ref: dfe28e0a978ca1acb738b2718a3ef2bd1617ed9a
dir: /libstd/sys+linux-x64.myr/
use "systypes.use"
pkg sys =
type scno = int64 /* syscall */
/* processes/threads */
type pid = int /* process id */
type tid = int /* thread id */
type cloneopt = int64 /* options for clone(2) */
/* file descriptor manipulation */
type fdopt = int64 /* fd options */
type fd = int32 /* fd */
type whence = uint64 /* seek from whence */
type filemode = uint32 /* file open mode */
type mprot = int64 /* memory protection */
type mopt = int64 /* memory mapping options */
type socktype = int64 /* socket type */
type sockproto = int64 /* socket protocol */
type sockfam = uint16 /* socket family */
type epollflags = uint32
type epollop = uint32
type epollevttype = uint32
type pollevt = uint16
type clock = union
`Clockrealtime
`Clockmonotonic
`Clockproccpu
`Clockthreadcpu
`Clockmonotonicraw
`Clockrealtimecoarse
`Clockmonotoniccoarse
`Clockboottime
`Clockrealtimealarm
`Clockboottimealarm
;;
type waitstatus = union
`Waitexit int32
`Waitsig int32
`Waitstop int32
;;
type timespec = struct
sec : uint64
nsec : uint64
;;
type timeval = struct
sec : uint64
usec : uint64
;;
type rusage = struct
utime : timeval /* user time */
stime : timeval /* system time */
_opaque : uint64[14] /* padding (darwin-specific data) */
;;
type statbuf = struct
dev : uint64
ino : uint64
nlink : uint64
mode : filemode
uid : uint32
gid : uint32
__pad0 : uint32
rdev : uint64
size : uint64
blksz : uint32
blocks : uint64
atime : timespec
mtime : timespec
ctime : timespec
__pad1 : uint64[3]
;;
type dirent64 = struct
ino : uint64
off : uint64
reclen : uint16
etype : byte
name : byte[...] /* special case; zero length => unchecked indexing */
;;
type utsname = struct
system : byte[65]
node : byte[65]
release : byte[65]
version : byte[65]
machine : byte[65]
domain : byte[65]
;;
type sockaddr = struct
fam : sockfam
data : byte[14]
;;
type sockaddr_in = struct
fam : sockfam
port : uint16
addr : byte[4]
zero : byte[8]
;;
type sockaddr_storage = struct
fam : sockfam
__align : uint32
__pad : byte[112]
;;
type epollevt = struct
events : epollevttype
data : byte[8]
;;
type pollfd = struct
fd : fd
events : pollevt
revents : pollevt
;;
/* clone options */
const Clonesignal : cloneopt = 0xff
const Clonevm : cloneopt = 0x100
const Clonefs : cloneopt = 0x200
const Clonefiles : cloneopt = 0x400
const Clonesighand : cloneopt = 0x800
const Cloneptrace : cloneopt = 0x2000
const Clonevfork : cloneopt = 0x4000
const Cloneparent : cloneopt = 0x8000
const Clonethread : cloneopt = 0x10000
const Clonenewns : cloneopt = 0x20000
const Clonesysvsem : cloneopt = 0x40000
const Clonesettls : cloneopt = 0x80000
const Cloneparentsettid : cloneopt = 0x100000
const Clonechildcleartid: cloneopt = 0x200000
const Clonedetached : cloneopt = 0x400000
const Cloneuntraced : cloneopt = 0x800000
const Clonechildsettid : cloneopt = 0x1000000
const Clonenewuts : cloneopt = 0x4000000
const Clonenewipc : cloneopt = 0x8000000
const Clonenewuser : cloneopt = 0x10000000
const Clonenewpid : cloneopt = 0x20000000
const Clonenewnet : cloneopt = 0x40000000
const Cloneio : cloneopt = 0x80000000
type ptregs = struct
;;
/* open options */
const Ordonly : fdopt = 0x0
const Owronly : fdopt = 0x1
const Ordwr : fdopt = 0x2
const Ocreat : fdopt = 0x40
const Oexcl : fdopt = 0x80
const Otrunc : fdopt = 0x200
const Oappend : fdopt = 0x400
const Ondelay : fdopt = 0x800
const Odirect : fdopt = 0x4000
const Odir : fdopt = 0x10000
const Onofollow : fdopt = 0x20000
/* stat modes */
const Sifmt : filemode = 0xf000
const Sififo : filemode = 0x1000
const Sifchr : filemode = 0x2000
const Sifdir : filemode = 0x4000
const Sifblk : filemode = 0x6000
const Sifreg : filemode = 0x8000
const Siflnk : filemode = 0xa000
const Sifsock : filemode = 0xc000
/* mmap protection */
const Mprotnone : mprot = 0x0
const Mprotrd : mprot = 0x1
const Mprotwr : mprot = 0x2
const Mprotexec : mprot = 0x4
const Mprotrw : mprot = 0x3 /* convenience */
/* mmap options */
const Mshared : mopt = 0x1
const Mpriv : mopt = 0x2
const Mfixed : mopt = 0x10
const Mfile : mopt = 0x0
const Manon : mopt = 0x20
const M32bit : mopt = 0x40
/* socket families. INCOMPLETE. */
const Afunspec : sockfam = 0
const Afunix : sockfam = 1
const Afinet : sockfam = 2
const Afinet6 : sockfam = 10
/* socket types. */
const Sockstream : socktype = 1 /* sequenced, reliable byte stream */
const Sockdgram : socktype = 2 /* datagrams */
const Sockraw : socktype = 3 /* raw proto */
const Sockrdm : socktype = 4 /* reliably delivered messages */
const Sockseqpacket : socktype = 5 /* sequenced, reliable packets */
const Sockdccp : socktype = 6 /* data congestion control protocol */
const Sockpack : socktype = 10 /* linux specific packet */
/* network protocols */
const Ipproto_ip : sockproto = 0
const Ipproto_icmp : sockproto = 1
const Ipproto_tcp : sockproto = 6
const Ipproto_udp : sockproto = 17
const Ipproto_raw : sockproto = 255
/* epoll flags */
const Epollcloexec : epollflags = 0o2000000
/* epoll ops */
const Epollctladd : epollop = 0
const Epollctlmod : epollop = 1
const Epollctldel : epollop = 1
/* epoll events */
const Epollin : epollevttype = 0x001
const Epollpri : epollevttype = 0x002
const Epollout : epollevttype = 0x004
const Epollerr : epollevttype = 0x008
const Epollhup : epollevttype = 0x010
const Epollrdnorm : epollevttype = 0x040
const Epollrdband : epollevttype = 0x080
const Epollwrnorm : epollevttype = 0x100
const Epollwrband : epollevttype = 0x200
const Epollmsg : epollevttype = 0x400
const Epollrdhup : epollevttype = 0x2000
const Epollwakeup : epollevttype = 1 << 29
const Epolloneshot : epollevttype = 1 << 30
const Epolledge : epollevttype = 1 << 31
/* poll events : posix */
const Pollin : pollevt = 0x001 /* There is data to read. */
const Pollpri : pollevt = 0x002 /* There is urgent data to read. */
const Pollout : pollevt = 0x004 /* Writing now will not block. */
/* poll events: xopen */
const Pollrdnorm : pollevt = 0x040 /* Normal data may be read. */
const Pollrdband : pollevt = 0x080 /* Priority data may be read. */
const Pollwrnorm : pollevt = 0x100 /* Writing now will not block. */
const Pollwrband : pollevt = 0x200 /* Priority data may be written. */
/* poll events: linux */
const Pollmsg : pollevt = 0x400
const Pollremove : pollevt = 0x1000
const Pollrdhup : pollevt = 0x2000
const Seekset : whence = 0
const Seekcur : whence = 1
const Seekend : whence = 2
/* return value for a failed mapping */
const Mapbad : byte# = -1 castto(byte#)
/* syscalls */
const Sysread : scno = 0
const Syswrite : scno = 1
const Sysopen : scno = 2
const Sysclose : scno = 3
const Sysstat : scno = 4
const Sysfstat : scno = 5
const Syslstat : scno = 6
const Syspoll : scno = 7
const Syslseek : scno = 8
const Sysmmap : scno = 9
const Sysmprotect : scno = 10
const Sysmunmap : scno = 11
const Sysbrk : scno = 12
const Sysrt_sigaction : scno = 13
const Sysrt_sigprocmask : scno = 14
const Sysrt_sigreturn : scno = 15
const Sysioctl : scno = 16
const Syspread64 : scno = 17
const Syspwrite64 : scno = 18
const Sysreadv : scno = 19
const Syswritev : scno = 20
const Sysaccess : scno = 21
const Syspipe : scno = 22
const Sysselect : scno = 23
const Syssched_yield : scno = 24
const Sysmremap : scno = 25
const Sysmsync : scno = 26
const Sysmincore : scno = 27
const Sysmadvise : scno = 28
const Sysshmget : scno = 29
const Sysshmat : scno = 30
const Sysshmctl : scno = 31
const Sysdup : scno = 32
const Sysdup2 : scno = 33
const Syspause : scno = 34
const Sysnanosleep : scno = 35
const Sysgetitimer : scno = 36
const Sysalarm : scno = 37
const Syssetitimer : scno = 38
const Sysgetpid : scno = 39
const Syssendfile : scno = 40
const Syssocket : scno = 41
const Sysconnect : scno = 42
const Sysaccept : scno = 43
const Syssendto : scno = 44
const Sysrecvfrom : scno = 45
const Syssendmsg : scno = 46
const Sysrecvmsg : scno = 47
const Sysshutdown : scno = 48
const Sysbind : scno = 49
const Syslisten : scno = 50
const Sysgetsockname : scno = 51
const Sysgetpeername : scno = 52
const Syssocketpair : scno = 53
const Syssetsockopt : scno = 54
const Sysgetsockopt : scno = 55
const Sysclone : scno = 56
const Sysfork : scno = 57
const Sysvfork : scno = 58
const Sysexecve : scno = 59
const Sysexit : scno = 60
const Syswait4 : scno = 61
const Syskill : scno = 62
const Sysuname : scno = 63
const Syssemget : scno = 64
const Syssemop : scno = 65
const Syssemctl : scno = 66
const Sysshmdt : scno = 67
const Sysmsgget : scno = 68
const Sysmsgsnd : scno = 69
const Sysmsgrcv : scno = 70
const Sysmsgctl : scno = 71
const Sysfcntl : scno = 72
const Sysflock : scno = 73
const Sysfsync : scno = 74
const Sysfdatasync : scno = 75
const Systruncate : scno = 76
const Sysftruncate : scno = 77
const Sysgetdents : scno = 78
const Sysgetcwd : scno = 79
const Syschdir : scno = 80
const Sysfchdir : scno = 81
const Sysrename : scno = 82
const Sysmkdir : scno = 83
const Sysrmdir : scno = 84
const Syscreat : scno = 85
const Syslink : scno = 86
const Sysunlink : scno = 87
const Syssymlink : scno = 88
const Sysreadlink : scno = 89
const Syschmod : scno = 90
const Sysfchmod : scno = 91
const Syschown : scno = 92
const Sysfchown : scno = 93
const Syslchown : scno = 94
const Sysumask : scno = 95
const Sysgettimeofday : scno = 96
const Sysgetrlimit : scno = 97
const Sysgetrusage : scno = 98
const Syssysinfo : scno = 99
const Systimes : scno = 100
const Sysptrace : scno = 101
const Sysgetuid : scno = 102
const Syssyslog : scno = 103
const Sysgetgid : scno = 104
const Syssetuid : scno = 105
const Syssetgid : scno = 106
const Sysgeteuid : scno = 107
const Sysgetegid : scno = 108
const Syssetpgid : scno = 109
const Sysgetppid : scno = 110
const Sysgetpgrp : scno = 111
const Syssetsid : scno = 112
const Syssetreuid : scno = 113
const Syssetregid : scno = 114
const Sysgetgroups : scno = 115
const Syssetgroups : scno = 116
const Syssetresuid : scno = 117
const Sysgetresuid : scno = 118
const Syssetresgid : scno = 119
const Sysgetresgid : scno = 120
const Sysgetpgid : scno = 121
const Syssetfsuid : scno = 122
const Syssetfsgid : scno = 123
const Sysgetsid : scno = 124
const Syscapget : scno = 125
const Syscapset : scno = 126
const Sysrt_sigpending : scno = 127
const Sysrt_sigtimedwait : scno = 128
const Sysrt_sigqueueinfo : scno = 129
const Sysrt_sigsuspend : scno = 130
const Syssigaltstack : scno = 131
const Sysutime : scno = 132
const Sysmknod : scno = 133
const Sysuselib : scno = 134
const Syspersonality : scno = 135
const Sysustat : scno = 136
const Sysstatfs : scno = 137
const Sysfstatfs : scno = 138
const Syssysfs : scno = 139
const Sysgetpriority : scno = 140
const Syssetpriority : scno = 141
const Syssched_setparam : scno = 142
const Syssched_getparam : scno = 143
const Syssched_setscheduler : scno = 144
const Syssched_getscheduler : scno = 145
const Syssched_get_priority_max : scno = 146
const Syssched_get_priority_min : scno = 147
const Syssched_rr_get_interval : scno = 148
const Sysmlock : scno = 149
const Sysmunlock : scno = 150
const Sysmlockall : scno = 151
const Sysmunlockall : scno = 152
const Sysvhangup : scno = 153
const Sysmodify_ldt : scno = 154
const Syspivot_root : scno = 155
const Sys_sysctl : scno = 156
const Sysprctl : scno = 157
const Sysarch_prctl : scno = 158
const Sysadjtimex : scno = 159
const Syssetrlimit : scno = 160
const Syschroot : scno = 161
const Syssync : scno = 162
const Sysacct : scno = 163
const Syssettimeofday : scno = 164
const Sysmount : scno = 165
const Sysumount2 : scno = 166
const Sysswapon : scno = 167
const Sysswapoff : scno = 168
const Sysreboot : scno = 169
const Syssethostname : scno = 170
const Syssetdomainname : scno = 171
const Sysiopl : scno = 172
const Sysioperm : scno = 173
const Syscreate_module : scno = 174
const Sysinit_module : scno = 175
const Sysdelete_module : scno = 176
const Sysget_kernel_syms : scno = 177
const Sysquery_module : scno = 178
const Sysquotactl : scno = 179
const Sysnfsservctl : scno = 180
const Sysgetpmsg : scno = 181
const Sysputpmsg : scno = 182
const Sysafs_syscall : scno = 183
const Systuxcall : scno = 184
const Syssecurity : scno = 185
const Sysgettid : scno = 186
const Sysreadahead : scno = 187
const Syssetxattr : scno = 188
const Syslsetxattr : scno = 189
const Sysfsetxattr : scno = 190
const Sysgetxattr : scno = 191
const Syslgetxattr : scno = 192
const Sysfgetxattr : scno = 193
const Syslistxattr : scno = 194
const Sysllistxattr : scno = 195
const Sysflistxattr : scno = 196
const Sysremovexattr : scno = 197
const Syslremovexattr : scno = 198
const Sysfremovexattr : scno = 199
const Systkill : scno = 200
const Systime : scno = 201
const Sysfutex : scno = 202
const Syssched_setaffinity : scno = 203
const Syssched_getaffinity : scno = 204
const Sysset_thread_area : scno = 205
const Sysio_setup : scno = 206
const Sysio_destroy : scno = 207
const Sysio_getevents : scno = 208
const Sysio_submit : scno = 209
const Sysio_cancel : scno = 210
const Sysget_thread_area : scno = 211
const Syslookup_dcookie : scno = 212
const Sysepoll_create : scno = 213
const Sysepoll_ctl_old : scno = 214
const Sysepoll_wait_old : scno = 215
const Sysremap_file_pages : scno = 216
const Sysgetdents64 : scno = 217
const Sysset_tid_address : scno = 218
const Sysrestart_syscall : scno = 219
const Syssemtimedop : scno = 220
const Sysfadvise64 : scno = 221
const Systimer_create : scno = 222
const Systimer_settime : scno = 223
const Systimer_gettime : scno = 224
const Systimer_getoverrun : scno = 225
const Systimer_delete : scno = 226
const Sysclock_settime : scno = 227
const Sysclock_gettime : scno = 228
const Sysclock_getres : scno = 229
const Sysclock_nanosleep : scno = 230
const Sysexit_group : scno = 231
const Sysepoll_wait : scno = 232
const Sysepoll_ctl : scno = 233
const Systgkill : scno = 234
const Sysutimes : scno = 235
const Sysvserver : scno = 236
const Sysmbind : scno = 237
const Sysset_mempolicy : scno = 238
const Sysget_mempolicy : scno = 239
const Sysmq_open : scno = 240
const Sysmq_unlink : scno = 241
const Sysmq_timedsend : scno = 242
const Sysmq_timedreceive : scno = 243
const Sysmq_notify : scno = 244
const Sysmq_getsetattr : scno = 245
const Syskexec_load : scno = 246
const Syswaitid : scno = 247
const Sysadd_key : scno = 248
const Sysrequest_key : scno = 249
const Syskeyctl : scno = 250
const Sysioprio_set : scno = 251
const Sysioprio_get : scno = 252
const Sysinotify_init : scno = 253
const Sysinotify_add_watch : scno = 254
const Sysinotify_rm_watch : scno = 255
const Sysmigrate_pages : scno = 256
const Sysopenat : scno = 257
const Sysmkdirat : scno = 258
const Sysmknodat : scno = 259
const Sysfchownat : scno = 260
const Sysfutimesat : scno = 261
const Sysnewfstatat : scno = 262
const Sysunlinkat : scno = 263
const Sysrenameat : scno = 264
const Syslinkat : scno = 265
const Syssymlinkat : scno = 266
const Sysreadlinkat : scno = 267
const Sysfchmodat : scno = 268
const Sysfaccessat : scno = 269
const Syspselect6 : scno = 270
const Sysppoll : scno = 271
const Sysunshare : scno = 272
const Sysset_robust_list : scno = 273
const Sysget_robust_list : scno = 274
const Syssplice : scno = 275
const Systee : scno = 276
const Syssync_file_range : scno = 277
const Sysvmsplice : scno = 278
const Sysmove_pages : scno = 279
const Sysutimensat : scno = 280
const Sysepoll_pwait : scno = 281
const Syssignalfd : scno = 282
const Systimerfd_create : scno = 283
const Syseventfd : scno = 284
const Sysfallocate : scno = 285
const Systimerfd_settime : scno = 286
const Systimerfd_gettime : scno = 287
const Sysaccept4 : scno = 288
const Syssignalfd4 : scno = 289
const Syseventfd2 : scno = 290
const Sysepoll_create1 : scno = 291
const Sysdup3 : scno = 292
const Syspipe2 : scno = 293
const Sysinotify_init1 : scno = 294
const Syspreadv : scno = 295
const Syspwritev : scno = 296
const Sysrt_tgsigqueueinfo : scno = 297
const Sysperf_event_open : scno = 298
const Sysrecvmmsg : scno = 299
const Sysfanotify_init : scno = 300
const Sysfanotify_mark : scno = 301
const Sysprlimit64 : scno = 302
const Sysname_to_handle_at : scno = 303
const Sysopen_by_handle_at : scno = 304
const Sysclock_adjtime : scno = 305
const Syssyncfs : scno = 306
const Syssendmmsg : scno = 307
const Syssetns : scno = 308
const Sysgetcpu : scno = 309
const Sysprocess_vm_readv : scno = 310
const Sysprocess_vm_writev : scno = 311
/* getting to the os */
extern const syscall : (sc:scno, args:... -> int64)
/* process management */
const exit : (status:int -> void)
const exit_group : (status:int -> void)
const getpid : ( -> pid)
const kill : (pid:pid, sig:int64 -> int64)
const fork : (-> pid)
/* FIXME: where the fuck is 'struct pt_reg' defined?? */
const clone : (flags : cloneopt, stk : byte#, ptid : pid#, ctid : pid#, ptreg : byte# -> pid)
const wait4 : (pid:pid, loc:int32#, opt : int64, usage:rusage# -> int64)
const waitpid : (pid:pid, loc:int32#, opt : int64 -> int64)
const execv : (cmd : byte[:], args : byte[:][:] -> int64)
const execve : (cmd : byte[:], args : byte[:][:], env : byte[:][:] -> int64)
/* wrappers to extract wait status */
const waitstatus : (st : int32 -> waitstatus)
/* file manipulation */
const open : (path:byte[:], opts:fdopt -> fd)
const openmode : (path:byte[:], opts:fdopt, mode:int64 -> fd)
const close : (fd:fd -> int64)
const creat : (path:byte[:], mode:int64 -> fd)
const unlink : (path:byte[:] -> int)
const read : (fd:fd, buf:byte[:] -> size)
const write : (fd:fd, buf:byte[:] -> size)
const lseek : (fd:fd, off:off, whence:whence -> int64)
const stat : (path:byte[:], sb:statbuf# -> int64)
const lstat : (path:byte[:], sb:statbuf# -> int64)
const fstat : (fd:fd, sb:statbuf# -> int64)
const mkdir : (path : byte[:], mode : int64 -> int64)
generic ioctl : (fd:fd, req : int64, arg:@a# -> int64)
const getdents64 : (fd:fd, buf : byte[:] -> int64)
const chdir : (p : byte[:] -> int64)
const getcwd : (buf : byte[:] -> int64)
/* fd stuff */
const pipe : (fds : fd[2]# -> int64)
const dup : (fd : fd -> fd)
const dup2 : (src : fd, dst : fd -> fd)
/* polling */
const epollcreate : (flg : epollflags -> fd) /* actually epoll_create1 */
const epollctl : (epfd : fd, op : int, fd : fd, evt : epollevt# -> int)
const epollwait : (epfd : fd, evts : epollevt[:], timeout : int -> int)
const poll : (pfd : pollfd[:], timeout : int -> int)
/* networking */
const socket : (dom : sockfam, stype : socktype, proto : sockproto -> fd)
const connect : (sock : fd, addr : sockaddr#, len : size -> int)
const accept : (sock : fd, addr : sockaddr#, len : size# -> fd)
const listen : (sock : fd, backlog : int -> int)
const bind : (sock : fd, addr : sockaddr#, len : size -> int)
/* memory mapping */
const munmap : (addr:byte#, len:size -> int64)
const mmap : (addr:byte#, len:size, prot:mprot, flags:mopt, fd:fd, off:off -> byte#)
/* time */
const clock_getres : (clk : clock, ts : timespec# -> int32)
const clock_gettime : (clk : clock, ts : timespec# -> int32)
const clock_settime : (clk : clock, ts : timespec# -> int32)
const sleep : (time : uint64 -> int32)
const nanosleep : (req : timespec#, rem : timespec# -> int32)
/* system information */
const uname : (buf : utsname# -> int)
/* exported values: initialized by start code */
extern const __environment : byte[:][:]
extern const __cenvp : byte##
;;
/*
wraps a syscall argument, converting it to 64 bits for the syscall function.
This is the same as casting, but more concise than writing castto(int64).
*/
generic a = {x : @t; -> x castto(uint64)}
/* asm stubs from util.s */
extern const cstring : (str : byte[:] -> byte#)
extern const alloca : (sz : size -> byte#)
/* process management */
const exit = {status; syscall(Sysexit, a(status))}
const exit_group = {status; syscall(Sysexit_group, a(status))}
const getpid = {; -> syscall(Sysgetpid) castto(pid)}
const kill = {pid, sig; -> syscall(Syskill, a(pid), a(sig))}
const fork = {; -> syscall(Sysfork) castto(pid)}
const clone = {flags, stk, ptid, ctid, ptreg; -> syscall(Sysclone, a(flags), a(stk), a(ptid), a(ctid), a(ptreg)) castto(pid)}
const wait4 = {pid, loc, opt, usage; -> syscall(Syswait4, a(pid), a(loc), a(opt), a(usage))}
const waitpid = {pid, loc, opt;
var rusage
-> wait4(pid, loc, opt, &rusage)
}
const execv = {cmd, args
var p, cargs, i
/* of course we fucking have to duplicate this code everywhere,
* since we want to stack allocate... */
p = alloca((args.len + 1)*sizeof(byte#))
cargs = (p castto(byte##))[:args.len + 1]
for i = 0; i < args.len; i++
cargs[i] = cstring(args[i])
;;
cargs[args.len] = 0 castto(byte#)
-> syscall(Sysexecve, cstring(cmd), a(p), a(__cenvp))
}
const execve = {cmd, args, env
var cargs, cenv, i
var p
/* copy the args */
p = alloca((args.len + 1)*sizeof(byte#))
cargs = (p castto(byte##))[:args.len + 1]
for i = 0; i < args.len; i++
cargs[i] = cstring(args[i])
;;
cargs[args.len] = 0 castto(byte#)
/*
copy the env.
of course we fucking have to duplicate this code everywhere,
since we want to stack allocate...
*/
p = alloca((env.len + 1)*sizeof(byte#))
cenv = (p castto(byte##))[:env.len]
for i = 0; i < env.len; i++
cenv[i] = cstring(env[i])
;;
cenv[env.len] = 0 castto(byte#)
-> syscall(Sysexecve, cstring(cmd), a(p), a(cenv))
}
/* file manipulation */
const open = {path, opts; -> syscall(Sysopen, cstring(path), a(opts), a(0o777)) castto(fd)}
const openmode = {path, opts, mode; -> syscall(Sysopen, cstring(path), a(opts), a(mode)) castto(fd)}
const close = {fd; -> syscall(Sysclose, a(fd))}
const creat = {path, mode; -> syscall(Syscreat, cstring(path), a(mode)) castto(fd)}
const unlink = {path; -> syscall(Sysunlink, cstring(path)) castto(int)}
const read = {fd, buf; -> syscall(Sysread, a(fd), buf castto(byte#), a(buf.len)) castto(size)}
const write = {fd, buf; -> syscall(Syswrite, a(fd), buf castto(byte#), a(buf.len)) castto(size)}
const lseek = {fd, off, whence; -> syscall(Syslseek, a(fd), a(off), a(whence))}
const stat = {path, sb; -> syscall(Sysstat, cstring(path), a(sb))}
const lstat = {path, sb; -> syscall(Syslstat, cstring(path), a(sb))}
const fstat = {fd, sb; -> syscall(Sysfstat, a(fd), a(sb))}
const mkdir = {path, mode; -> syscall(Sysmkdir, cstring(path), a(mode)) castto(int64)}
generic ioctl = {fd, req, arg; -> syscall(Sysioctl, a(fd), a(req), a(arg)) castto(int64)}
const getdents64 = {fd, buf; -> syscall(Sysgetdents64, a(fd), buf castto(byte#), a(buf.len))}
const chdir = {dir; -> syscall(Syschdir, cstring(dir))}
const getcwd = {buf; -> syscall(Sysgetcwd, a(buf), a(buf.len))}
/* file stuff */
const pipe = {fds; -> syscall(Syspipe, a(fds))}
const dup = {fd; -> syscall(Sysdup, a(fd)) castto(fd)}
const dup2 = {src, dst; -> syscall(Sysdup2, a(src), a(dst)) castto(fd)}
/* epoll */
const poll = {pfd, timeout; -> syscall(Syspoll, pfd castto(pollfd#), a(pfd.len), a(timeout)) castto(int)}
const epollctl = {epfd, op, fd, evt;
-> syscall(Sysepoll_ctl, a(epfd), a(op), a(fd), a(evt)) castto(int)}
const epollwait = {epfd, evts, timeout;
-> syscall(Sysepoll_wait, a(epfd), evts castto(epollevt#), a(evts.len), a(timeout)) castto(int)}
const epollcreate = {flg; -> syscall(Sysepoll_create1, a(flg)) castto(fd)}
/* networking */
const socket = {dom, stype, proto; -> syscall(Syssocket, a(dom), a(stype), a(proto)) castto(fd)}
const connect = {sock, addr, len; -> syscall(Sysconnect, a(sock), a(addr), a(len)) castto(int)}
const bind = {sock, addr, len; -> syscall(Sysbind, a(sock), a(addr), a(len)) castto(int)}
const listen = {sock, backlog; -> syscall(Syslisten, a(sock), a(backlog)) castto(int)}
const accept = {sock, addr, lenp; -> syscall(Sysaccept, a(sock), a(addr), a(lenp)) castto(fd)}
/* memory mapping */
const munmap = {addr, len; -> syscall(Sysmunmap, a(addr), a(len))}
const mmap = {addr, len, prot, flags, fd, off;
-> syscall(Sysmmap, a(addr), a(len), a(prot), a(flags), a(fd), a(off)) castto(byte#)
}
/* time */
const clock_getres = {clk, ts; -> syscall(Sysclock_getres, clockid(clk), a(ts)) castto(int32)}
const clock_gettime = {clk, ts; -> syscall(Sysclock_gettime, clockid(clk), a(ts)) castto(int32)}
const clock_settime = {clk, ts; -> syscall(Sysclock_settime, clockid(clk), a(ts)) castto(int32)}
const sleep = {time
var req, rem
req = [.sec = time, .nsec = 0]
-> nanosleep(&req, &rem)
}
const nanosleep = {req, rem; -> syscall(Sysnanosleep, a(req), a(rem)) castto(int32)}
/* system information */
const uname = {buf; -> syscall(Sysuname, buf) castto(int)}
const clockid = {clk
match clk
| `Clockrealtime: -> 0
| `Clockmonotonic: -> 1
| `Clockproccpu: -> 2
| `Clockthreadcpu: -> 3
| `Clockmonotonicraw: -> 4
| `Clockrealtimecoarse: -> 5
| `Clockmonotoniccoarse:-> 6
| `Clockboottime: -> 7
| `Clockrealtimealarm: -> 8
| `Clockboottimealarm: -> 9
;;
-> -1
}
const waitstatus = {st
if st & 0x7f == 0 /* if exited */
-> `Waitexit ((st & 0xff00) >> 8)
elif ((st & 0xffff)-1) < 0xff /* if signaled */
-> `Waitsig ((st) & 0x7f)
elif (((st & 0xffff)*0x10001)>>8) > 0x7f00
-> `Waitstop ((st & 0xff00) >> 8)
;;
}