Reviewers: Michail Naganov,
Description:
Profiler on linux: use SA_RESTART signal flag to have most of the syscalls
restarted for us.
This change keeps the interactive shell alive.
Please review this at http://codereview.chromium.org/4197002/show
Affected files:
M src/platform-linux.cc
Index: src/platform-linux.cc
diff --git a/src/platform-linux.cc b/src/platform-linux.cc
index
eefaec9042b8741da4f9ed81d05e399e41bb6fd0..c0eb21395feef7ae433456798f057c25db9b4af8
100644
--- a/src/platform-linux.cc
+++ b/src/platform-linux.cc
@@ -856,7 +856,7 @@ void Sampler::Start() {
struct sigaction sa;
sa.sa_sigaction = ProfilerSignalHandler;
sigemptyset(&sa.sa_mask);
- sa.sa_flags = SA_SIGINFO;
+ sa.sa_flags = SA_RESTART | SA_SIGINFO;
if (sigaction(SIGPROF, &sa, &data_->old_signal_handler_) != 0) return;
data_->signal_handler_installed_ = true;
--
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