all: use one 'l' when cancelling everywhere except Solaris

Fixes #11626.

Change-Id: I1b70c0844473c3b57a53d7cca747ea5cdc68d232
Reviewed-on: https://go-review.googlesource.com/14526
Run-TryBot: Rob Pike <r@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

misc/cgo/test/issue6997_linux.go

@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Test that pthread_cancel works as expected
-// (NPTL uses SIGRTMIN to implement thread cancellation)
+// (NPTL uses SIGRTMIN to implement thread cancelation)
 // See https://golang.org/issue/6997
 package cgotest
 
@@ -32,7 +32,7 @@ func test6997(t *testing.T) {
 	select {
 	case r = <-c:
 		if r == 0 {
-			t.Error("pthread finished but wasn't cancelled??")
+			t.Error("pthread finished but wasn't canceled??")
 		}
 	case <-time.After(30 * time.Second):
 		t.Error("hung in pthread_cancel/pthread_join")

src/cmd/compile/internal/big/float.go

@@ -1272,7 +1272,7 @@ func (z *Float) usub(x, y *Float) {
 		ex = ey
 	}
 
-	// operands may have cancelled each other out
+	// operands may have canceled each other out
 	if len(z.mant) == 0 {
 		z.acc = Exact
 		z.form = zero

src/math/big/float.go

@@ -1272,7 +1272,7 @@ func (z *Float) usub(x, y *Float) {
 		ex = ey
 	}
 
-	// operands may have cancelled each other out
+	// operands may have canceled each other out
 	if len(z.mant) == 0 {
 		z.acc = Exact
 		z.form = zero

src/math/cmplx/sqrt.go

@@ -40,7 +40,7 @@ import "math"
 //                       1/2
 // Im w  =  [ (r - x)/2 ]   .
 //
-// Cancellation error in r-x or r+x is avoided by using the
+// Cancelation error in r-x or r+x is avoided by using the
 // identity  2 Re w Im w  =  y.
 //
 // Note that -w is also a square root of z.  The root chosen

src/math/j0.go

@@ -38,7 +38,7 @@ package math
 //                      = 1/sqrt(2) * (cos(x) + sin(x))
 //              sin(x0) = sin(x)cos(pi/4)-cos(x)sin(pi/4)
 //                      = 1/sqrt(2) * (sin(x) - cos(x))
-//         (To avoid cancellation, use
+//         (To avoid cancelation, use
 //              sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
 //         to compute the worse one.)
 //
@@ -188,7 +188,7 @@ func Y0(x float64) float64 {
 		//             =  1/sqrt(2) * (sin(x) + cos(x))
 		//     sin(x0) = sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
 		//             =  1/sqrt(2) * (sin(x) - cos(x))
-		// To avoid cancellation, use
+		// To avoid cancelation, use
 		//     sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
 		// to compute the worse one.
 

src/math/j1.go

@@ -39,7 +39,7 @@ package math
 //                      =  1/sqrt(2) * (sin(x) - cos(x))
 //              sin(x1) =  sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
 //                      = -1/sqrt(2) * (sin(x) + cos(x))
-//         (To avoid cancellation, use
+//         (To avoid cancelation, use
 //              sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
 //         to compute the worse one.)
 //
@@ -197,7 +197,7 @@ func Y1(x float64) float64 {
 		//                 =  1/sqrt(2) * (sin(x) - cos(x))
 		//         sin(x0) = sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
 		//                 = -1/sqrt(2) * (cos(x) + sin(x))
-		// To avoid cancellation, use
+		// To avoid cancelation, use
 		//     sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
 		// to compute the worse one.
 

src/net/fd_windows.go

@@ -208,7 +208,7 @@ func (s *ioSrv) ExecIO(o *operation, name string, submit func(o *operation) erro
 		s.req <- ioSrvReq{o, nil}
 		<-o.errc
 	}
-	// Wait for cancellation to complete.
+	// Wait for cancelation to complete.
 	fd.pd.WaitCanceled(int(o.mode))
 	if o.errno != 0 {
 		err = syscall.Errno(o.errno)
@@ -217,8 +217,8 @@ func (s *ioSrv) ExecIO(o *operation, name string, submit func(o *operation) erro
 		}
 		return 0, err
 	}
-	// We issued cancellation request. But, it seems, IO operation succeeded
-	// before cancellation request run. We need to treat IO operation as
+	// We issued a cancelation request. But, it seems, IO operation succeeded
+	// before the cancelation request run. We need to treat the IO operation as
 	// succeeded (the bytes are actually sent/recv from network).
 	return int(o.qty), nil
 }

src/net/http/httputil/reverseproxy_test.go

@@ -225,7 +225,7 @@ func TestReverseProxyFlushInterval(t *testing.T) {
 	}
 }
 
-func TestReverseProxyCancellation(t *testing.T) {
+func TestReverseProxyCancelation(t *testing.T) {
 	if runtime.GOOS == "plan9" {
 		t.Skip("skipping test; see https://golang.org/issue/9554")
 	}

src/runtime/signal_solaris.go

@@ -46,7 +46,7 @@ var sigtable = [...]sigTabT{
 	/* 33 */ {_SigNotify, "SIGLWP: reserved signal no longer used by"},
 	/* 34 */ {_SigNotify, "SIGFREEZE: special signal used by CPR"},
 	/* 35 */ {_SigNotify, "SIGTHAW: special signal used by CPR"},
-	/* 36 */ {0, "SIGCANCEL: reserved signal for thread cancellation"},
+	/* 36 */ {0, "SIGCANCEL: reserved signal for thread cancellation"}, // Oracle's spelling of cancelation.
 	/* 37 */ {_SigNotify, "SIGLOST: resource lost (eg, record-lock lost)"},
 	/* 38 */ {_SigNotify, "SIGXRES: resource control exceeded"},
 	/* 39 */ {_SigNotify, "SIGJVM1: reserved signal for Java Virtual Machine"},