unix: extend support for z/OS

This change syncs the IBM internal version of sys/unix with the public
repository.

There are a variety of new syscalls and const definitions that have been
accumulated over the past few years to support developers using Go on
the platform. Old simulations of calls like 'epoll' and 'fstatfs' have
been replaced with their real counterparts. The zos/s390x syscalls also
have extensive trampolining to handle zos systems that might not have
support for some of these new system calls.

Closes golang/go#67071

Change-Id: I973d9e0abca2b05365308cf2b890438e50ae5957
Reviewed-on: https://go-review.googlesource.com/c/sys/+/582035
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Bill O'Farrell <billotosyr@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
dustin-ward
2024-05-03 20:28:26 +00:00
committed by Gopher Robot
parent 7758090324
commit 7d69d983c4
24 changed files with 12473 additions and 4405 deletions
+181 -52
View File
@@ -10,41 +10,99 @@
package unix
const (
BRKINT = 0x0001
CLOCK_MONOTONIC = 0x1
CLOCK_PROCESS_CPUTIME_ID = 0x2
CLOCK_REALTIME = 0x0
CLOCK_THREAD_CPUTIME_ID = 0x3
CS8 = 0x0030
CSIZE = 0x0030
ECHO = 0x00000008
ECHONL = 0x00000001
FD_CLOEXEC = 0x01
FD_CLOFORK = 0x02
FNDELAY = 0x04
F_CLOSFD = 9
F_CONTROL_CVT = 13
F_DUPFD = 0
F_DUPFD2 = 8
F_GETFD = 1
F_GETFL = 259
F_GETLK = 5
F_GETOWN = 10
F_OK = 0x0
F_RDLCK = 1
F_SETFD = 2
F_SETFL = 4
F_SETLK = 6
F_SETLKW = 7
F_SETOWN = 11
F_SETTAG = 12
F_UNLCK = 3
F_WRLCK = 2
FSTYPE_ZFS = 0xe9 //"Z"
FSTYPE_HFS = 0xc8 //"H"
FSTYPE_NFS = 0xd5 //"N"
FSTYPE_TFS = 0xe3 //"T"
FSTYPE_AUTOMOUNT = 0xc1 //"A"
BRKINT = 0x0001
CLOCAL = 0x1
CLOCK_MONOTONIC = 0x1
CLOCK_PROCESS_CPUTIME_ID = 0x2
CLOCK_REALTIME = 0x0
CLOCK_THREAD_CPUTIME_ID = 0x3
CLONE_NEWIPC = 0x08000000
CLONE_NEWNET = 0x40000000
CLONE_NEWNS = 0x00020000
CLONE_NEWPID = 0x20000000
CLONE_NEWUTS = 0x04000000
CLONE_PARENT = 0x00008000
CS8 = 0x0030
CSIZE = 0x0030
ECHO = 0x00000008
ECHONL = 0x00000001
EFD_SEMAPHORE = 0x00002000
EFD_CLOEXEC = 0x00001000
EFD_NONBLOCK = 0x00000004
EPOLL_CLOEXEC = 0x00001000
EPOLL_CTL_ADD = 0
EPOLL_CTL_MOD = 1
EPOLL_CTL_DEL = 2
EPOLLRDNORM = 0x0001
EPOLLRDBAND = 0x0002
EPOLLIN = 0x0003
EPOLLOUT = 0x0004
EPOLLWRBAND = 0x0008
EPOLLPRI = 0x0010
EPOLLERR = 0x0020
EPOLLHUP = 0x0040
EPOLLEXCLUSIVE = 0x20000000
EPOLLONESHOT = 0x40000000
FD_CLOEXEC = 0x01
FD_CLOFORK = 0x02
FD_SETSIZE = 0x800
FNDELAY = 0x04
F_CLOSFD = 9
F_CONTROL_CVT = 13
F_DUPFD = 0
F_DUPFD2 = 8
F_GETFD = 1
F_GETFL = 259
F_GETLK = 5
F_GETOWN = 10
F_OK = 0x0
F_RDLCK = 1
F_SETFD = 2
F_SETFL = 4
F_SETLK = 6
F_SETLKW = 7
F_SETOWN = 11
F_SETTAG = 12
F_UNLCK = 3
F_WRLCK = 2
FSTYPE_ZFS = 0xe9 //"Z"
FSTYPE_HFS = 0xc8 //"H"
FSTYPE_NFS = 0xd5 //"N"
FSTYPE_TFS = 0xe3 //"T"
FSTYPE_AUTOMOUNT = 0xc1 //"A"
GRND_NONBLOCK = 1
GRND_RANDOM = 2
HUPCL = 0x0100 // Hang up on last close
IN_CLOEXEC = 0x00001000
IN_NONBLOCK = 0x00000004
IN_ACCESS = 0x00000001
IN_MODIFY = 0x00000002
IN_ATTRIB = 0x00000004
IN_CLOSE_WRITE = 0x00000008
IN_CLOSE_NOWRITE = 0x00000010
IN_OPEN = 0x00000020
IN_MOVED_FROM = 0x00000040
IN_MOVED_TO = 0x00000080
IN_CREATE = 0x00000100
IN_DELETE = 0x00000200
IN_DELETE_SELF = 0x00000400
IN_MOVE_SELF = 0x00000800
IN_UNMOUNT = 0x00002000
IN_Q_OVERFLOW = 0x00004000
IN_IGNORED = 0x00008000
IN_CLOSE = (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE)
IN_MOVE = (IN_MOVED_FROM | IN_MOVED_TO)
IN_ALL_EVENTS = (IN_ACCESS | IN_MODIFY | IN_ATTRIB |
IN_CLOSE | IN_OPEN | IN_MOVE |
IN_CREATE | IN_DELETE | IN_DELETE_SELF |
IN_MOVE_SELF)
IN_ONLYDIR = 0x01000000
IN_DONT_FOLLOW = 0x02000000
IN_EXCL_UNLINK = 0x04000000
IN_MASK_CREATE = 0x10000000
IN_MASK_ADD = 0x20000000
IN_ISDIR = 0x40000000
IN_ONESHOT = 0x80000000
IP6F_MORE_FRAG = 0x0001
IP6F_OFF_MASK = 0xfff8
IP6F_RESERVED_MASK = 0x0006
@@ -152,10 +210,18 @@ const (
IP_PKTINFO = 101
IP_RECVPKTINFO = 102
IP_TOS = 2
IP_TTL = 3
IP_TTL = 14
IP_UNBLOCK_SOURCE = 11
ICMP6_FILTER = 1
MCAST_INCLUDE = 0
MCAST_EXCLUDE = 1
MCAST_JOIN_GROUP = 40
MCAST_LEAVE_GROUP = 41
MCAST_JOIN_SOURCE_GROUP = 42
MCAST_LEAVE_SOURCE_GROUP = 43
MCAST_BLOCK_SOURCE = 44
MCAST_UNBLOCK_SOURCE = 46
ICANON = 0x0010
ICMP6_FILTER = 0x26
ICRNL = 0x0002
IEXTEN = 0x0020
IGNBRK = 0x0004
@@ -165,10 +231,10 @@ const (
ISTRIP = 0x0080
IXON = 0x0200
IXOFF = 0x0100
LOCK_SH = 0x1 // Not exist on zOS
LOCK_EX = 0x2 // Not exist on zOS
LOCK_NB = 0x4 // Not exist on zOS
LOCK_UN = 0x8 // Not exist on zOS
LOCK_SH = 0x1
LOCK_EX = 0x2
LOCK_NB = 0x4
LOCK_UN = 0x8
POLLIN = 0x0003
POLLOUT = 0x0004
POLLPRI = 0x0010
@@ -182,15 +248,29 @@ const (
MAP_PRIVATE = 0x1 // changes are private
MAP_SHARED = 0x2 // changes are shared
MAP_FIXED = 0x4 // place exactly
MCAST_JOIN_GROUP = 40
MCAST_LEAVE_GROUP = 41
MCAST_JOIN_SOURCE_GROUP = 42
MCAST_LEAVE_SOURCE_GROUP = 43
MCAST_BLOCK_SOURCE = 44
MCAST_UNBLOCK_SOURCE = 45
__MAP_MEGA = 0x8
__MAP_64 = 0x10
MAP_ANON = 0x20
MAP_ANONYMOUS = 0x20
MS_SYNC = 0x1 // msync - synchronous writes
MS_ASYNC = 0x2 // asynchronous writes
MS_INVALIDATE = 0x4 // invalidate mappings
MS_BIND = 0x00001000
MS_MOVE = 0x00002000
MS_NOSUID = 0x00000002
MS_PRIVATE = 0x00040000
MS_REC = 0x00004000
MS_REMOUNT = 0x00008000
MS_RDONLY = 0x00000001
MS_UNBINDABLE = 0x00020000
MNT_DETACH = 0x00000004
ZOSDSFS_SUPER_MAGIC = 0x44534653 // zOS DSFS
NFS_SUPER_MAGIC = 0x6969 // NFS
NSFS_MAGIC = 0x6e736673 // PROCNS
PROC_SUPER_MAGIC = 0x9fa0 // proc FS
ZOSTFS_SUPER_MAGIC = 0x544653 // zOS TFS
ZOSUFS_SUPER_MAGIC = 0x554653 // zOS UFS
ZOSZFS_SUPER_MAGIC = 0x5A4653 // zOS ZFS
MTM_RDONLY = 0x80000000
MTM_RDWR = 0x40000000
MTM_UMOUNT = 0x10000000
@@ -205,13 +285,20 @@ const (
MTM_REMOUNT = 0x00000100
MTM_NOSECURITY = 0x00000080
NFDBITS = 0x20
ONLRET = 0x0020 // NL performs CR function
O_ACCMODE = 0x03
O_APPEND = 0x08
O_ASYNCSIG = 0x0200
O_CREAT = 0x80
O_DIRECT = 0x00002000
O_NOFOLLOW = 0x00004000
O_DIRECTORY = 0x00008000
O_PATH = 0x00080000
O_CLOEXEC = 0x00001000
O_EXCL = 0x40
O_GETFL = 0x0F
O_LARGEFILE = 0x0400
O_NDELAY = 0x4
O_NONBLOCK = 0x04
O_RDONLY = 0x02
O_RDWR = 0x03
@@ -248,6 +335,7 @@ const (
AF_IUCV = 17
AF_LAT = 14
AF_LINK = 18
AF_LOCAL = AF_UNIX // AF_LOCAL is an alias for AF_UNIX
AF_MAX = 30
AF_NBS = 7
AF_NDD = 23
@@ -285,15 +373,33 @@ const (
RLIMIT_AS = 5
RLIMIT_NOFILE = 6
RLIMIT_MEMLIMIT = 7
RLIMIT_MEMLOCK = 0x8
RLIM_INFINITY = 2147483647
SCHED_FIFO = 0x2
SCM_CREDENTIALS = 0x2
SCM_RIGHTS = 0x01
SF_CLOSE = 0x00000002
SF_REUSE = 0x00000001
SHM_RND = 0x2
SHM_RDONLY = 0x1
SHMLBA = 0x1000
IPC_STAT = 0x3
IPC_SET = 0x2
IPC_RMID = 0x1
IPC_PRIVATE = 0x0
IPC_CREAT = 0x1000000
__IPC_MEGA = 0x4000000
__IPC_SHAREAS = 0x20000000
__IPC_BELOWBAR = 0x10000000
IPC_EXCL = 0x2000000
__IPC_GIGA = 0x8000000
SHUT_RD = 0
SHUT_RDWR = 2
SHUT_WR = 1
SOCK_CLOEXEC = 0x00001000
SOCK_CONN_DGRAM = 6
SOCK_DGRAM = 2
SOCK_NONBLOCK = 0x800
SOCK_RAW = 3
SOCK_RDM = 4
SOCK_SEQPACKET = 5
@@ -378,8 +484,6 @@ const (
S_IFMST = 0x00FF0000
TCP_KEEPALIVE = 0x8
TCP_NODELAY = 0x1
TCP_INFO = 0xb
TCP_USER_TIMEOUT = 0x1
TIOCGWINSZ = 0x4008a368
TIOCSWINSZ = 0x8008a367
TIOCSBRK = 0x2000a77b
@@ -427,7 +531,10 @@ const (
VSUSP = 9
VTIME = 10
WCONTINUED = 0x4
WEXITED = 0x8
WNOHANG = 0x1
WNOWAIT = 0x20
WSTOPPED = 0x10
WUNTRACED = 0x2
_BPX_SWAP = 1
_BPX_NONSWAP = 2
@@ -452,8 +559,28 @@ const (
MADV_FREE = 15 // for Linux compatibility -- no zos semantics
MADV_WIPEONFORK = 16 // for Linux compatibility -- no zos semantics
MADV_KEEPONFORK = 17 // for Linux compatibility -- no zos semantics
AT_SYMLINK_NOFOLLOW = 1 // for Unix compatibility -- no zos semantics
AT_FDCWD = 2 // for Unix compatibility -- no zos semantics
AT_SYMLINK_FOLLOW = 0x400
AT_SYMLINK_NOFOLLOW = 0x100
XATTR_CREATE = 0x1
XATTR_REPLACE = 0x2
P_PID = 0
P_PGID = 1
P_ALL = 2
PR_SET_NAME = 15
PR_GET_NAME = 16
PR_SET_NO_NEW_PRIVS = 38
PR_GET_NO_NEW_PRIVS = 39
PR_SET_DUMPABLE = 4
PR_GET_DUMPABLE = 3
PR_SET_PDEATHSIG = 1
PR_GET_PDEATHSIG = 2
PR_SET_CHILD_SUBREAPER = 36
PR_GET_CHILD_SUBREAPER = 37
AT_FDCWD = -100
AT_EACCESS = 0x200
AT_EMPTY_PATH = 0x1000
AT_REMOVEDIR = 0x200
RENAME_NOREPLACE = 1 << 0
)
const (
@@ -476,6 +603,7 @@ const (
EMLINK = Errno(125)
ENAMETOOLONG = Errno(126)
ENFILE = Errno(127)
ENOATTR = Errno(265)
ENODEV = Errno(128)
ENOENT = Errno(129)
ENOEXEC = Errno(130)
@@ -700,7 +828,7 @@ var errorList = [...]struct {
{145, "EDC5145I", "The parameter list is too long, or the message to receive was too large for the buffer."},
{146, "EDC5146I", "Too many levels of symbolic links."},
{147, "EDC5147I", "Illegal byte sequence."},
{148, "", ""},
{148, "EDC5148I", "The named attribute or data not available."},
{149, "EDC5149I", "Value Overflow Error."},
{150, "EDC5150I", "UNIX System Services is not active."},
{151, "EDC5151I", "Dynamic allocation error."},
@@ -743,6 +871,7 @@ var errorList = [...]struct {
{259, "EDC5259I", "A CUN_RS_NO_CONVERSION error was issued by Unicode Services."},
{260, "EDC5260I", "A CUN_RS_TABLE_NOT_ALIGNED error was issued by Unicode Services."},
{262, "EDC5262I", "An iconv() function encountered an unexpected error while using Unicode Services."},
{265, "EDC5265I", "The named attribute not available."},
{1000, "EDC8000I", "A bad socket-call constant was found in the IUCV header."},
{1001, "EDC8001I", "An error was found in the IUCV header."},
{1002, "EDC8002I", "A socket descriptor is out of range."},