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| author | Russ Cox <rsc@golang.org> | 2013-08-15 22:34:06 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2013-08-15 22:34:06 -0400 |
| commit | 757e0de89f80e89626cc8b7d6e670c0e5ea7f192 (patch) | |
| tree | 42b7768f368edc26299146007ebf0777618fa677 /src/pkg/runtime/runtime.h | |
| parent | 205329aaf2ec9aff13c4052f6dfa552e65760ea9 (diff) | |
| download | go-757e0de89f80e89626cc8b7d6e670c0e5ea7f192.tar.xz | |
runtime: impose stack size limit
The goal is to stop only those programs that would keep
going and run the machine out of memory, but before they do that.
1 GB on 64-bit, 250 MB on 32-bit.
That seems implausibly large, and it can be adjusted.
Fixes #2556.
Fixes #4494.
Fixes #5173.
R=khr, r, dvyukov
CC=golang-dev
https://golang.org/cl/12541052
Diffstat (limited to 'src/pkg/runtime/runtime.h')
| -rw-r--r-- | src/pkg/runtime/runtime.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/pkg/runtime/runtime.h b/src/pkg/runtime/runtime.h index b80e2ad41a..b87e64dfa1 100644 --- a/src/pkg/runtime/runtime.h +++ b/src/pkg/runtime/runtime.h @@ -259,6 +259,7 @@ struct G uintptr syscallguard; // if status==Gsyscall, syscallguard = stackguard to use during gc uintptr stackguard; // same as stackguard0, but not set to StackPreempt uintptr stack0; + uintptr stacksize; G* alllink; // on allg void* param; // passed parameter on wakeup int16 status; @@ -713,6 +714,7 @@ extern uint32 runtime·Hchansize; extern uint32 runtime·cpuid_ecx; extern uint32 runtime·cpuid_edx; extern DebugVars runtime·debug; +extern uintptr runtime·maxstacksize; /* * common functions and data |