code review 152142: FreeBSD-specific porting work.

src/pkg/syscall/syscall_freebsd.go

Index: src/pkg/syscall/syscall_freebsd.go
===================================================================
new file mode 100644
--- /dev/null
+++ b/src/pkg/syscall/syscall_freebsd.go
@@ -0,0 +1,762 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// FreeBSD system calls.
+// This file is compiled as ordinary Go code,
+// but it is also input to mksyscall,
+// which parses the //sys lines and generates system call stubs.
+// Note that sometimes we use a lowercase //sys name and
+// wrap it in our own nicer implementation.
+
+package syscall
+
+import "unsafe"
+
+const OS = "freebsd"
+
+/*
+ * Pseudo-system calls
+ */
+// The const provides a compile-time constant so clients
+// can adjust to whether there is a working Getwd and avoid
+// even linking this function into the binary.  See ../os/getwd.go.
+const ImplementsGetwd = false
+
+func Getwd() (string, int)	{ return "", ENOTSUP }
+
+
+/*
+ * Wrapped
+ */
+
+//sys	getgroups(ngid int, gid *_Gid_t) (n int, errno int)
+//sys	setgroups(ngid int, gid *_Gid_t) (errno int)
+
+func Getgroups() (gids []int, errno int) {
+	n, err := getgroups(0, nil);
+	if err != 0 {
+		return nil, errno
+	}
+	if n == 0 {
+		return nil, 0
+	}
+
+	// Sanity check group count.  Max is 16 on BSD.
+	if n < 0 || n > 1000 {
+		return nil, EINVAL
+	}
+
+	a := make([]_Gid_t, n);
+	n, err = getgroups(n, &a[0]);
+	if err != 0 {
+		return nil, errno
+	}
+	gids = make([]int, n);
+	for i, v := range a[0:n] {
+		gids[i] = int(v)
+	}
+	return;
+}
+
+func Setgroups(gids []int) (errno int) {
+	if len(gids) == 0 {
+		return setgroups(0, nil)
+	}
+
+	a := make([]_Gid_t, len(gids));
+	for i, v := range gids {
+		a[i] = _Gid_t(v)
+	}
+	return setgroups(len(a), &a[0]);
+}
+
+// Wait status is 7 bits at bottom, either 0 (exited),
+// 0x7F (stopped), or a signal number that caused an exit.
+// The 0x80 bit is whether there was a core dump.
+// An extra number (exit code, signal causing a stop)
+// is in the high bits.
+
+type WaitStatus uint32
+
+const (
+	mask	= 0x7F;
+	core	= 0x80;
+	shift	= 8;
+
+	exited	= 0;
+	stopped	= 0x7F;
+)
+
+func (w WaitStatus) Exited() bool	{ return w&mask == exited }
+
+func (w WaitStatus) ExitStatus() int {
+	if w&mask != exited {
+		return -1
+	}
+	return int(w >> shift);
+}
+
+func (w WaitStatus) Signaled() bool	{ return w&mask != stopped && w&mask != 0 }
+
+func (w WaitStatus) Signal() int {
+	sig := int(w & mask);
+	if sig == stopped || sig == 0 {
+		return -1
+	}
+	return sig;
+}
+
+func (w WaitStatus) CoreDump() bool	{ return w.Signaled() && w&core != 0 }
+
+func (w WaitStatus) Stopped() bool	{ return w&mask == stopped && w>>shift != SIGSTOP }
+
+func (w WaitStatus) Continued() bool	{ return w&mask == stopped && w>>shift == SIGSTOP }
+
+func (w WaitStatus) StopSignal() int {
+	if !w.Stopped() {
+		return -1
+	}
+	return int(w>>shift) & 0xFF;
+}
+
+func (w WaitStatus) TrapCause() int {
+	// Darwin doesn't have trap causes
+	return -1
+}
+
+//sys	wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, errno int)
+
+func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, errno int) {
+	var status _C_int;
+	wpid, errno = wait4(pid, &status, options, rusage);
+	if wstatus != nil {
+		*wstatus = WaitStatus(status)
+	}
+	return;
+}
+
+//sys	pipe() (r int, w int, errno int)
+
+func Pipe(p []int) (errno int) {
+	if len(p) != 2 {
+		return EINVAL
+	}
+	p[0], p[1], errno = pipe();
+	return;
+}
+
+func Sleep(ns int64) (errno int) {
+	tv := NsecToTimeval(ns);
+	return Select(0, nil, nil, nil, &tv);
+}
+
+//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, errno int)
+//sys	bind(s int, addr uintptr, addrlen _Socklen) (errno int)
+//sys	connect(s int, addr uintptr, addrlen _Socklen) (errno int)
+//sys	socket(domain int, typ int, proto int) (fd int, errno int)
+//sys	setsockopt(s int, level int, name int, val uintptr, vallen int) (errno int)
+//sys	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int)
+//sys	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int)
+
+// For testing: clients can set this flag to force
+// creation of IPv6 sockets to return EAFNOSUPPORT.
+var SocketDisableIPv6 bool
+
+type Sockaddr interface {
+	sockaddr() (ptr uintptr, len _Socklen, errno int);	// lowercase; only we can define Sockaddrs
+}
+
+type SockaddrInet4 struct {
+	Port	int;
+	Addr	[4]byte;
+	raw	RawSockaddrInet4;
+}
+
+func (sa *SockaddrInet4) sockaddr() (uintptr, _Socklen, int) {
+	if sa.Port < 0 || sa.Port > 0xFFFF {
+		return 0, 0, EINVAL
+	}
+	sa.raw.Len = SizeofSockaddrInet4;
+	sa.raw.Family = AF_INET;
+	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port));
+	p[0] = byte(sa.Port >> 8);
+	p[1] = byte(sa.Port);
+	for i := 0; i < len(sa.Addr); i++ {
+		sa.raw.Addr[i] = sa.Addr[i]
+	}
+	return uintptr(unsafe.Pointer(&sa.raw)), _Socklen(sa.raw.Len), 0;
+}
+
+type SockaddrInet6 struct {
+	Port	int;
+	Addr	[16]byte;
+	raw	RawSockaddrInet6;
+}
+
+func (sa *SockaddrInet6) sockaddr() (uintptr, _Socklen, int) {
+	if sa.Port < 0 || sa.Port > 0xFFFF {
+		return 0, 0, EINVAL
+	}
+	sa.raw.Len = SizeofSockaddrInet6;
+	sa.raw.Family = AF_INET6;
+	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port));
+	p[0] = byte(sa.Port >> 8);
+	p[1] = byte(sa.Port);
+	for i := 0; i < len(sa.Addr); i++ {
+		sa.raw.Addr[i] = sa.Addr[i]
+	}
+	return uintptr(unsafe.Pointer(&sa.raw)), _Socklen(sa.raw.Len), 0;
+}
+
+type SockaddrUnix struct {
+	Name	string;
+	raw	RawSockaddrUnix;
+}
+
+func (sa *SockaddrUnix) sockaddr() (uintptr, _Socklen, int) {
+	name := sa.Name;
+	n := len(name);
+	if n >= len(sa.raw.Path) || n == 0 {
+		return 0, 0, EINVAL
+	}
+	sa.raw.Len = byte(3 + n);	// 2 for Family, Len; 1 for NUL
+	sa.raw.Family = AF_UNIX;
+	for i := 0; i < n; i++ {
+		sa.raw.Path[i] = int8(name[i])
+	}
+	return uintptr(unsafe.Pointer(&sa.raw)), _Socklen(sa.raw.Len), 0;
+}
+
+func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, int) {
+	switch rsa.Addr.Family {
+	case AF_UNIX:
+		pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa));
+		if pp.Len < 3 || pp.Len > SizeofSockaddrUnix {
+			return nil, EINVAL
+		}
+		sa := new(SockaddrUnix);
+		n := int(pp.Len) - 3;	// subtract leading Family, Len, terminating NUL
+		for i := 0; i < n; i++ {
+			if pp.Path[i] == 0 {
+				// found early NUL; assume Len is overestimating
+				n = i;
+				break;
+			}
+		}
+		bytes := (*[len(pp.Path)]byte)(unsafe.Pointer(&pp.Path[0]));
+		sa.Name = string(bytes[0:n]);
+		return sa, 0;
+
+	case AF_INET:
+		pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa));
+		sa := new(SockaddrInet4);
+		p := (*[2]byte)(unsafe.Pointer(&pp.Port));
+		sa.Port = int(p[0])<<8 + int(p[1]);
+		for i := 0; i < len(sa.Addr); i++ {
+			sa.Addr[i] = pp.Addr[i]
+		}
+		return sa, 0;
+
+	case AF_INET6:
+		pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa));
+		sa := new(SockaddrInet6);
+		p := (*[2]byte)(unsafe.Pointer(&pp.Port));
+		sa.Port = int(p[0])<<8 + int(p[1]);
+		for i := 0; i < len(sa.Addr); i++ {
+			sa.Addr[i] = pp.Addr[i]
+		}
+		return sa, 0;
+	}
+	return nil, EAFNOSUPPORT;
+}
+
+func Accept(fd int) (nfd int, sa Sockaddr, errno int) {
+	var rsa RawSockaddrAny;
+	var len _Socklen = SizeofSockaddrAny;
+	nfd, errno = accept(fd, &rsa, &len);
+	if errno != 0 {
+		return
+	}
+	sa, errno = anyToSockaddr(&rsa);
+	if errno != 0 {
+		Close(nfd);
+		nfd = 0;
+	}
+	return;
+}
+
+func Getsockname(fd int) (sa Sockaddr, errno int) {
+	var rsa RawSockaddrAny;
+	var len _Socklen = SizeofSockaddrAny;
+	if errno = getsockname(fd, &rsa, &len); errno != 0 {
+		return
+	}
+	return anyToSockaddr(&rsa);
+}
+
+func Getpeername(fd int) (sa Sockaddr, errno int) {
+	var rsa RawSockaddrAny;
+	var len _Socklen = SizeofSockaddrAny;
+	if errno = getpeername(fd, &rsa, &len); errno != 0 {
+		return
+	}
+	return anyToSockaddr(&rsa);
+}
+
+func Bind(fd int, sa Sockaddr) (errno int) {
+	ptr, n, err := sa.sockaddr();
+	if err != 0 {
+		return err
+	}
+	return bind(fd, ptr, n);
+}
+
+func Connect(fd int, sa Sockaddr) (errno int) {
+	ptr, n, err := sa.sockaddr();
+	if err != 0 {
+		return err
+	}
+	return connect(fd, ptr, n);
+}
+
+func Socket(domain, typ, proto int) (fd, errno int) {
+	if domain == AF_INET6 && SocketDisableIPv6 {
+		return -1, EAFNOSUPPORT
+	}
+	fd, errno = socket(domain, typ, proto);
+	return;
+}
+
+func SetsockoptInt(fd, level, opt int, value int) (errno int) {
+	var n = int32(value);
+	return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(&n)), 4);
+}
+
+func SetsockoptTimeval(fd, level, opt int, tv *Timeval) (errno int) {
+	return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(tv)), unsafe.Sizeof(*tv))
+}
+
+func SetsockoptLinger(fd, level, opt int, l *Linger) (errno int) {
+	return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(l)), unsafe.Sizeof(*l))
+}
+
+
+//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, errno int)
+
+func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, errno int) {
+	var rsa RawSockaddrAny;
+	var len _Socklen = SizeofSockaddrAny;
+	if n, errno = recvfrom(fd, p, flags, &rsa, &len); errno != 0 {
+		return
+	}
+	from, errno = anyToSockaddr(&rsa);
+	return;
+}
+
+//sys sendto(s int, buf []byte, flags int, to uintptr, addrlen _Socklen) (errno int)
+
+func Sendto(fd int, p []byte, flags int, to Sockaddr) (errno int) {
+	ptr, n, err := to.sockaddr();
+	if err != 0 {
+		return err
+	}
+	return sendto(fd, p, flags, ptr, n);
+}
+
+//sys	kevent(kq int, change uintptr, nchange int, event uintptr, nevent int, timeout *Timespec) (n int, errno int)
+
+func Kevent(kq int, changes, events []Kevent_t, timeout *Timespec) (n int, errno int) {
+	var change, event uintptr;
+	if len(changes) > 0 {
+		change = uintptr(unsafe.Pointer(&changes[0]))
+	}
+	if len(events) > 0 {
+		event = uintptr(unsafe.Pointer(&events[0]))
+	}
+	return kevent(kq, change, len(changes), event, len(events), timeout);
+}
+
+//sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (errno int) = SYS___SYSCTL
+
+// Translate "kern.hostname" to []_C_int{0,1,2,3}.
+func nametomib(name string) (mib []_C_int, errno int) {
+	const CTL_MAXNAME = 12;
+	const siz = uintptr(unsafe.Sizeof(mib[0]));
+
+	// NOTE(rsc): It seems strange to set the buffer to have
+	// size CTL_MAXNAME+2 but use only CTL_MAXNAME
+	// as the size.  I don't know why the +2 is here, but the
+	// kernel uses +2 for its own implementation of this function.
+	// I am scared that if we don't include the +2 here, the kernel
+	// will silently write 2 words farther than we specify
+	// and we'll get memory corruption.
+	var buf [CTL_MAXNAME + 2]_C_int;
+	n := uintptr(CTL_MAXNAME) * siz;
+
+	p := (*byte)(unsafe.Pointer(&buf[0]));
+	bytes := StringByteSlice(name);
+
+	// Magic sysctl: "setting" 0.3 to a string name
+	// lets you read back the array of integers form.
+	if errno = sysctl([]_C_int{0, 3}, p, &n, &bytes[0], uintptr(len(name))); errno != 0 {
+		return nil, errno
+	}
+	return buf[0 : n/siz], 0;
+}
+
+func Sysctl(name string) (value string, errno int) {
+	// Translate name to mib number.
+	mib, errno := nametomib(name);
+	if errno != 0 {
+		return "", errno
+	}
+
+	// Find size.
+	n := uintptr(0);
+	if errno = sysctl(mib, nil, &n, nil, 0); errno != 0 {
+		return "", errno
+	}
+	if n == 0 {
+		return "", 0
+	}
+
+	// Read into buffer of that size.
+	buf := make([]byte, n);
+	if errno = sysctl(mib, &buf[0], &n, nil, 0); errno != 0 {
+		return "", errno
+	}
+
+	// Throw away terminating NUL.
+	if n > 0 && buf[n-1] == '\x00' {
+		n--
+	}
+	return string(buf[0:n]), 0;
+}
+
+func SysctlUint32(name string) (value uint32, errno int) {
+	// Translate name to mib number.
+	mib, errno := nametomib(name);
+	if errno != 0 {
+		return 0, errno
+	}
+
+	// Read into buffer of that size.
+	n := uintptr(4);
+	buf := make([]byte, 4);
+	if errno = sysctl(mib, &buf[0], &n, nil, 0); errno != 0 {
+		return 0, errno
+	}
+	if n != 4 {
+		return 0, EIO
+	}
+	return *(*uint32)(unsafe.Pointer(&buf[0])), 0;
+}
+
+// TODO: wrap
+//	Acct(name nil-string) (errno int)
+//	Futimes(fd int, timeval *Timeval) (errno int)	// Pointer to 2 timevals!
+//	Gethostuuid(uuid *byte, timeout *Timespec) (errno int)
+//	Getsockopt(s int, level int, name int, val *byte, vallen *int) (errno int)
+//	Madvise(addr *byte, len int, behav int) (errno int)
+//	Mprotect(addr *byte, len int, prot int) (errno int)
+//	Msync(addr *byte, len int, flags int) (errno int)
+//	Munmap(addr *byte, len int) (errno int)
+//	Ptrace(req int, pid int, addr uintptr, data int) (ret uintptr, errno int)
+//	Recvmsg(s int, msg *Msghdr, flags int) (n int, errno int)
+//	Sendmsg(s int, msg *Msghdr, flags int) (n int, errno int)
+//	Utimes(path string, timeval *Timeval) (errno int)	// Pointer to 2 timevals!
+//sys	fcntl(fd int, cmd int, arg int) (val int, errno int)
+
+
+/*
+ * Exposed directly
+ */
+//sys	Access(path string, flags int) (errno int)
+//sys	Adjtime(delta *Timeval, olddelta *Timeval) (errno int)
+//sys	Chdir(path string) (errno int)
+//sys	Chflags(path string, flags int) (errno int)
+//sys	Chmod(path string, mode int) (errno int)
+//sys	Chown(path string, uid int, gid int) (errno int)
+//sys	Chroot(path string) (errno int)
+//sys	Close(fd int) (errno int)
+//sys	Dup(fd int) (nfd int, errno int)
+//sys	Dup2(from int, to int) (errno int)
+//sys	Exit(code int)
+//sys	Fchdir(fd int) (errno int)
+//sys	Fchflags(path string, flags int) (errno int)
+//sys	Fchmod(fd int, mode int) (errno int)
+//sys	Fchown(fd int, uid int, gid int) (errno int)
+//sys	Flock(fd int, how int) (errno int)
+//sys	Fpathconf(fd int, name int) (val int, errno int)
+//sys	Fstat(fd int, stat *Stat_t) (errno int)
+//sys	Fstatfs(fd int, stat *Statfs_t) (errno int)
+//sys	Fsync(fd int) (errno int)
+//sys	Ftruncate(fd int, length int64) (errno int)
+//sys	Getdirentries(fd int, buf []byte, basep *uintptr) (n int, errno int)
+//sys	Getdtablesize() (size int)
+//sys	Getegid() (egid int)
+//sys	Geteuid() (uid int)
+//sys	Getfsstat(buf []Statfs_t, flags int) (n int, errno int)
+//sys	Getgid() (gid int)
+//sys	Getpgid(pid int) (pgid int, errno int)
+//sys	Getpgrp() (pgrp int)
+//sys	Getpid() (pid int)
+//sys	Getppid() (ppid int)
+//sys	Getpriority(which int, who int) (prio int, errno int)
+//sys	Getrlimit(which int, lim *Rlimit) (errno int)
+//sys	Getrusage(who int, rusage *Rusage) (errno int)
+//sys	Getsid(pid int) (sid int, errno int)
+//sys	Gettimeofday(tv *Timeval) (errno int)
+//sys	Getuid() (uid int)
+//sys	Issetugid() (tainted bool)
+//sys	Kill(pid int, signum int, posix int) (errno int)
+//sys	Kqueue() (fd int, errno int)
+//sys	Lchown(path string, uid int, gid int) (errno int)
+//sys	Link(path string, link string) (errno int)
+//sys	Listen(s int, backlog int) (errno int)
+//sys	Lstat(path string, stat *Stat_t) (errno int)
+//sys	Mkdir(path string, mode int) (errno int)
+//sys	Mkfifo(path string, mode int) (errno int)
+//sys	Mknod(path string, mode int, dev int) (errno int)
+//sys	Open(path string, mode int, perm int) (fd int, errno int)
+//sys	Pathconf(path string, name int) (val int, errno int)
+//sys	Pread(fd int, p []byte, offset int64) (n int, errno int)
+//sys	Pwrite(fd int, p []byte, offset int64) (n int, errno int)
+//sys	Read(fd int, p []byte) (n int, errno int)
+//sys	Readlink(path string, buf []byte) (n int, errno int)
+//sys	Rename(from string, to string) (errno int)
+//sys	Revoke(path string) (errno int)
+//sys	Rmdir(path string) (errno int)
+//sys	Seek(fd int, offset int64, whence int) (newoffset int64, errno int) = SYS_LSEEK
+//sys	Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (errno int)
+//sys	Setegid(egid int) (errno int)
+//sys	Seteuid(euid int) (errno int)
+//sys	Setgid(gid int) (errno int)
+//sys	Setlogin(name string) (errno int)
+//sys	Setpgid(pid int, pgid int) (errno int)
+//sys	Setpriority(which int, who int, prio int) (errno int)
+//sys	Setregid(rgid int, egid int) (errno int)
+//sys	Setreuid(ruid int, euid int) (errno int)
+//sys	Setrlimit(which int, lim *Rlimit) (errno int)
+//sys	Setsid() (pid int, errno int)
+//sys	Settimeofday(tp *Timeval) (errno int)
+//sys	Setuid(uid int) (errno int)
+//sys	Stat(path string, stat *Stat_t) (errno int)
+//sys	Statfs(path string, stat *Statfs_t) (errno int)
+//sys	Symlink(path string, link string) (errno int)
+//sys	Sync() (errno int)
+//sys	Truncate(path string, length int64) (errno int)
+//sys	Umask(newmask int) (errno int)
+//sys	Undelete(path string) (errno int)
+//sys	Unlink(path string) (errno int)
+//sys	Unmount(path string, flags int) (errno int)
+//sys	Write(fd int, p []byte) (n int, errno int)
+//sys	read(fd int, buf *byte, nbuf int) (n int, errno int)
+//sys	write(fd int, buf *byte, nbuf int) (n int, errno int)
+
+
+/*
+ * Unimplemented
+ */
+// Profil
+// Sigaction
+// Sigprocmask
+// Getlogin
+// Sigpending
+// Sigaltstack
+// Ioctl
+// Reboot
+// Execve
+// Vfork
+// Sbrk
+// Sstk
+// Ovadvise
+// Mincore
+// Setitimer
+// Swapon
+// Select
+// Sigsuspend
+// Readv
+// Writev
+// Nfssvc
+// Getfh
+// Quotactl
+// Mount
+// Csops
+// Waitid
+// Add_profil
+// Kdebug_trace
+// Sigreturn
+// Mmap
+// Mlock
+// Munlock
+// Atsocket
+// Kqueue_from_portset_np
+// Kqueue_portset
+// Getattrlist
+// Setattrlist
+// Getdirentriesattr
+// Searchfs
+// Delete
+// Copyfile
+// Poll
+// Watchevent
+// Waitevent
+// Modwatch
+// Getxattr
+// Fgetxattr
+// Setxattr
+// Fsetxattr
+// Removexattr
+// Fremovexattr
+// Listxattr
+// Flistxattr
+// Fsctl
+// Initgroups
+// Posix_spawn
+// Nfsclnt
+// Fhopen
+// Minherit
+// Semsys
+// Msgsys
+// Shmsys
+// Semctl
+// Semget
+// Semop
+// Msgctl
+// Msgget
+// Msgsnd
+// Msgrcv
+// Shmat
+// Shmctl
+// Shmdt
+// Shmget
+// Shm_open
+// Shm_unlink
+// Sem_open
+// Sem_close
+// Sem_unlink
+// Sem_wait
+// Sem_trywait
+// Sem_post
+// Sem_getvalue
+// Sem_init
+// Sem_destroy
+// Open_extended
+// Umask_extended
+// Stat_extended
+// Lstat_extended
+// Fstat_extended
+// Chmod_extended
+// Fchmod_extended
+// Access_extended
+// Settid
+// Gettid
+// Setsgroups
+// Getsgroups
+// Setwgroups
+// Getwgroups
+// Mkfifo_extended
+// Mkdir_extended
+// Identitysvc
+// Shared_region_check_np
+// Shared_region_map_np
+// __pthread_mutex_destroy
+// __pthread_mutex_init
+// __pthread_mutex_lock
+// __pthread_mutex_trylock
+// __pthread_mutex_unlock
+// __pthread_cond_init
+// __pthread_cond_destroy
+// __pthread_cond_broadcast
+// __pthread_cond_signal
+// Setsid_with_pid
+// __pthread_cond_timedwait
+// Aio_fsync
+// Aio_return
+// Aio_suspend
+// Aio_cancel
+// Aio_error
+// Aio_read
+// Aio_write
+// Lio_listio
+// __pthread_cond_wait
+// Iopolicysys
+// Mlockall
+// Munlockall
+// __pthread_kill
+// __pthread_sigmask
+// __sigwait
+// __disable_threadsignal
+// __pthread_markcancel
+// __pthread_canceled
+// __semwait_signal
+// Proc_info
+// Sendfile
+// Stat64_extended
+// Lstat64_extended
+// Fstat64_extended
+// __pthread_chdir
+// __pthread_fchdir
+// Audit
+// Auditon
+// Getauid
+// Setauid
+// Getaudit
+// Setaudit
+// Getaudit_addr
+// Setaudit_addr
+// Auditctl
+// Bsdthread_create
+// Bsdthread_terminate
+// Stack_snapshot
+// Bsdthread_register
+// Workq_open
+// Workq_ops
+// __mac_execve
+// __mac_syscall
+// __mac_get_file
+// __mac_set_file
+// __mac_get_link
+// __mac_set_link
+// __mac_get_proc
+// __mac_set_proc
+// __mac_get_fd
+// __mac_set_fd
+// __mac_get_pid
+// __mac_get_lcid
+// __mac_get_lctx
+// __mac_set_lctx
+// Setlcid
+// Read_nocancel
+// Write_nocancel
+// Open_nocancel
+// Close_nocancel
+// Wait4_nocancel
+// Recvmsg_nocancel
+// Sendmsg_nocancel
+// Recvfrom_nocancel
+// Accept_nocancel
+// Msync_nocancel
+// Fcntl_nocancel
+// Select_nocancel
+// Fsync_nocancel
+// Connect_nocancel
+// Sigsuspend_nocancel
+// Readv_nocancel
+// Writev_nocancel
+// Sendto_nocancel
+// Pread_nocancel
+// Pwrite_nocancel
+// Waitid_nocancel
+// Poll_nocancel
+// Msgsnd_nocancel
+// Msgrcv_nocancel
+// Sem_wait_nocancel
+// Aio_suspend_nocancel
+// __sigwait_nocancel
+// __semwait_signal_nocancel
+// __mac_mount
+// __mac_get_mount
+// __mac_getfsstat