diff options
Diffstat (limited to 'src/pkg/runtime/sigqueue.goc')
| -rw-r--r-- | src/pkg/runtime/sigqueue.goc | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/pkg/runtime/sigqueue.goc b/src/pkg/runtime/sigqueue.goc index 7e083685d..e08bf98aa 100644 --- a/src/pkg/runtime/sigqueue.goc +++ b/src/pkg/runtime/sigqueue.goc @@ -28,6 +28,8 @@ package runtime #include "runtime.h" #include "defs_GOOS_GOARCH.h" #include "os_GOOS.h" +#include "cgocall.h" +#include "../../cmd/ld/textflag.h" static struct { Note; @@ -105,9 +107,7 @@ func signal_recv() (m uint32) { new = HASWAITER; if(runtime·cas(&sig.state, old, new)) { if (new == HASWAITER) { - runtime·entersyscallblock(); - runtime·notesleep(&sig); - runtime·exitsyscall(); + runtime·notetsleepg(&sig, -1); runtime·noteclear(&sig); } break; @@ -155,3 +155,11 @@ func signal_disable(s uint32) { sig.wanted[s/32] &= ~(1U<<(s&31)); runtime·sigdisable(s); } + +// This runs on a foreign stack, without an m or a g. No stack split. +#pragma textflag NOSPLIT +void +runtime·badsignal(uintptr sig) +{ + runtime·cgocallback((void (*)(void))runtime·sigsend, &sig, sizeof(sig)); +} |