| // 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. |
| |
| // This file implements runtime support for signal handling. |
| |
| package runtime |
| |
| func signal_recv() (m uint32) { |
| for { |
| mp := acquirem() |
| onM(&signal_recv_m) |
| ok := mp.scalararg[0] != 0 |
| m = uint32(mp.scalararg[1]) |
| releasem(mp) |
| if ok { |
| return |
| } |
| gonotetsleepg(&signote, -1) |
| gonoteclear(&signote) |
| } |
| } |
| |
| func signal_enable(s uint32) { |
| mp := acquirem() |
| mp.scalararg[0] = uint(s) |
| onM(&signal_enable_m) |
| releasem(mp) |
| } |
| |
| func signal_disable(s uint32) { |
| mp := acquirem() |
| mp.scalararg[0] = uint(s) |
| onM(&signal_disable_m) |
| releasem(mp) |
| } |
| |
| var ( |
| signal_recv_m, |
| signal_enable_m, |
| signal_disable_m mFunction |
| ) |
