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Bug 1390945 - Make GCOV signal handlers work in --disable-debug mode. r=froydnj

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MozReview-Commit-ID: Lm8IhokH3ns
This commit is contained in:
Christian Holler
2017-08-16 20:39:26 +02:00
parent 42650460ad
commit 9fc0d3c5ee
1 changed files with 5 additions and 2 deletions
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7
tools/code-coverage/CodeCoverageHandler.cpp
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@@ -8,6 +8,7 @@
#include <unistd.h>
#include "mozilla/CodeCoverageHandler.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/DebugOnly.h"
#include "nsAppRunner.h"
using namespace mozilla;
@@ -50,13 +51,15 @@ void CodeCoverageHandler::SetSignalHandlers()
dump_sa.sa_handler = CodeCoverageHandler::DumpCounters;
dump_sa.sa_flags = SA_RESTART;
sigemptyset(&dump_sa.sa_mask);
MOZ_ASSERT(sigaction(SIGUSR1, &dump_sa, nullptr) == 0);
DebugOnly<int> r1 = sigaction(SIGUSR1, &dump_sa, nullptr);
MOZ_ASSERT(r1 == 0, "Failed to install GCOV SIGUSR1 handler");
struct sigaction reset_sa;
reset_sa.sa_handler = CodeCoverageHandler::ResetCounters;
reset_sa.sa_flags = SA_RESTART;
sigemptyset(&reset_sa.sa_mask);
MOZ_ASSERT(sigaction(SIGUSR2, &reset_sa, nullptr) == 0);
DebugOnly<int> r2 = sigaction(SIGUSR2, &reset_sa, nullptr);
MOZ_ASSERT(r2 == 0, "Failed to install GCOV SIGUSR2 handler");
}
CodeCoverageHandler::CodeCoverageHandler()