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runtime: detect failed thread creation on Windows

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Fixes #1495.

R=rsc
CC=golang-dev
https://golang.org/cl/4182047
This commit is contained in:
Alex Brainman 2011-02-15 09:42:25 +11:00
parent 29ae8e9a98
commit ff7d7b271f
1 changed files with 7 additions and 1 deletions
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8
src/pkg/runtime/windows/thread.c
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@ -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).