSUPPORT: Errno : 47 /* Address family not supported by protocol family */
EADDRINUSE: Errno : 48 /* Address already in use */
EADDRNOTAVAIL: Errno : 49 /* Can't assign requested address */
/* ipc/network software -- operational errors */
ENETDOWN: Errno : 50 /* Network is down */
ENETUNREACH: Errno : 51 /* Network is unreachable */
ENETRESET: Errno : 52 /* Network dropped connection on reset */
ECONNABORTED: Errno : 53 /* Software caused connection abort */
ECONNRESET: Errno : 54 /* Connection reset by peer */
ENOBUFS: Errno : 55 /* No buffer space available */
EISCONN: Errno : 56 /* Socket is already connected */
ENOTCONN: Errno : 57 /* Socket is not connected */
ESHUTDOWN: Errno : 58 /* Can't send after socket shutdown */
ETOOMANYREFS: Errno : 59 /* Too many references: can't splice */
ETIMEDOUT: Errno : 60 /* Operation timed out */
ECONNREFUSED: Errno : 61 /* Connection refused */
ELOOP: Errno : 62 /* Too many levels of symbolic links */
ENAMETOOLONG: Errno : 63 /* File name too long */
/* should be rearranged */
EHOSTDOWN: Errno : 64 /* Host is down */
EHOSTUNREACH: Errno : 65 /* No route to host */
ENOTEMPTY: Errno : 66 /* Directory not empty */
/* quotas & mush */
EPROCLIM: Errno : 67 /* Too many processes */
EUSERS: Errno : 68 /* Too many users */
EDQUOT: Errno : 69 /* Disc quota exceeded */
/* Network File System */
ESTALE: Errno : 70 /* Stale NFS file handle */
EREMOTE: Errno : 71 /* Too many levels of remote in path */
EBADRPC: Errno : 72 /* RPC struct is bad */
ERPCMISMATCH: Errno : 73 /* RPC version wrong */
EPROGUNAVAIL: Errno : 74 /* RPC prog. not avail */
EPROGMISMATCH: Errno : 75 /* Program version wrong */
EPROCUNAVAIL: Errno : 76 /* Bad procedure for program */
ENOLCK: Errno : 77 /* No locks available */
ENOSYS: Errno : 78 /* Function not implemented */
EFTYPE: Errno : 79 /* Inappropriate file type or format */
EAUTH: Errno : 80 /* Authentication error */
ENEEDAUTH: Errno : 81 /* Need authenticator */
/* Intelligent device errors */
EPWROFF: Errno : 82 /* Device power is off */
EDEVERR: Errno : 83 /* Device error, e.g. paper out */
EOVERFLOW: Errno : 84 /* Value too large to be stored in data type */
/* Program loading errors */
EBADEXEC: Errno : 85 /* Bad executable */
EBADARCH: Errno : 86 /* Bad CPU type in executable */
ESHLIBVERS: Errno : 87 /* Shared library version mismatch */
EBADMACHO: Errno : 88 /* Malformed Macho file */
ECANCELED: Errno : 89 /* Operation canceled */
EIDRM: Errno : 90 /* Identifier removed */
ENOMSG: Errno : 91 /* No message of desired type */
EILSEQ: Errno : 92 /* Illegal byte sequence */
ENOATTR: Errno : 93 /* Attribute not found */
EBADMSG: Errno : 94 /* Bad message */
EMULTIHOP: Errno : 95 /* Reserved */
ENODATA: Errno : 96 /* No message available on STREAM */
ENOLINK: Errno : 97 /* Reserved */
ENOSR: Errno : 98 /* No STREAM resources */
ENOSTR: Errno : 99 /* Not a STREAM */
EPROTO: Errno : 100 /* Protocol error */
ETIME: Errno : 101 /* STREAM ioctl timeout */
ENOPOLICY: Errno : 103 /* No such policy registered */
ENOTRECOVERABLE: Errno : 104 /* State not recoverable */
EOWNERDEAD: Errno : 105 /* Previous owner died */
EQFULL: Errno : 106 /* Interface output queue is full */
ELAST: Errno : 106 /* Must be equal largest errno */
O_RDONLY :: 0x0000
O_WRONLY :: 0x0001
O_RDWR :: 0x0002
O_CREATE :: 0x0200
O_EXCL :: 0x0800
O_NOCTTY :: 0
O_TRUNC :: 0x0400
O_NONBLOCK :: 0x0004
O_APPEND :: 0x0008
O_SYNC :: 0x0080
O_ASYNC :: 0x0040
O_CLOEXEC :: 0x1000000
SEEK_DATA :: 3
SEEK_HOLE :: 4
SEEK_MAX :: SEEK_HOLE
// NOTE(zangent): These are OS specific!
// Do not mix these up!
RTLD_LAZY :: 0x1
RTLD_NOW :: 0x2
RTLD_LOCAL :: 0x4
RTLD_GLOBAL :: 0x8
RTLD_NODELETE :: 0x80
RTLD_NOLOAD :: 0x10
RTLD_FIRST :: 0x100
SOL_SOCKET :: 0xFFFF
SOCK_STREAM :: 1
SOCK_DGRAM :: 2
SOCK_RAW :: 3
SOCK_RDM :: 4
SOCK_SEQPACKET :: 5
SO_DEBUG :: 0x0001
SO_ACCEPTCONN :: 0x0002
SO_REUSEADDR :: 0x0004
SO_KEEPALIVE :: 0x0008
SO_DONTROUTE :: 0x0010
SO_BROADCAST :: 0x0020
SO_USELOOPBACK :: 0x0040
SO_LINGER :: 0x0080
SO_OOBINLINE :: 0x0100
SO_REUSEPORT :: 0x0200
SO_TIMESTAMP :: 0x0400
SO_DONTTRUNC :: 0x2000
SO_WANTMORE :: 0x4000
SO_WANTOOBFLAG :: 0x8000
SO_SNDBUF :: 0x1001
SO_RCVBUF :: 0x1002
SO_SNDLOWAT :: 0x1003
SO_RCVLOWAT :: 0x1004
SO_SNDTIMEO :: 0x1005
SO_RCVTIMEO :: 0x1006
SO_ERROR :: 0x1007
SO_TYPE :: 0x1008
SO_PRIVSTATE :: 0x1009
SO_NREAD :: 0x1020
SO_NKE :: 0x1021
AF_UNSPEC :: 0
AF_LOCAL :: 1
AF_UNIX :: AF_LOCAL
AF_INET :: 2
AF_IMPLINK :: 3
AF_PUP :: 4
AF_CHAOS :: 5
AF_NS :: 6
AF_ISO :: 7
AF_OSI :: AF_ISO
AF_ECMA :: 8
AF_DATAKIT :: 9
AF_CCITT :: 10
AF_SNA :: 11
AF_DECnet :: 12
AF_DLI :: 13
AF_LAT :: 14
AF_HYLINK :: 15
AF_APPLETALK :: 16
AF_ROUTE :: 17
AF_LINK :: 18
pseudo_AF_XTP :: 19
AF_COIP :: 20
AF_CNT :: 21
pseudo_AF_RTIP :: 22
AF_IPX :: 23
AF_SIP :: 24
pseudo_AF_PIP :: 25
pseudo_AF_BLUE :: 26
AF_NDRV :: 27
AF_ISDN :: 28
AF_E164 :: AF_ISDN
pseudo_AF_KEY :: 29
AF_INET6 :: 30
AF_NATM :: 31
AF_SYSTEM :: 32
AF_NETBIOS :: 33
AF_PPP :: 34
TCP_NODELAY :: 0x01
TCP_MAXSEG :: 0x02
TCP_NOPUSH :: 0x04
TCP_NOOPT :: 0x08
IPPROTO_ICMP :: 1
IPPROTO_TCP :: 6
IPPROTO_UDP :: 17
SHUT_RD :: 0
SHUT_WR :: 1
SHUT_RDWR :: 2
F_GETFL: int : 3 /* Get file flags */
F_SETFL: int : 4 /* Set file flags */
// "Argv" arguments converted to Odin strings
args := _alloc_command_line_arguments()
Unix_File_Time :: struct {
seconds: i64,
nanoseconds: i64,
}
OS_Stat :: struct {
device_id: i32, // ID of device containing file
mode: u16, // Mode of the file
nlink: u16, // Number of hard links
serial: u64, // File serial number
uid: u32, // User ID of the file's owner
gid: u32, // Group ID of the file's group
rdev: i32, // Device ID, if device
last_access: Unix_File_Time, // Time of last access
modified: Unix_File_Time, // Time of last modification
status_change: Unix_File_Time, // Time of last status change
created: Unix_File_Time, // Time of creation
size: i64, // Size of the file, in bytes
blocks: i64, // Number of blocks allocated for the file
block_size: i32, // Optimal blocksize for I/O
flags: u32, // User-defined flags for the file
gen_num: u32, // File generation number ..?
_spare: i32, // RESERVED
_reserve1,
_reserve2: i64, // RESERVED
}
DARWIN_MAXPATHLEN :: 1024
Dirent :: struct {
ino: u64,
off: u64,
reclen: u16,
namlen: u16,
type: u8,
name: [DARWIN_MAXPATHLEN]byte,
}
Dir :: distinct rawptr // DIR*
ADDRESS_FAMILY :: c.char
SOCKADDR :: struct #packed {
len: c.char,
family: ADDRESS_FAMILY,
sa_data: [14]c.char,
}
SOCKADDR_STORAGE_LH :: struct #packed {
len: c.char,
family: ADDRESS_FAMILY,
__ss_pad1: [6]c.char,
__ss_align: i64,
__ss_pad2: [112]c.char,
}
sockaddr_in :: struct #packed {
sin_len: c.char,
sin_family: ADDRESS_FAMILY,
sin_port: u16be,
sin_addr: in_addr,
sin_zero: [8]c.char,
}
sockaddr_in6 :: struct #packed {
sin6_len: c.char,
sin6_family: ADDRESS_FAMILY,
sin6_port: u16be,
sin6_flowinfo: c.uint,
sin6_addr: in6_addr,
sin6_scope_id: c.uint,
}
in_addr :: struct #packed {
s_addr: u32,
}
in6_addr :: struct #packed {
s6_addr: [16]u8,
}
SIOCGIFFLAG :: enum c.int {
UP = 0, /* Interface is up. */
BROADCAST = 1, /* Broadcast address valid. */
DEBUG = 2, /* Turn on debugging. */
LOOPBACK = 3, /* Is a loopback net. */
POINT_TO_POINT = 4, /* Interface is point-to-point link. */
NO_TRAILERS = 5, /* Avoid use of trailers. */
RUNNING = 6, /* Resources allocated. */
NOARP = 7, /* No address resolution protocol. */
PROMISC = 8, /* Receive all packets. */
ALL_MULTI = 9, /* Receive all multicast packets. Unimplemented. */
}
SIOCGIFFLAGS :: bit_set[SIOCGIFFLAG; c.int]
ifaddrs :: struct {
next: ^ifaddrs,
name: cstring,
flags: SIOCGIFFLAGS,
address: ^SOCKADDR,
netmask: ^SOCKADDR,
broadcast_or_dest: ^SOCKADDR, // Broadcast or Point-to-Point address
data: rawptr, // Address-specific data.
}
Timeval :: struct {
seconds: i64,
microseconds: int,
}
Linger :: struct {
onoff: int,
linger: int,
}
Socket :: distinct int
socklen_t :: c.int
// 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
// 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_ISVTX :: 0o1000 // Directory restrcted delete
S_ISLNK :: #force_inline proc(m: u16) -> bool { return (m & S_IFMT) == S_IFLNK }
S_ISREG :: #force_inline proc(m: u16) -> bool { return (m & S_IFMT) == S_IFREG }
S_ISDIR :: #force_inline proc(m: u16) -> bool { return (m & S_IFMT) == S_IFDIR }
S_ISCHR :: #force_inline proc(m: u16) -> bool { return (m & S_IFMT) == S_IFCHR }
S_ISBLK :: #force_inline proc(m: u16) -> bool { return (m & S_IFMT) == S_IFBLK }
S_ISFIFO :: #force_inline proc(m: u16) -> bool { return (m & S_IFMT) == S_IFIFO }
S_ISSOCK :: #force_inline proc(m: u16) -> bool { return (m & S_IFMT) == S_IFSOCK }
R_OK :: 4 // Test for read permission
W_OK :: 2 // Test for write permission
X_OK :: 1 // Test for execute permission
F_OK :: 0 // Test for file existance
F_GETPATH :: 50 // return the full path of the fd
foreign libc {
@(link_name="__error") __error :: proc() -> ^c.int ---
@(link_name="open") _unix_open :: proc(path: cstring, flags: i32, mode: u16) -> Handle ---
@(link_name="close") _unix_close :: proc(handle: Handle) -> c.int ---
@(link_name="read") _unix_read :: proc(handle: Handle, buffer: rawptr, count: c.size_t) -> int ---
@(link_name="write") _unix_write :: proc(handle: Handle, buffer: rawptr, count: c.size_t) -> int ---
@(link_name="pread") _unix_pread :: proc(handle: Handle, buffer: rawptr, count: c.size_t, offset: i64) -> int ---
@(link_name="pwrite") _unix_pwrite :: proc(handle: Handle, buffer: rawptr, count: c.size_t, offset: i64) -> int ---
@(link_name="lseek") _unix_lseek :: proc(fs: Handle, offset: int, whence: int) -> int ---
@(link_name="gettid") _unix_gettid :: proc() -> u64 ---
@(link_name="getpagesize") _unix_getpagesize :: proc() -> i32 ---
@(link_name="stat64") _unix_stat :: proc(path: cstring, stat: ^OS_Stat) -> c.int ---
@(link_name="lstat64") _unix_lstat :: proc(path: cstring, stat: ^OS_Stat) -> c.int ---
@(link_name="fstat64") _unix_fstat :: proc(fd: Handle, stat: ^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: int) -> int ---
@(link_name="fdopendir$INODE64") _unix_fdopendir_amd64 :: proc(fd: Handle) -> Dir ---
@(link_name="readdir_r$INODE64") _unix_readdir_r_amd64 :: proc(dirp: Dir, entry: ^Dirent, result: ^^Dirent) -> c.int ---
@(link_name="fdopendir") _unix_fdopendir_arm64 :: proc(fd: Handle) -> Dir ---
@(link_name="readdir_r") _unix_readdir_r_arm64 :: proc(dirp: Dir, entry: ^Dirent, result: ^^Dirent) -> c.int ---
@(link_name="closedir") _unix_closedir :: proc(dirp: Dir) -> c.int ---
@(link_name="rewinddir") _unix_rewinddir :: proc(dirp: Dir) ---
@(link_name="__fcntl") _unix__fcntl :: proc(fd: Handle, cmd: c.int, arg: uintptr) -> c.int ---
@(link_name="rename") _unix_rename :: proc(old: cstring, new: cstring) -> c.int ---
@(link_name="remove") _unix_remove :: proc(path: cstring) -> c.int ---
@(link_name="fchmod") _unix_fchmod :: proc(fd: Handle, mode: u16) -> c.int ---
@(link_name="malloc") _unix_malloc :: proc(size: int) -> rawptr ---
@(link_name="calloc") _unix_calloc :: proc(num, size: int) -> rawptr ---
@(link_name="free") _unix_free :: proc(ptr: rawptr) ---
@(link_name="realloc") _unix_realloc :: proc(ptr: rawptr, size: int) -> rawptr ---
@(link_name="getenv") _unix_getenv :: proc(cstring) -> cstring ---
@(link_name="getcwd") _unix_getcwd :: proc(buf: cstring, len: c.size_t) -> cstring ---
@(link_name="chdir") _unix_chdir :: proc(buf: cstring) -> c.int ---
@(link_name="mkdir") _unix_mkdir :: proc(buf: cstring, mode: u16) -> c.int ---
@(link_name="realpath") _unix_realpath :: proc(path: cstring, resolved_path: rawptr) -> rawptr ---
@(link_name="strerror") _darwin_string_error :: proc(num : c.int) -> cstring ---
@(link_name="sysctlbyname") _sysctlbyname :: proc(path: cstring, oldp: rawptr, oldlenp: rawptr, newp: rawptr, newlen: int) -> c.int ---
@(link_name="socket") _unix_socket :: proc(domain: int, type: int, protocol: int) -> int ---
@(link_name="listen") _unix_listen :: proc(socket: int, backlog: int) -> int ---
@(link_name="accept") _unix_accept :: proc(socket: int, addr: rawptr, addr_len: rawptr) -> int ---
@(link_name="connect") _unix_connect :: proc(socket: int, addr: rawptr, addr_len: socklen_t) -> int ---
@(link_name="bind") _unix_bind :: proc(socket: int, addr: rawptr, addr_len: socklen_t) -> int ---
@(link_name="setsockopt") _unix_setsockopt :: proc(socket: int, level: int, opt_name: int, opt_val: rawptr, opt_len: socklen_t) -> int ---
@(link_name="getsockopt") _unix_getsockopt :: proc(socket: int, level: int, opt_name: int, opt_val: rawptr, opt_len: socklen_t) -> int ---
@(link_name="recvfrom") _unix_recvfrom :: proc(socket: int, buffer: rawptr, buffer_len: c.size_t, flags: int, addr: rawptr, addr_len: ^socklen_t) -> c.ssize_t ---
@(link_name="recv") _unix_recv :: proc(socket: int, buffer: rawptr, buffer_len: c.size_t, flags: int) -> c.ssize_t ---
@(link_name="sendto") _unix_sendto :: proc(socket: int, buffer: rawptr, buffer_len: c.size_t, flags: int, addr: rawptr, addr_len: socklen_t) -> c.ssize_t ---
@(link_name="send") _unix_send :: proc(socket: int, buffer: rawptr, buffer_len: c.size_t, flags: int) -> c.ssize_t ---
@(link_name="shutdown") _unix_shutdown :: proc(socket: int, how: int) -> int ---
@(link_name="getifaddrs") _getifaddrs :: proc(ifap: ^^ifaddrs) -> (c.int) ---
@(link_name="freeifaddrs") _freeifaddrs :: proc(ifa: ^ifaddrs) ---
@(link_name="exit") _unix_exit :: proc(status: c.int) -> ! ---
}
when ODIN_ARCH != .arm64 {
_unix_fdopendir :: proc {_unix_fdopendir_amd64}
_unix_readdir_r :: proc {_unix_readdir_r_amd64}
} else {
_unix_fdopendir :: proc {_unix_fdopendir_arm64}
_unix_readdir_r :: proc {_unix_readdir_r_arm64}
}
foreign dl {
@(link_name="dlopen") _unix_dlopen :: proc(filename: cstring, flags: int) -> rawptr ---
@(link_name="dlsym") _unix_dlsym :: proc(handle: rawptr, symbol: cstring) -> rawptr ---
@(link_name="dlclose") _unix_dlclose :: proc(handle: rawptr) -> int ---
@(link_name="dlerror") _unix_dlerror :: proc() -> cstring ---
}
get_last_error :: proc "contextless" () -> int {
return int(__error()^)
}
get_last_error_string :: proc() -> string {
return cast(string)_darwin_string_error(cast(c.int)get_last_error())
}
open :: proc(path: string, flags: int = O_RDWR, mode: int = 0) -> (Handle, Errno) {
isDir := is_dir_path(path)
flags := flags
if isDir {
/*
@INFO(Platin): To make it impossible to use the wrong flag for dir's
as you can't write to a dir only read which makes it fail to open
*/
flags = O_RDONLY
}
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
cstr := strings.clone_to_cstring(path, context.temp_allocator)
handle := _unix_open(cstr, i32(flags), u16(mode))
if handle == -1 {
return INVALID_HANDLE, cast(Errno)get_last_error()
}
/*
@INFO(Platin): this is only done because O_CREATE for some reason fails to apply mode
should not happen if the handle is a directory
*/
if mode != 0 && !isDir {
err := fchmod(handle, cast(u16)mode)
if err != 0 {
_unix_close(handle)
return INVALID_HANDLE, cast(Errno)err
}
}
return handle, 0
}
fchmod :: proc(fd: Handle, mode: u16) -> Errno {
return cast(Errno)_unix_fchmod(fd, mode)
}
close :: proc(fd: Handle) -> bool {
return _unix_close(fd) == 0
}
@(private)
MAX_RW :: 0x7fffffff // The limit on Darwin is max(i32), trying to read/write more than that fails.
write :: proc(fd: Handle, data: []byte) -> (int, Errno) {
if len(data) == 0 {
return 0, ERROR_NONE
}
bytes_written := _unix_write(fd, raw_data(data), c.size_t(len(data)))
if bytes_written < 0 {
return -1, Errno(get_last_error())
}
return bytes_written, ERROR_NONE
}
read :: proc(fd: Handle, data: []u8) -> (int, Errno) {
if len(data) == 0 {
return 0, ERROR_NONE
}
bytes_read := _unix_read(fd, raw_data(data), c.size_t(len(data)))
if bytes_read < 0 {
return -1, Errno(get_last_error())
}
return bytes_read, ERROR_NONE
}
read_at :: proc(fd: Handle, data: []byte, offset: i64) -> (int, Errno) {
if len(data) == 0 {
return 0, ERROR_NONE
}
bytes_read := _unix_pread(fd, raw_data(data), c.size_t(len(data)), offset)
if bytes_read < 0 {
return -1, Errno(get_last_error())
}
return bytes_read, ERROR_NONE
}
write_at :: proc(fd: Handle, data: []byte, offset: i64) -> (int, Errno) {
if len(data) == 0 {
return 0, ERROR_NONE
}
bytes_written := _unix_pwrite(fd, raw_data(data), c.size_t(len(data)), offset)
if bytes_written < 0 {
return -1, Errno(get_last_error())
}
return bytes_written, ERROR_NONE
}
seek :: proc(fd: Handle, offset: i64, whence: int) -> (i64, Errno) {
assert(fd != -1)
final_offset := i64(_unix_lseek(fd, int(offset), whence))
if final_offset == -1 {
return 0, 1
}
return final_offset, 0
}
file_size :: proc(fd: Handle) -> (i64, Errno) {
prev, _ := seek(fd, 0, SEEK_CUR)
size, err := seek(fd, 0, SEEK_END)
seek(fd, prev, SEEK_SET)
return i64(size), err
}
// NOTE(bill): Uses startup to initialize it
stdin: Handle = 0 // get_std_handle(win32.STD_INPUT_HANDLE);
stdout: Handle = 1 // get_std_handle(win32.STD_OUTPUT_HANDLE);
stderr: Handle = 2 // get_std_handle(win32.STD_ERROR_HANDLE);
/* TODO(zangent): Implement these!
last_write_time :: proc(fd: Handle) -> File_Time {}
last_write_time_by_name :: proc(name: string) -> File_Time {}
*/
is_path_separator :: proc(r: rune) -> bool {
return r == '/'
}
is_file_handle :: proc(fd: Handle) -> bool {
s, err := _fstat(fd)
if err != ERROR_NONE {
return false
}
return S_ISREG(s.mode)
}
is_file_path :: proc(path: string, follow_links: bool = true) -> bool {
s: OS_Stat
err: Errno
if follow_links {
s, err = _stat(path)
} else {
s, err = _lstat(path)
}
if err != ERROR_NONE {
return false
}
return S_ISREG(s.mode)
}
is_dir_handle :: proc(fd: Handle) -> bool {
s, err := _fstat(fd)
if err != ERROR_NONE {
return false
}
return S_ISDIR(s.mode)
}
is_dir_path :: proc(path: string, follow_links: bool = true) -> bool {
s: OS_Stat
err: Errno
if follow_links {
s, err = _stat(path)
} else {
s, err = _lstat(path)
}
if err != ERROR_NONE {
return false
}
return S_ISDIR(s.mode)
}
is_file :: proc {is_file_path, is_file_handle}
is_dir :: proc {is_dir_path, is_dir_handle}
exists :: proc(path: string) -> bool {
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
cpath := strings.clone_to_cstring(path, context.temp_allocator)
res := _unix_access(cpath, O_RDONLY)
return res == 0
}
rename :: proc(old: string, new: string) -> bool {
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
old_cstr := strings.clone_to_cstring(old, context.temp_allocator)
new_cstr := strings.clone_to_cstring(new, context.temp_allocator)
return _unix_rename(old_cstr, new_cstr) != -1
}
remove :: proc(path: string) -> bool {
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
path_cstr := strings.clone_to_cstring(path, context.temp_allocator)
return _unix_remove(path_cstr) != -1
}
@private
_stat :: proc(path: string) -> (OS_Stat, Errno) {
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
cstr := strings.clone_to_cstring(path, context.temp_allocator)
s: OS_Stat
result := _unix_stat(cstr, &s)
if result == -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)
s: OS_Stat
result := _unix_lstat(cstr, &s)
if result == -1 {
return s, Errno(get_last_error())
}
return s, ERROR_NONE
}
@private
_fstat :: proc(fd: Handle) -> (OS_Stat, Errno) {
s: OS_Stat
result := _unix_fstat(fd, &s)
if result == -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
}
end_of_stream = false
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 = 256
buf := make([]byte, bufsz)
for {
rc := _unix_readlink(path_cstr, &(buf[0]), bufsz)
if rc == -1 {
delete(buf)
return "", Errno(get_last_error())
} else if rc == int(bufsz) {
// NOTE(laleksic, 2021-01-21): Any cleaner way to resize the slice?
bufsz *= 2
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) {
buf: [DARWIN_MAXPATHLEN]byte
_, err := fcntl(int(fd), F_GETPATH, int(uintptr(&buf[0])))
if err != ERROR_NONE {
return "", err
}
path := strings.clone_from_cstring(cstring(&buf[0]))
return path, err
}
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 {
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
cstr := strings.clone_to_cstring(path, context.temp_allocator)
return _unix_access(cstr, mask) == 0
}
heap_alloc :: proc(size: int, zero_memory := true) -> rawptr {
if size <= 0 {
return nil
}
if zero_memory {
return _unix_calloc(1, size)
} else {
return _unix_malloc(size)
}
}
heap_resize :: proc(ptr: rawptr, new_size: int) -> rawptr {
// NOTE: _unix_realloc doesn't guarantee new memory will be zeroed on
// POSIX platforms. Ensure your caller takes this into account.
return _unix_realloc(ptr, new_size)
}
heap_free :: proc(ptr: rawptr) {
_unix_free(ptr)
}
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
}
get_current_directory :: proc() -> string {
page_size := get_page_size() // NOTE(tetra): See note in os_linux.odin/get_current_directory.
buf := make([dynamic]u8, page_size)
for {
cwd := _unix_getcwd(cstring(raw_data(buf)), c.size_t(len(buf)))
if cwd != nil {
return string(cwd)
}
if Errno(get_last_error()) != ERANGE {
delete(buf)
return ""
}
resize(&buf, len(buf)+page_size)
}
unreachable()
}
set_current_directory :: proc(path: string) -> (err: Errno) {
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
cstr := strings.clone_to_cstring(path, context.temp_allocator)
res := _unix_chdir(cstr)
if res == -1 {
return Errno(get_last_error())
}
return ERROR_NONE
}
make_directory :: proc(path: string, mode: u16 = 0o775) -> Errno {
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
path_cstr := strings.clone_to_cstring(path, context.temp_allocator)
res := _unix_mkdir(path_cstr, mode)
if res == -1 {
return Errno(get_last_error())
}
return ERROR_NONE
}
exit :: proc "contextless" (code: int) -> ! {
runtime._cleanup_runtime_contextless()
_unix_exit(i32(code))
}
current_thread_id :: proc "contextless" () -> int {
tid: u64
// NOTE(Oskar): available from OSX 10.6 and iOS 3.2.
// For older versions there is `syscall(SYS_thread_selfid)`, but not really
// the same thing apparently.
foreign pthread { pthread_threadid_np :: proc "c" (rawptr, ^u64) -> c.int --- }
pthread_threadid_np(nil, &tid)
return int(tid)
}
dlopen :: proc(filename: string, flags: int) -> rawptr {
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
cstr := strings.clone_to_cstring(filename, context.temp_allocator)
handle := _unix_dlopen(cstr, flags)
return handle
}
dlsym :: proc(handle: rawptr, symbol: string) -> rawptr {
assert(handle != nil)
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
cstr := strings.clone_to_cstring(symbol, context.temp_allocator)
proc_handle := _unix_dlsym(handle, cstr)
return proc_handle
}
dlclose :: proc(handle: rawptr) -> bool {
assert(handle != nil)
return _unix_dlclose(handle) == 0
}
dlerror :: proc() -> string {
return string(_unix_dlerror())
}
get_page_size :: proc() -> int {
// NOTE(tetra): The page size never changes, so why do anything complicated
// if we don't have to.
@static page_size := -1
if page_size != -1 {
return page_size
}
page_size = int(_unix_getpagesize())
return page_size
}
@(private)
_processor_core_count :: proc() -> int {
count : int = 0
count_size := size_of(count)
if _sysctlbyname("hw.logicalcpu", &count, &count_size, nil, 0) == 0 {
if count > 0 {
return count
}
}
return 1
}
_alloc_command_line_arguments :: proc() -> []string {
res := make([]string, len(runtime.args__))
for _, i in res {
res[i] = string(runtime.args__[i])
}
return res
}
socket :: proc(domain: int, type: int, protocol: int) -> (Socket, Errno) {
result := _unix_socket(domain, type, protocol)
if result < 0 {
return 0, Errno(get_last_error())
}
return Socket(result), ERROR_NONE
}
connect :: proc(sd: Socket, addr: ^SOCKADDR, len: socklen_t) -> (Errno) {
result := _unix_connect(int(sd), addr, len)
if result < 0 {
return Errno(get_last_error())
}
return ERROR_NONE
}
bind :: proc(sd: Socket, addr: ^SOCKADDR, len: socklen_t) -> (Errno) {
result := _unix_bind(int(sd), addr, len)
if result < 0 {
return Errno(get_last_error())
}
return ERROR_NONE
}
accept :: proc(sd: Socket, addr: ^SOCKADDR, len: rawptr) -> (Socket, Errno) {
result := _unix_accept(int(sd), rawptr(addr), len)
if result < 0 {
return 0, Errno(get_last_error())
}
return Socket(result), ERROR_NONE
}
listen :: proc(sd: Socket, backlog: int) -> (Errno) {
result := _unix_listen(int(sd), backlog)
if result < 0 {
return Errno(get_last_error())
}
return ERROR_NONE
}
setsockopt :: proc(sd: Socket, level: int, optname: int, optval: rawptr, optlen: socklen_t) -> (Errno) {
result := _unix_setsockopt(int(sd), level, optname, optval, optlen)
if result < 0 {
return Errno(get_last_error())
}
return ERROR_NONE
}
getsockopt :: proc(sd: Socket, level: int, optname: int, optval: rawptr, optlen: socklen_t) -> Errno {
result := _unix_getsockopt(int(sd), level, optname, optval, optlen)
if result < 0 {
return Errno(get_last_error())
}
return ERROR_NONE
}
recvfrom :: proc(sd: Socket, data: []byte, flags: int, addr: ^SOCKADDR, addr_size: ^socklen_t) -> (u32, Errno) {
result := _unix_recvfrom(int(sd), raw_data(data), len(data), flags, addr, addr_size)
if result < 0 {
return 0, Errno(get_last_error())
}
return u32(result), ERROR_NONE
}
recv :: proc(sd: Socket, data: []byte, flags: int) -> (u32, Errno) {
result := _unix_recv(int(sd), raw_data(data), len(data), flags)
if result < 0 {
return 0, Errno(get_last_error())
}
return u32(result), ERROR_NONE
}
sendto :: proc(sd: Socket, data: []u8, flags: int, addr: ^SOCKADDR, addrlen: socklen_t) -> (u32, Errno) {
result := _unix_sendto(int(sd), raw_data(data), len(data), flags, addr, addrlen)
if result < 0 {
return 0, Errno(get_last_error())
}
return u32(result), ERROR_NONE
}
send :: proc(sd: Socket, data: []byte, flags: int) -> (u32, Errno) {
result := _unix_send(int(sd), raw_data(data), len(data), 0)
if result < 0 {
return 0, Errno(get_last_error())
}
return u32(result), ERROR_NONE
}
shutdown :: proc(sd: Socket, how: int) -> (Errno) {
result := _unix_shutdown(int(sd), how)
if result < 0 {
return Errno(get_last_error())
}
return ERROR_NONE
}
fcntl :: proc(fd: int, cmd: int, arg: int) -> (int, Errno) {
result := _unix__fcntl(Handle(fd), c.int(cmd), uintptr(arg))
if result < 0 {
return 0, Errno(get_last_error())
}
return int(result), ERROR_NONE
}
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