diff options
| author | Dmitriy Vyukov <dvyukov@google.com> | 2014-03-14 21:22:03 +0400 |
|---|---|---|
| committer | Dmitriy Vyukov <dvyukov@google.com> | 2014-03-14 21:22:03 +0400 |
| commit | d8e6881166e280cc44056f1a6c9747a103dca340 (patch) | |
| tree | 73e5de7f6f3ab87b31fc45efead2ef6e2c9639af /src/pkg/runtime/stack.c | |
| parent | 0da73b9f073b2b1e9b78b3a6f6bc077101a05658 (diff) | |
| download | go-d8e6881166e280cc44056f1a6c9747a103dca340.tar.xz | |
runtime: report "out of memory" in efence mode
Currently processes crash with obscure message.
Say that it's "out of memory".
LGTM=rsc
R=golang-codereviews
CC=golang-codereviews, khr, rsc
https://golang.org/cl/75820045
Diffstat (limited to 'src/pkg/runtime/stack.c')
| -rw-r--r-- | src/pkg/runtime/stack.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/pkg/runtime/stack.c b/src/pkg/runtime/stack.c index 81005de5d7..c0b98634d7 100644 --- a/src/pkg/runtime/stack.c +++ b/src/pkg/runtime/stack.c @@ -102,8 +102,12 @@ runtime·stackalloc(G *gp, uint32 n) runtime·printf("stackalloc %d\n", n); gp->stacksize += n; - if(runtime·debug.efence || StackFromSystem) - return runtime·SysAlloc(ROUND(n, PageSize), &mstats.stacks_sys); + if(runtime·debug.efence || StackFromSystem) { + v = runtime·SysAlloc(ROUND(n, PageSize), &mstats.stacks_sys); + if(v == nil) + runtime·throw("out of memory (stackalloc)"); + return v; + } // Minimum-sized stacks are allocated with a fixed-size free-list allocator, // but if we need a stack of a bigger size, we fall back on malloc |