diff --git a/src/pkg/syscall/syscall_darwin.go b/src/pkg/syscall/syscall_darwin.go
index 20f9fa24e4..1946ecd78c 100644
--- a/src/pkg/syscall/syscall_darwin.go
+++ b/src/pkg/syscall/syscall_darwin.go
@@ -454,6 +454,10 @@ func SysctlUint32(name string) (value uint32, errno int) {
 	return *(*uint32)(unsafe.Pointer(&buf[0])), 0
 }
 
+//sys	kill(pid int, signum int, posix int) (errno int)
+
+func Kill(pid int, signum int) (errno int) { return kill(pid, signum, 1) }
+
 // TODO: wrap
 //	Acct(name nil-string) (errno int)
 //	Futimes(fd int, timeval *Timeval) (errno int)	// Pointer to 2 timevals!
@@ -511,7 +515,6 @@ func SysctlUint32(name string) (value uint32, errno int) {
 //sys	Getsid(pid int) (sid int, 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)
diff --git a/src/pkg/syscall/syscall_freebsd.go b/src/pkg/syscall/syscall_freebsd.go
index 4a187dd89d..c2528a520d 100644
--- a/src/pkg/syscall/syscall_freebsd.go
+++ b/src/pkg/syscall/syscall_freebsd.go
@@ -454,6 +454,10 @@ func SysctlUint32(name string) (value uint32, errno int) {
 	return *(*uint32)(unsafe.Pointer(&buf[0])), 0
 }
 
+//sys	kill(pid int, signum int, posix int) (errno int)
+
+func Kill(pid int, signum int) (errno int) { return kill(pid, signum, 1) }
+
 // TODO: wrap
 //	Acct(name nil-string) (errno int)
 //	Futimes(fd int, timeval *Timeval) (errno int)	// Pointer to 2 timevals!
@@ -511,7 +515,6 @@ func SysctlUint32(name string) (value uint32, 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)
diff --git a/src/pkg/syscall/zsyscall_darwin_386.go b/src/pkg/syscall/zsyscall_darwin_386.go
index 303919ce45..6442f078b3 100644
--- a/src/pkg/syscall/zsyscall_darwin_386.go
+++ b/src/pkg/syscall/zsyscall_darwin_386.go
@@ -370,7 +370,7 @@ func Issetugid() (tainted bool) {
 	return
 }
 
-func Kill(pid int, signum int, posix int) (errno int) {
+func kill(pid int, signum int, posix int) (errno int) {
 	_, _, e1 := Syscall(SYS_KILL, uintptr(pid), uintptr(signum), uintptr(posix))
 	errno = int(e1)
 	return
diff --git a/src/pkg/syscall/zsyscall_darwin_amd64.go b/src/pkg/syscall/zsyscall_darwin_amd64.go
index 6e25cf3813..5f4f9ee1d2 100644
--- a/src/pkg/syscall/zsyscall_darwin_amd64.go
+++ b/src/pkg/syscall/zsyscall_darwin_amd64.go
@@ -370,7 +370,7 @@ func Issetugid() (tainted bool) {
 	return
 }
 
-func Kill(pid int, signum int, posix int) (errno int) {
+func kill(pid int, signum int, posix int) (errno int) {
 	_, _, e1 := Syscall(SYS_KILL, uintptr(pid), uintptr(signum), uintptr(posix))
 	errno = int(e1)
 	return
diff --git a/src/pkg/syscall/zsyscall_freebsd_386.go b/src/pkg/syscall/zsyscall_freebsd_386.go
index 8216dc7600..f493738290 100644
--- a/src/pkg/syscall/zsyscall_freebsd_386.go
+++ b/src/pkg/syscall/zsyscall_freebsd_386.go
@@ -370,7 +370,7 @@ func Issetugid() (tainted bool) {
 	return
 }
 
-func Kill(pid int, signum int, posix int) (errno int) {
+func kill(pid int, signum int, posix int) (errno int) {
 	_, _, e1 := Syscall(SYS_KILL, uintptr(pid), uintptr(signum), uintptr(posix))
 	errno = int(e1)
 	return
diff --git a/src/pkg/syscall/zsyscall_freebsd_amd64.go b/src/pkg/syscall/zsyscall_freebsd_amd64.go
index ccae89b3bc..b85ef8223b 100644
--- a/src/pkg/syscall/zsyscall_freebsd_amd64.go
+++ b/src/pkg/syscall/zsyscall_freebsd_amd64.go
@@ -370,7 +370,7 @@ func Issetugid() (tainted bool) {
 	return
 }
 
-func Kill(pid int, signum int, posix int) (errno int) {
+func kill(pid int, signum int, posix int) (errno int) {
 	_, _, e1 := Syscall(SYS_KILL, uintptr(pid), uintptr(signum), uintptr(posix))
 	errno = int(e1)
 	return