mdebray/tvl-depot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

supppress unused variable warning for gcc (#372)

Browse source 
gcc complains with: 
```
'stacktraces_enabler' defined but not used [-Wunused-variable] 
static int stacktraces_enabler = []() { 
```
This commit is contained in:
Martin 2019-08-23 20:45:07 +02:00 committed by Xiaoyi Zhang
parent 262d74ba81
commit 0302d1e5fa
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
absl/debugging/internal/stacktrace_generic-inl.inc
View file

@ -16,6 +16,7 @@
#include <cstring> #include <cstring>
#include "absl/debugging/stacktrace.h" #include "absl/debugging/stacktrace.h"
#include "absl/base/attributes.h"
// Sometimes, we can try to get a stack trace from within a stack // Sometimes, we can try to get a stack trace from within a stack
// trace, because we don't block signals inside this code (which would be too // trace, because we don't block signals inside this code (which would be too
@ -35,7 +36,7 @@ static __thread int recursive = 0;
static std::atomic<bool> disable_stacktraces(true); // Disabled until healthy. static std::atomic<bool> disable_stacktraces(true); // Disabled until healthy.
// Waiting until static initializers run seems to be late enough. // Waiting until static initializers run seems to be late enough.
// This file is included into stacktrace.cc so this will only run once. // This file is included into stacktrace.cc so this will only run once.
static int stacktraces_enabler = []() { ABSL_ATTRIBUTE_UNUSED static int stacktraces_enabler = []() {
void* unused_stack[1]; void* unused_stack[1];
// Force the first backtrace to happen early to get the one-time shared lib // Force the first backtrace to happen early to get the one-time shared lib
// loading (allocation) out of the way. After the first call it is much safer // loading (allocation) out of the way. After the first call it is much safer