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| author | Alex Brainman <alex.brainman@gmail.com> | 2011-02-15 09:42:25 +1100 |
|---|---|---|
| committer | Alex Brainman <alex.brainman@gmail.com> | 2011-02-15 09:42:25 +1100 |
| commit | ff7d7b271f8e53838aa7f0c0e69c782b599547ad (patch) | |
| tree | df5663da04d9e046428960750a86377886b8f828 | |
| parent | 29ae8e9a986f9597c922ceae8266b49bf47dc2b7 (diff) | |
| download | go-ff7d7b271f8e53838aa7f0c0e69c782b599547ad.tar.gz go-ff7d7b271f8e53838aa7f0c0e69c782b599547ad.zip | |
runtime: detect failed thread creation on Windows
Fixes #1495.
R=rsc
CC=golang-dev
https://golang.org/cl/4182047
| -rw-r--r-- | src/pkg/runtime/windows/thread.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/pkg/runtime/windows/thread.c b/src/pkg/runtime/windows/thread.c index 525fd09801..aedd24200a 100644 --- a/src/pkg/runtime/windows/thread.c +++ b/src/pkg/runtime/windows/thread.c @@ -184,11 +184,17 @@ runtime·notesleep(Note *n) void runtime·newosproc(M *m, G *g, void *stk, void (*fn)(void)) { + void *thandle; + USED(stk); USED(g); // assuming g = m->g0 USED(fn); // assuming fn = mstart - runtime·stdcall(runtime·CreateThread, 6, 0, 0, runtime·tstart_stdcall, m, 0, 0); + thandle = runtime·stdcall(runtime·CreateThread, 6, 0, 0, runtime·tstart_stdcall, m, 0, 0); + if(thandle == 0) { + runtime·printf("runtime: failed to create new OS thread (have %d already; errno=%d)\n", runtime·mcount(), runtime·getlasterror()); + runtime·throw("runtime.newosproc"); + } } // Called to initialize a new m (including the bootstrap m). |