pub type c_char = u8; pub type wchar_t = u32; pub type greg_t = i32; pub type mcontext_t = sigcontext; s! { pub struct sigcontext { pub trap_no: ::c_ulong, pub error_code: ::c_ulong, pub oldmask: ::c_ulong, pub arm_r0: ::c_ulong, pub arm_r1: ::c_ulong, pub arm_r2: ::c_ulong, pub arm_r3: ::c_ulong, pub arm_r4: ::c_ulong, pub arm_r5: ::c_ulong, pub arm_r6: ::c_ulong, pub arm_r7: ::c_ulong, pub arm_r8: ::c_ulong, pub arm_r9: ::c_ulong, pub arm_r10: ::c_ulong, pub arm_fp: ::c_ulong, pub arm_ip: ::c_ulong, pub arm_sp: ::c_ulong, pub arm_lr: ::c_ulong, pub arm_pc: ::c_ulong, pub arm_cpsr: ::c_ulong, pub fault_address: ::c_ulong, } } cfg_if! { if #[cfg(libc_union)] { s_no_extra_traits! { pub struct __c_anonymous_uc_sigmask_with_padding { pub uc_sigmask: ::sigset_t, /* Android has a wrong (smaller) sigset_t on x86. */ __padding_rt_sigset: u32, } pub union __c_anonymous_uc_sigmask { uc_sigmask: __c_anonymous_uc_sigmask_with_padding, uc_sigmask64: ::sigset64_t, } pub struct ucontext_t { pub uc_flags: ::c_ulong, pub uc_link: *mut ucontext_t, pub uc_stack: ::stack_t, pub uc_mcontext: mcontext_t, pub uc_sigmask__c_anonymous_union: __c_anonymous_uc_sigmask, /* The kernel adds extra padding after uc_sigmask to match * glibc sigset_t on ARM. */ __padding: [c_char; 120], __align: [::c_longlong; 0], uc_regspace: [::c_ulong; 128], } } cfg_if! { if #[cfg(feature = "extra_traits")] { impl PartialEq for __c_anonymous_uc_sigmask_with_padding { fn eq( &self, other: &__c_anonymous_uc_sigmask_with_padding ) -> bool { self.uc_sigmask == other.uc_sigmask // Ignore padding } } impl Eq for __c_anonymous_uc_sigmask_with_padding {} impl ::fmt::Debug for __c_anonymous_uc_sigmask_with_padding { fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result { f.debug_struct("uc_sigmask_with_padding") .field("uc_sigmask_with_padding", &self.uc_sigmask) // Ignore padding .finish() } } impl ::hash::Hash for __c_anonymous_uc_sigmask_with_padding { fn hash(&self, state: &mut H) { self.uc_sigmask.hash(state) // Ignore padding } } impl PartialEq for __c_anonymous_uc_sigmask { fn eq(&self, other: &__c_anonymous_uc_sigmask) -> bool { unsafe { self.uc_sigmask == other.uc_sigmask } } } impl Eq for __c_anonymous_uc_sigmask {} impl ::fmt::Debug for __c_anonymous_uc_sigmask { fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result { f.debug_struct("uc_sigmask") .field("uc_sigmask", unsafe { &self.uc_sigmask }) .finish() } } impl ::hash::Hash for __c_anonymous_uc_sigmask { fn hash(&self, state: &mut H) { unsafe { self.uc_sigmask.hash(state) } } } impl PartialEq for ucontext_t { fn eq(&self, other: &Self) -> bool { self.uc_flags == other.uc_flags && self.uc_link == other.uc_link && self.uc_stack == other.uc_stack && self.uc_mcontext == other.uc_mcontext && self.uc_sigmask__c_anonymous_union == other.uc_sigmask__c_anonymous_union && &self.uc_regspace[..] == &other.uc_regspace[..] // Ignore padding field } } impl Eq for ucontext_t {} impl ::fmt::Debug for ucontext_t { fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result { f.debug_struct("ucontext_t") .field("uc_flags", &self.uc_flags) .field("uc_link", &self.uc_link) .field("uc_stack", &self.uc_stack) .field("uc_mcontext", &self.uc_mcontext) .field( "uc_sigmask__c_anonymous_union", &self.uc_sigmask__c_anonymous_union ) .field("uc_regspace", &&self.uc_regspace[..]) // Ignore padding field .finish() } } impl ::hash::Hash for ucontext_t { fn hash(&self, state: &mut H) { self.uc_flags.hash(state); self.uc_link.hash(state); self.uc_stack.hash(state); self.uc_mcontext.hash(state); self.uc_sigmask__c_anonymous_union.hash(state); self.uc_regspace[..].hash(state); // Ignore padding field } } } } } } pub const O_DIRECT: ::c_int = 0x10000; pub const O_DIRECTORY: ::c_int = 0x4000; pub const O_NOFOLLOW: ::c_int = 0x8000; pub const O_LARGEFILE: ::c_int = 0o400000; pub const SYS_restart_syscall: ::c_long = 0; pub const SYS_exit: ::c_long = 1; pub const SYS_fork: ::c_long = 2; pub const SYS_read: ::c_long = 3; pub const SYS_write: ::c_long = 4; pub const SYS_open: ::c_long = 5; pub const SYS_close: ::c_long = 6; pub const SYS_creat: ::c_long = 8; pub const SYS_link: ::c_long = 9; pub const SYS_unlink: ::c_long = 10; pub const SYS_execve: ::c_long = 11; pub const SYS_chdir: ::c_long = 12; pub const SYS_mknod: ::c_long = 14; pub const SYS_chmod: ::c_long = 15; pub const SYS_lchown: ::c_long = 16; pub const SYS_lseek: ::c_long = 19; pub const SYS_getpid: ::c_long = 20; pub const SYS_mount: ::c_long = 21; pub const SYS_setuid: ::c_long = 23; pub const SYS_getuid: ::c_long = 24; pub const SYS_ptrace: ::c_long = 26; pub const SYS_pause: ::c_long = 29; pub const SYS_access: ::c_long = 33; pub const SYS_nice: ::c_long = 34; pub const SYS_sync: ::c_long = 36; pub const SYS_kill: ::c_long = 37; pub const SYS_rename: ::c_long = 38; pub const SYS_mkdir: ::c_long = 39; pub const SYS_rmdir: ::c_long = 40; pub const SYS_dup: ::c_long = 41; pub const SYS_pipe: ::c_long = 42; pub const SYS_times: ::c_long = 43; pub const SYS_brk: ::c_long = 45; pub const SYS_setgid: ::c_long = 46; pub const SYS_getgid: ::c_long = 47; pub const SYS_geteuid: ::c_long = 49; pub const SYS_getegid: ::c_long = 50; pub const SYS_acct: ::c_long = 51; pub const SYS_umount2: ::c_long = 52; pub const SYS_ioctl: ::c_long = 54; pub const SYS_fcntl: ::c_long = 55; pub const SYS_setpgid: ::c_long = 57; pub const SYS_umask: ::c_long = 60; pub const SYS_chroot: ::c_long = 61; pub const SYS_ustat: ::c_long = 62; pub const SYS_dup2: ::c_long = 63; pub const SYS_getppid: ::c_long = 64; pub const SYS_getpgrp: ::c_long = 65; pub const SYS_setsid: ::c_long = 66; pub const SYS_sigaction: ::c_long = 67; pub const SYS_setreuid: ::c_long = 70; pub const SYS_setregid: ::c_long = 71; pub const SYS_sigsuspend: ::c_long = 72; pub const SYS_sigpending: ::c_long = 73; pub const SYS_sethostname: ::c_long = 74; pub const SYS_setrlimit: ::c_long = 75; pub const SYS_getrusage: ::c_long = 77; pub const SYS_gettimeofday: ::c_long = 78; pub const SYS_settimeofday: ::c_long = 79; pub const SYS_getgroups: ::c_long = 80; pub const SYS_setgroups: ::c_long = 81; pub const SYS_symlink: ::c_long = 83; pub const SYS_readlink: ::c_long = 85; pub const SYS_uselib: ::c_long = 86; pub const SYS_swapon: ::c_long = 87; pub const SYS_reboot: ::c_long = 88; pub const SYS_munmap: ::c_long = 91; pub const SYS_truncate: ::c_long = 92; pub const SYS_ftruncate: ::c_long = 93; pub const SYS_fchmod: ::c_long = 94; pub const SYS_fchown: ::c_long = 95; pub const SYS_getpriority: ::c_long = 96; pub const SYS_setpriority: ::c_long = 97; pub const SYS_statfs: ::c_long = 99; pub const SYS_fstatfs: ::c_long = 100; pub const SYS_syslog: ::c_long = 103; pub const SYS_setitimer: ::c_long = 104; pub const SYS_getitimer: ::c_long = 105; pub const SYS_stat: ::c_long = 106; pub const SYS_lstat: ::c_long = 107; pub const SYS_fstat: ::c_long = 108; pub const SYS_vhangup: ::c_long = 111; pub const SYS_wait4: ::c_long = 114; pub const SYS_swapoff: ::c_long = 115; pub const SYS_sysinfo: ::c_long = 116; pub const SYS_fsync: ::c_long = 118; pub const SYS_sigreturn: ::c_long = 119; pub const SYS_clone: ::c_long = 120; pub const SYS_setdomainname: ::c_long = 121; pub const SYS_uname: ::c_long = 122; pub const SYS_adjtimex: ::c_long = 124; pub const SYS_mprotect: ::c_long = 125; pub const SYS_sigprocmask: ::c_long = 126; pub const SYS_init_module: ::c_long = 128; pub const SYS_delete_module: ::c_long = 129; pub const SYS_quotactl: ::c_long = 131; pub const SYS_getpgid: ::c_long = 132; pub const SYS_fchdir: ::c_long = 133; pub const SYS_bdflush: ::c_long = 134; pub const SYS_sysfs: ::c_long = 135; pub const SYS_personality: ::c_long = 136; pub const SYS_setfsuid: ::c_long = 138; pub const SYS_setfsgid: ::c_long = 139; pub const SYS_getdents: ::c_long = 141; pub const SYS_flock: ::c_long = 143; pub const SYS_msync: ::c_long = 144; pub const SYS_readv: ::c_long = 145; pub const SYS_writev: ::c_long = 146; pub const SYS_getsid: ::c_long = 147; pub const SYS_fdatasync: ::c_long = 148; pub const SYS_mlock: ::c_long = 150; pub const SYS_munlock: ::c_long = 151; pub const SYS_mlockall: ::c_long = 152; pub const SYS_munlockall: ::c_long = 153; pub const SYS_sched_setparam: ::c_long = 154; pub const SYS_sched_getparam: ::c_long = 155; pub const SYS_sched_setscheduler: ::c_long = 156; pub const SYS_sched_getscheduler: ::c_long = 157; pub const SYS_sched_yield: ::c_long = 158; pub const SYS_sched_get_priority_max: ::c_long = 159; pub const SYS_sched_get_priority_min: ::c_long = 160; pub const SYS_sched_rr_get_interval: ::c_long = 161; pub const SYS_nanosleep: ::c_long = 162; pub const SYS_mremap: ::c_long = 163; pub const SYS_setresuid: ::c_long = 164; pub const SYS_getresuid: ::c_long = 165; pub const SYS_poll: ::c_long = 168; pub const SYS_nfsservctl: ::c_long = 169; pub const SYS_setresgid: ::c_long = 170; pub const SYS_getresgid: ::c_long = 171; pub const SYS_prctl: ::c_long = 172; pub const SYS_rt_sigreturn: ::c_long = 173; pub const SYS_rt_sigaction: ::c_long = 174; pub const SYS_rt_sigprocmask: ::c_long = 175; pub const SYS_rt_sigpending: ::c_long = 176; pub const SYS_rt_sigtimedwait: ::c_long = 177; pub const SYS_rt_sigqueueinfo: ::c_long = 178; pub const SYS_rt_sigsuspend: ::c_long = 179; pub const SYS_pread64: ::c_long = 180; pub const SYS_pwrite64: ::c_long = 181; pub const SYS_chown: ::c_long = 182; pub const SYS_getcwd: ::c_long = 183; pub const SYS_capget: ::c_long = 184; pub const SYS_capset: ::c_long = 185; pub const SYS_sigaltstack: ::c_long = 186; pub const SYS_sendfile: ::c_long = 187; pub const SYS_vfork: ::c_long = 190; pub const SYS_ugetrlimit: ::c_long = 191; pub const SYS_mmap2: ::c_long = 192; pub const SYS_truncate64: ::c_long = 193; pub const SYS_ftruncate64: ::c_long = 194; pub const SYS_stat64: ::c_long = 195; pub const SYS_lstat64: ::c_long = 196; pub const SYS_fstat64: ::c_long = 197; pub const SYS_lchown32: ::c_long = 198; pub const SYS_getuid32: ::c_long = 199; pub const SYS_getgid32: ::c_long = 200; pub const SYS_geteuid32: ::c_long = 201; pub const SYS_getegid32: ::c_long = 202; pub const SYS_setreuid32: ::c_long = 203; pub const SYS_setregid32: ::c_long = 204; pub const SYS_getgroups32: ::c_long = 205; pub const SYS_setgroups32: ::c_long = 206; pub const SYS_fchown32: ::c_long = 207; pub const SYS_setresuid32: ::c_long = 208; pub const SYS_getresuid32: ::c_long = 209; pub const SYS_setresgid32: ::c_long = 210; pub const SYS_getresgid32: ::c_long = 211; pub const SYS_chown32: ::c_long = 212; pub const SYS_setuid32: ::c_long = 213; pub const SYS_setgid32: ::c_long = 214; pub const SYS_setfsuid32: ::c_long = 215; pub const SYS_setfsgid32: ::c_long = 216; pub const SYS_getdents64: ::c_long = 217; pub const SYS_pivot_root: ::c_long = 218; pub const SYS_mincore: ::c_long = 219; pub const SYS_madvise: ::c_long = 220; pub const SYS_fcntl64: ::c_long = 221; pub const SYS_gettid: ::c_long = 224; pub const SYS_readahead: ::c_long = 225; pub const SYS_setxattr: ::c_long = 226; pub const SYS_lsetxattr: ::c_long = 227; pub const SYS_fsetxattr: ::c_long = 228; pub const SYS_getxattr: ::c_long = 229; pub const SYS_lgetxattr: ::c_long = 230; pub const SYS_fgetxattr: ::c_long = 231; pub const SYS_listxattr: ::c_long = 232; pub const SYS_llistxattr: ::c_long = 233; pub const SYS_flistxattr: ::c_long = 234; pub const SYS_removexattr: ::c_long = 235; pub const SYS_lremovexattr: ::c_long = 236; pub const SYS_fremovexattr: ::c_long = 237; pub const SYS_tkill: ::c_long = 238; pub const SYS_sendfile64: ::c_long = 239; pub const SYS_futex: ::c_long = 240; pub const SYS_sched_setaffinity: ::c_long = 241; pub const SYS_sched_getaffinity: ::c_long = 242; pub const SYS_io_setup: ::c_long = 243; pub const SYS_io_destroy: ::c_long = 244; pub const SYS_io_getevents: ::c_long = 245; pub const SYS_io_submit: ::c_long = 246; pub const SYS_io_cancel: ::c_long = 247; pub const SYS_exit_group: ::c_long = 248; pub const SYS_lookup_dcookie: ::c_long = 249; pub const SYS_epoll_create: ::c_long = 250; pub const SYS_epoll_ctl: ::c_long = 251; pub const SYS_epoll_wait: ::c_long = 252; pub const SYS_remap_file_pages: ::c_long = 253; pub const SYS_set_tid_address: ::c_long = 256; pub const SYS_timer_create: ::c_long = 257; pub const SYS_timer_settime: ::c_long = 258; pub const SYS_timer_gettime: ::c_long = 259; pub const SYS_timer_getoverrun: ::c_long = 260; pub const SYS_timer_delete: ::c_long = 261; pub const SYS_clock_settime: ::c_long = 262; pub const SYS_clock_gettime: ::c_long = 263; pub const SYS_clock_getres: ::c_long = 264; pub const SYS_clock_nanosleep: ::c_long = 265; pub const SYS_statfs64: ::c_long = 266; pub const SYS_fstatfs64: ::c_long = 267; pub const SYS_tgkill: ::c_long = 268; pub const SYS_utimes: ::c_long = 269; pub const SYS_arm_fadvise64_64: ::c_long = 270; pub const SYS_pciconfig_iobase: ::c_long = 271; pub const SYS_pciconfig_read: ::c_long = 272; pub const SYS_pciconfig_write: ::c_long = 273; pub const SYS_mq_open: ::c_long = 274; pub const SYS_mq_unlink: ::c_long = 275; pub const SYS_mq_timedsend: ::c_long = 276; pub const SYS_mq_timedreceive: ::c_long = 277; pub const SYS_mq_notify: ::c_long = 278; pub const SYS_mq_getsetattr: ::c_long = 279; pub const SYS_waitid: ::c_long = 280; pub const SYS_socket: ::c_long = 281; pub const SYS_bind: ::c_long = 282; pub const SYS_connect: ::c_long = 283; pub const SYS_listen: ::c_long = 284; pub const SYS_accept: ::c_long = 285; pub const SYS_getsockname: ::c_long = 286; pub const SYS_getpeername: ::c_long = 287; pub const SYS_socketpair: ::c_long = 288; pub const SYS_send: ::c_long = 289; pub const SYS_sendto: ::c_long = 290; pub const SYS_recv: ::c_long = 291; pub const SYS_recvfrom: ::c_long = 292; pub const SYS_shutdown: ::c_long = 293; pub const SYS_setsockopt: ::c_long = 294; pub const SYS_getsockopt: ::c_long = 295; pub const SYS_sendmsg: ::c_long = 296; pub const SYS_recvmsg: ::c_long = 297; pub const SYS_semop: ::c_long = 298; pub const SYS_semget: ::c_long = 299; pub const SYS_semctl: ::c_long = 300; pub const SYS_msgsnd: ::c_long = 301; pub const SYS_msgrcv: ::c_long = 302; pub const SYS_msgget: ::c_long = 303; pub const SYS_msgctl: ::c_long = 304; pub const SYS_shmat: ::c_long = 305; pub const SYS_shmdt: ::c_long = 306; pub const SYS_shmget: ::c_long = 307; pub const SYS_shmctl: ::c_long = 308; pub const SYS_add_key: ::c_long = 309; pub const SYS_request_key: ::c_long = 310; pub const SYS_keyctl: ::c_long = 311; pub const SYS_semtimedop: ::c_long = 312; pub const SYS_vserver: ::c_long = 313; pub const SYS_ioprio_set: ::c_long = 314; pub const SYS_ioprio_get: ::c_long = 315; pub const SYS_inotify_init: ::c_long = 316; pub const SYS_inotify_add_watch: ::c_long = 317; pub const SYS_inotify_rm_watch: ::c_long = 318; pub const SYS_mbind: ::c_long = 319; pub const SYS_get_mempolicy: ::c_long = 320; pub const SYS_set_mempolicy: ::c_long = 321; pub const SYS_openat: ::c_long = 322; pub const SYS_mkdirat: ::c_long = 323; pub const SYS_mknodat: ::c_long = 324; pub const SYS_fchownat: ::c_long = 325; pub const SYS_futimesat: ::c_long = 326; pub const SYS_fstatat64: ::c_long = 327; pub const SYS_unlinkat: ::c_long = 328; pub const SYS_renameat: ::c_long = 329; pub const SYS_linkat: ::c_long = 330; pub const SYS_symlinkat: ::c_long = 331; pub const SYS_readlinkat: ::c_long = 332; pub const SYS_fchmodat: ::c_long = 333; pub const SYS_faccessat: ::c_long = 334; pub const SYS_pselect6: ::c_long = 335; pub const SYS_ppoll: ::c_long = 336; pub const SYS_unshare: ::c_long = 337; pub const SYS_set_robust_list: ::c_long = 338; pub const SYS_get_robust_list: ::c_long = 339; pub const SYS_splice: ::c_long = 340; pub const SYS_arm_sync_file_range: ::c_long = 341; pub const SYS_tee: ::c_long = 342; pub const SYS_vmsplice: ::c_long = 343; pub const SYS_move_pages: ::c_long = 344; pub const SYS_getcpu: ::c_long = 345; pub const SYS_epoll_pwait: ::c_long = 346; pub const SYS_kexec_load: ::c_long = 347; pub const SYS_utimensat: ::c_long = 348; pub const SYS_signalfd: ::c_long = 349; pub const SYS_timerfd_create: ::c_long = 350; pub const SYS_eventfd: ::c_long = 351; pub const SYS_fallocate: ::c_long = 352; pub const SYS_timerfd_settime: ::c_long = 353; pub const SYS_timerfd_gettime: ::c_long = 354; pub const SYS_signalfd4: ::c_long = 355; pub const SYS_eventfd2: ::c_long = 356; pub const SYS_epoll_create1: ::c_long = 357; pub const SYS_dup3: ::c_long = 358; pub const SYS_pipe2: ::c_long = 359; pub const SYS_inotify_init1: ::c_long = 360; pub const SYS_preadv: ::c_long = 361; pub const SYS_pwritev: ::c_long = 362; pub const SYS_rt_tgsigqueueinfo: ::c_long = 363; pub const SYS_perf_event_open: ::c_long = 364; pub const SYS_recvmmsg: ::c_long = 365; pub const SYS_accept4: ::c_long = 366; pub const SYS_fanotify_init: ::c_long = 367; pub const SYS_fanotify_mark: ::c_long = 368; pub const SYS_prlimit64: ::c_long = 369; pub const SYS_name_to_handle_at: ::c_long = 370; pub const SYS_open_by_handle_at: ::c_long = 371; pub const SYS_clock_adjtime: ::c_long = 372; pub const SYS_syncfs: ::c_long = 373; pub const SYS_sendmmsg: ::c_long = 374; pub const SYS_setns: ::c_long = 375; pub const SYS_process_vm_readv: ::c_long = 376; pub const SYS_process_vm_writev: ::c_long = 377; pub const SYS_kcmp: ::c_long = 378; pub const SYS_finit_module: ::c_long = 379; pub const SYS_sched_setattr: ::c_long = 380; pub const SYS_sched_getattr: ::c_long = 381; pub const SYS_renameat2: ::c_long = 382; pub const SYS_seccomp: ::c_long = 383; pub const SYS_getrandom: ::c_long = 384; pub const SYS_memfd_create: ::c_long = 385; pub const SYS_bpf: ::c_long = 386; pub const SYS_execveat: ::c_long = 387; pub const SYS_userfaultfd: ::c_long = 388; pub const SYS_membarrier: ::c_long = 389; pub const SYS_mlock2: ::c_long = 390; pub const SYS_copy_file_range: ::c_long = 391; pub const SYS_preadv2: ::c_long = 392; pub const SYS_pwritev2: ::c_long = 393; pub const SYS_pkey_mprotect: ::c_long = 394; pub const SYS_pkey_alloc: ::c_long = 395; pub const SYS_pkey_free: ::c_long = 396; pub const SYS_statx: ::c_long = 397; pub const SYS_pidfd_send_signal: ::c_long = 424; pub const SYS_io_uring_setup: ::c_long = 425; pub const SYS_io_uring_enter: ::c_long = 426; pub const SYS_io_uring_register: ::c_long = 427; pub const SYS_open_tree: ::c_long = 428; pub const SYS_move_mount: ::c_long = 429; pub const SYS_fsopen: ::c_long = 430; pub const SYS_fsconfig: ::c_long = 431; pub const SYS_fsmount: ::c_long = 432; pub const SYS_fspick: ::c_long = 433; // offsets in mcontext_t.gregs from sys/ucontext.h pub const REG_R0: ::c_int = 0; pub const REG_R1: ::c_int = 1; pub const REG_R2: ::c_int = 2; pub const REG_R3: ::c_int = 3; pub const REG_R4: ::c_int = 4; pub const REG_R5: ::c_int = 5; pub const REG_R6: ::c_int = 6; pub const REG_R7: ::c_int = 7; pub const REG_R8: ::c_int = 8; pub const REG_R9: ::c_int = 9; pub const REG_R10: ::c_int = 10; pub const REG_R11: ::c_int = 11; pub const REG_R12: ::c_int = 12; pub const REG_R13: ::c_int = 13; pub const REG_R14: ::c_int = 14; pub const REG_R15: ::c_int = 15; pub const NGREG: ::c_int = 18; f! { // Sadly, Android before 5.0 (API level 21), the accept4 syscall is not // exposed by the libc. As work-around, we implement it through `syscall` // directly. This workaround can be removed if the minimum version of // Android is bumped. When the workaround is removed, `accept4` can be // moved back to `linux_like/mod.rs` pub fn accept4( fd: ::c_int, addr: *mut ::sockaddr, len: *mut ::socklen_t, flg: ::c_int ) -> ::c_int { ::syscall(SYS_accept4, fd, addr, len, flg) as ::c_int } }