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runtime: add Goroutines

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R=rsc
CC=golang-dev
https://golang.org/cl/3508041
This commit is contained in:
Keith Rarick 2010-12-07 18:06:31 -05:00 • committed by Russ Cox
parent 63544c4754
commit 51a2183851
2 changed files with 10 additions and 0 deletions
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3
src/pkg/runtime/debug.go
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@ -26,6 +26,9 @@ func GOMAXPROCS(n int) int
// Cgocalls returns the number of cgo calls made by the current process. // Cgocalls returns the number of cgo calls made by the current process.
func Cgocalls() int64 func Cgocalls() int64
// Goroutines returns the number of goroutines that currently exist.
func Goroutines() int32
type MemStatsType struct { type MemStatsType struct {
// General statistics. // General statistics.
// Not locked during update; approximate. // Not locked during update; approximate.

7
src/pkg/runtime/proc.c
View file

@ -1192,3 +1192,10 @@ runtime·mid(uint32 ret)
ret = m->id; ret = m->id;
FLUSH(&ret); FLUSH(&ret);
} }
void
runtime·Goroutines(int32 ret)
{
ret = runtime·sched.gcount;
FLUSH(&ret);
}