ea6525797d
`flock` locks based on the file handle, instead of the process id. This brings the file locking on unix based systems closer to file locking on Windows.
494 lines
10 KiB
Zig
494 lines
10 KiB
Zig
// arm64-specific declarations that are intended to be imported into the POSIX namespace.
|
|
// This does include Linux-only APIs.
|
|
|
|
const std = @import("../../../std.zig");
|
|
const linux = std.os.linux;
|
|
const socklen_t = linux.socklen_t;
|
|
const iovec = linux.iovec;
|
|
const iovec_const = linux.iovec_const;
|
|
const uid_t = linux.uid_t;
|
|
const gid_t = linux.gid_t;
|
|
const pid_t = linux.pid_t;
|
|
const stack_t = linux.stack_t;
|
|
const sigset_t = linux.sigset_t;
|
|
pub const SYS = extern enum(usize) {
|
|
io_setup = 0,
|
|
io_destroy = 1,
|
|
io_submit = 2,
|
|
io_cancel = 3,
|
|
io_getevents = 4,
|
|
setxattr = 5,
|
|
lsetxattr = 6,
|
|
fsetxattr = 7,
|
|
getxattr = 8,
|
|
lgetxattr = 9,
|
|
fgetxattr = 10,
|
|
listxattr = 11,
|
|
llistxattr = 12,
|
|
flistxattr = 13,
|
|
removexattr = 14,
|
|
lremovexattr = 15,
|
|
fremovexattr = 16,
|
|
getcwd = 17,
|
|
lookup_dcookie = 18,
|
|
eventfd2 = 19,
|
|
epoll_create1 = 20,
|
|
epoll_ctl = 21,
|
|
epoll_pwait = 22,
|
|
dup = 23,
|
|
dup3 = 24,
|
|
fcntl = 25,
|
|
inotify_init1 = 26,
|
|
inotify_add_watch = 27,
|
|
inotify_rm_watch = 28,
|
|
ioctl = 29,
|
|
ioprio_set = 30,
|
|
ioprio_get = 31,
|
|
flock = 32,
|
|
mknodat = 33,
|
|
mkdirat = 34,
|
|
unlinkat = 35,
|
|
symlinkat = 36,
|
|
linkat = 37,
|
|
renameat = 38,
|
|
umount2 = 39,
|
|
mount = 40,
|
|
pivot_root = 41,
|
|
nfsservctl = 42,
|
|
statfs = 43,
|
|
fstatfs = 44,
|
|
truncate = 45,
|
|
ftruncate = 46,
|
|
fallocate = 47,
|
|
faccessat = 48,
|
|
chdir = 49,
|
|
fchdir = 50,
|
|
chroot = 51,
|
|
fchmod = 52,
|
|
fchmodat = 53,
|
|
fchownat = 54,
|
|
fchown = 55,
|
|
openat = 56,
|
|
close = 57,
|
|
vhangup = 58,
|
|
pipe2 = 59,
|
|
quotactl = 60,
|
|
getdents64 = 61,
|
|
lseek = 62,
|
|
read = 63,
|
|
write = 64,
|
|
readv = 65,
|
|
writev = 66,
|
|
pread64 = 67,
|
|
pwrite64 = 68,
|
|
preadv = 69,
|
|
pwritev = 70,
|
|
sendfile = 71,
|
|
pselect6 = 72,
|
|
ppoll = 73,
|
|
signalfd4 = 74,
|
|
vmsplice = 75,
|
|
splice = 76,
|
|
tee = 77,
|
|
readlinkat = 78,
|
|
fstatat = 79,
|
|
fstat = 80,
|
|
sync = 81,
|
|
fsync = 82,
|
|
fdatasync = 83,
|
|
sync_file_range2 = 84,
|
|
sync_file_range = 84,
|
|
timerfd_create = 85,
|
|
timerfd_settime = 86,
|
|
timerfd_gettime = 87,
|
|
utimensat = 88,
|
|
acct = 89,
|
|
capget = 90,
|
|
capset = 91,
|
|
personality = 92,
|
|
exit = 93,
|
|
exit_group = 94,
|
|
waitid = 95,
|
|
set_tid_address = 96,
|
|
unshare = 97,
|
|
futex = 98,
|
|
set_robust_list = 99,
|
|
get_robust_list = 100,
|
|
nanosleep = 101,
|
|
getitimer = 102,
|
|
setitimer = 103,
|
|
kexec_load = 104,
|
|
init_module = 105,
|
|
delete_module = 106,
|
|
timer_create = 107,
|
|
timer_gettime = 108,
|
|
timer_getoverrun = 109,
|
|
timer_settime = 110,
|
|
timer_delete = 111,
|
|
clock_settime = 112,
|
|
clock_gettime = 113,
|
|
clock_getres = 114,
|
|
clock_nanosleep = 115,
|
|
syslog = 116,
|
|
ptrace = 117,
|
|
sched_setparam = 118,
|
|
sched_setscheduler = 119,
|
|
sched_getscheduler = 120,
|
|
sched_getparam = 121,
|
|
sched_setaffinity = 122,
|
|
sched_getaffinity = 123,
|
|
sched_yield = 124,
|
|
sched_get_priority_max = 125,
|
|
sched_get_priority_min = 126,
|
|
sched_rr_get_interval = 127,
|
|
restart_syscall = 128,
|
|
kill = 129,
|
|
tkill = 130,
|
|
tgkill = 131,
|
|
sigaltstack = 132,
|
|
rt_sigsuspend = 133,
|
|
rt_sigaction = 134,
|
|
rt_sigprocmask = 135,
|
|
rt_sigpending = 136,
|
|
rt_sigtimedwait = 137,
|
|
rt_sigqueueinfo = 138,
|
|
rt_sigreturn = 139,
|
|
setpriority = 140,
|
|
getpriority = 141,
|
|
reboot = 142,
|
|
setregid = 143,
|
|
setgid = 144,
|
|
setreuid = 145,
|
|
setuid = 146,
|
|
setresuid = 147,
|
|
getresuid = 148,
|
|
setresgid = 149,
|
|
getresgid = 150,
|
|
setfsuid = 151,
|
|
setfsgid = 152,
|
|
times = 153,
|
|
setpgid = 154,
|
|
getpgid = 155,
|
|
getsid = 156,
|
|
setsid = 157,
|
|
getgroups = 158,
|
|
setgroups = 159,
|
|
uname = 160,
|
|
sethostname = 161,
|
|
setdomainname = 162,
|
|
getrlimit = 163,
|
|
setrlimit = 164,
|
|
getrusage = 165,
|
|
umask = 166,
|
|
prctl = 167,
|
|
getcpu = 168,
|
|
gettimeofday = 169,
|
|
settimeofday = 170,
|
|
adjtimex = 171,
|
|
getpid = 172,
|
|
getppid = 173,
|
|
getuid = 174,
|
|
geteuid = 175,
|
|
getgid = 176,
|
|
getegid = 177,
|
|
gettid = 178,
|
|
sysinfo = 179,
|
|
mq_open = 180,
|
|
mq_unlink = 181,
|
|
mq_timedsend = 182,
|
|
mq_timedreceive = 183,
|
|
mq_notify = 184,
|
|
mq_getsetattr = 185,
|
|
msgget = 186,
|
|
msgctl = 187,
|
|
msgrcv = 188,
|
|
msgsnd = 189,
|
|
semget = 190,
|
|
semctl = 191,
|
|
semtimedop = 192,
|
|
semop = 193,
|
|
shmget = 194,
|
|
shmctl = 195,
|
|
shmat = 196,
|
|
shmdt = 197,
|
|
socket = 198,
|
|
socketpair = 199,
|
|
bind = 200,
|
|
listen = 201,
|
|
accept = 202,
|
|
connect = 203,
|
|
getsockname = 204,
|
|
getpeername = 205,
|
|
sendto = 206,
|
|
recvfrom = 207,
|
|
setsockopt = 208,
|
|
getsockopt = 209,
|
|
shutdown = 210,
|
|
sendmsg = 211,
|
|
recvmsg = 212,
|
|
readahead = 213,
|
|
brk = 214,
|
|
munmap = 215,
|
|
mremap = 216,
|
|
add_key = 217,
|
|
request_key = 218,
|
|
keyctl = 219,
|
|
clone = 220,
|
|
execve = 221,
|
|
mmap = 222,
|
|
fadvise64 = 223,
|
|
swapon = 224,
|
|
swapoff = 225,
|
|
mprotect = 226,
|
|
msync = 227,
|
|
mlock = 228,
|
|
munlock = 229,
|
|
mlockall = 230,
|
|
munlockall = 231,
|
|
mincore = 232,
|
|
madvise = 233,
|
|
remap_file_pages = 234,
|
|
mbind = 235,
|
|
get_mempolicy = 236,
|
|
set_mempolicy = 237,
|
|
migrate_pages = 238,
|
|
move_pages = 239,
|
|
rt_tgsigqueueinfo = 240,
|
|
perf_event_open = 241,
|
|
accept4 = 242,
|
|
recvmmsg = 243,
|
|
arch_specific_syscall = 244,
|
|
wait4 = 260,
|
|
prlimit64 = 261,
|
|
fanotify_init = 262,
|
|
fanotify_mark = 263,
|
|
clock_adjtime = 266,
|
|
syncfs = 267,
|
|
setns = 268,
|
|
sendmmsg = 269,
|
|
process_vm_readv = 270,
|
|
process_vm_writev = 271,
|
|
kcmp = 272,
|
|
finit_module = 273,
|
|
sched_setattr = 274,
|
|
sched_getattr = 275,
|
|
renameat2 = 276,
|
|
seccomp = 277,
|
|
getrandom = 278,
|
|
memfd_create = 279,
|
|
bpf = 280,
|
|
execveat = 281,
|
|
userfaultfd = 282,
|
|
membarrier = 283,
|
|
mlock2 = 284,
|
|
copy_file_range = 285,
|
|
preadv2 = 286,
|
|
pwritev2 = 287,
|
|
pkey_mprotect = 288,
|
|
pkey_alloc = 289,
|
|
pkey_free = 290,
|
|
statx = 291,
|
|
io_pgetevents = 292,
|
|
rseq = 293,
|
|
kexec_file_load = 294,
|
|
pidfd_send_signal = 424,
|
|
io_uring_setup = 425,
|
|
io_uring_enter = 426,
|
|
io_uring_register = 427,
|
|
open_tree = 428,
|
|
move_mount = 429,
|
|
fsopen = 430,
|
|
fsconfig = 431,
|
|
fsmount = 432,
|
|
fspick = 433,
|
|
pidfd_open = 434,
|
|
clone3 = 435,
|
|
openat2 = 437,
|
|
pidfd_getfd = 438,
|
|
|
|
_,
|
|
};
|
|
|
|
pub const O_CREAT = 0o100;
|
|
pub const O_EXCL = 0o200;
|
|
pub const O_NOCTTY = 0o400;
|
|
pub const O_TRUNC = 0o1000;
|
|
pub const O_APPEND = 0o2000;
|
|
pub const O_NONBLOCK = 0o4000;
|
|
pub const O_DSYNC = 0o10000;
|
|
pub const O_SYNC = 0o4010000;
|
|
pub const O_RSYNC = 0o4010000;
|
|
pub const O_DIRECTORY = 0o40000;
|
|
pub const O_NOFOLLOW = 0o100000;
|
|
pub const O_CLOEXEC = 0o2000000;
|
|
|
|
pub const O_ASYNC = 0o20000;
|
|
pub const O_DIRECT = 0o200000;
|
|
pub const O_LARGEFILE = 0o400000;
|
|
pub const O_NOATIME = 0o1000000;
|
|
pub const O_PATH = 0o10000000;
|
|
pub const O_TMPFILE = 0o20040000;
|
|
pub const O_NDELAY = O_NONBLOCK;
|
|
|
|
pub const F_DUPFD = 0;
|
|
pub const F_GETFD = 1;
|
|
pub const F_SETFD = 2;
|
|
pub const F_GETFL = 3;
|
|
pub const F_SETFL = 4;
|
|
|
|
pub const F_SETOWN = 8;
|
|
pub const F_GETOWN = 9;
|
|
pub const F_SETSIG = 10;
|
|
pub const F_GETSIG = 11;
|
|
|
|
pub const F_GETLK = 5;
|
|
pub const F_SETLK = 6;
|
|
pub const F_SETLKW = 7;
|
|
|
|
pub const F_RDLCK = 0;
|
|
pub const F_WRLCK = 1;
|
|
pub const F_UNLCK = 2;
|
|
|
|
pub const LOCK_SH = 1;
|
|
pub const LOCK_EX = 2;
|
|
pub const LOCK_UN = 8;
|
|
pub const LOCK_NB = 4;
|
|
|
|
pub const F_SETOWN_EX = 15;
|
|
pub const F_GETOWN_EX = 16;
|
|
|
|
pub const F_GETOWNER_UIDS = 17;
|
|
|
|
/// stack-like segment
|
|
pub const MAP_GROWSDOWN = 0x0100;
|
|
|
|
/// ETXTBSY
|
|
pub const MAP_DENYWRITE = 0x0800;
|
|
|
|
/// mark it as an executable
|
|
pub const MAP_EXECUTABLE = 0x1000;
|
|
|
|
/// pages are locked
|
|
pub const MAP_LOCKED = 0x2000;
|
|
|
|
/// don't check for reservations
|
|
pub const MAP_NORESERVE = 0x4000;
|
|
|
|
pub const VDSO_CGT_SYM = "__kernel_clock_gettime";
|
|
pub const VDSO_CGT_VER = "LINUX_2.6.39";
|
|
|
|
pub const Flock = extern struct {
|
|
l_type: i16,
|
|
l_whence: i16,
|
|
l_start: off_t,
|
|
l_len: off_t,
|
|
l_pid: pid_t,
|
|
__unused: [4]u8,
|
|
};
|
|
|
|
pub const msghdr = extern struct {
|
|
msg_name: ?*sockaddr,
|
|
msg_namelen: socklen_t,
|
|
msg_iov: [*]iovec,
|
|
msg_iovlen: i32,
|
|
__pad1: i32,
|
|
msg_control: ?*c_void,
|
|
msg_controllen: socklen_t,
|
|
__pad2: socklen_t,
|
|
msg_flags: i32,
|
|
};
|
|
|
|
pub const msghdr_const = extern struct {
|
|
msg_name: ?*const sockaddr,
|
|
msg_namelen: socklen_t,
|
|
msg_iov: [*]iovec_const,
|
|
msg_iovlen: i32,
|
|
__pad1: i32,
|
|
msg_control: ?*c_void,
|
|
msg_controllen: socklen_t,
|
|
__pad2: socklen_t,
|
|
msg_flags: i32,
|
|
};
|
|
|
|
pub const blksize_t = i32;
|
|
pub const nlink_t = u32;
|
|
pub const time_t = isize;
|
|
pub const mode_t = u32;
|
|
pub const off_t = isize;
|
|
pub const ino_t = usize;
|
|
pub const dev_t = usize;
|
|
pub const blkcnt_t = isize;
|
|
|
|
/// Renamed to Stat to not conflict with the stat function.
|
|
/// atime, mtime, and ctime have functions to return `timespec`,
|
|
/// because although this is a POSIX API, the layout and names of
|
|
/// the structs are inconsistent across operating systems, and
|
|
/// in C, macros are used to hide the differences. Here we use
|
|
/// methods to accomplish this.
|
|
pub const Stat = extern struct {
|
|
dev: dev_t,
|
|
ino: ino_t,
|
|
mode: mode_t,
|
|
nlink: nlink_t,
|
|
uid: uid_t,
|
|
gid: gid_t,
|
|
rdev: dev_t,
|
|
__pad: usize,
|
|
size: off_t,
|
|
blksize: blksize_t,
|
|
__pad2: i32,
|
|
blocks: blkcnt_t,
|
|
atim: timespec,
|
|
mtim: timespec,
|
|
ctim: timespec,
|
|
__unused: [2]u32,
|
|
|
|
pub fn atime(self: Stat) timespec {
|
|
return self.atim;
|
|
}
|
|
|
|
pub fn mtime(self: Stat) timespec {
|
|
return self.mtim;
|
|
}
|
|
|
|
pub fn ctime(self: Stat) timespec {
|
|
return self.ctim;
|
|
}
|
|
};
|
|
|
|
pub const timespec = extern struct {
|
|
tv_sec: time_t,
|
|
tv_nsec: isize,
|
|
};
|
|
|
|
pub const timeval = extern struct {
|
|
tv_sec: isize,
|
|
tv_usec: isize,
|
|
};
|
|
|
|
pub const timezone = extern struct {
|
|
tz_minuteswest: i32,
|
|
tz_dsttime: i32,
|
|
};
|
|
|
|
pub const mcontext_t = extern struct {
|
|
fault_address: usize,
|
|
regs: [31]usize,
|
|
sp: usize,
|
|
pc: usize,
|
|
pstate: usize,
|
|
// Make sure the field is correctly aligned since this area
|
|
// holds various FP/vector registers
|
|
reserved1: [256 * 16]u8 align(16),
|
|
};
|
|
|
|
pub const ucontext_t = extern struct {
|
|
flags: usize,
|
|
link: *ucontext_t,
|
|
stack: stack_t,
|
|
sigmask: sigset_t,
|
|
mcontext: mcontext_t,
|
|
};
|
|
|
|
pub const Elf_Symndx = u32;
|