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runtime: fix docs for Caller and Callers

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The previous attempt to explain this got it backwards (all the more reason to be
sad we couldn't make the two functions behave the same).

Fixes #3669.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6249051
This commit is contained in:
Rob Pike 2012-05-24 14:15:43 -07:00
parent 2b98401a83
commit 11c1b1f96b
1 changed files with 3 additions and 2 deletions
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5
src/pkg/runtime/extern.go
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@ -20,7 +20,7 @@ func Goexit()
// Caller reports file and line number information about function invocations on
// the calling goroutine's stack. The argument skip is the number of stack frames
// to ascend, with 1 identifying the caller of Caller. (For historical reasons the
// to ascend, with 0 identifying the caller of Caller. (For historical reasons the
// meaning of skip differs between Caller and Callers.) The return values report the
// program counter, file name, and line number within the file of the corresponding
// call. The boolean ok is false if it was not possible to recover the information.
@ -28,7 +28,8 @@ func Caller(skip int) (pc uintptr, file string, line int, ok bool)
// Callers fills the slice pc with the program counters of function invocations
// on the calling goroutine's stack. The argument skip is the number of stack frames
// to skip before recording in pc, with 0 starting at the caller of Callers.
// to skip before recording in pc, with 0 identifying the frame for Callers itself and
// 1 identifying the caller of Callers.
// It returns the number of entries written to pc.
func Callers(skip int, pc []uintptr) int