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| author | andrew@tullo.ch <andrew@tullo.ch@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-02-25 15:30:15 +0000 |
|---|---|---|
| committer | andrew@tullo.ch <andrew@tullo.ch@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-02-25 15:30:15 +0000 |
| commit | dc4fa481825071b02d5fe4fde8d6e4f42b3be6f7 (patch) | |
| tree | a297cb1cd563485d979a103c57fbbc43c1604de3 /ipc/ipc_message.cc | |
| parent | ce3a8f4e678b19600a34471e5c18e6302b98babf (diff) | |
| download | chromium_src-dc4fa481825071b02d5fe4fde8d6e4f42b3be6f7.zip chromium_src-dc4fa481825071b02d5fe4fde8d6e4f42b3be6f7.tar.gz chromium_src-dc4fa481825071b02d5fe4fde8d6e4f42b3be6f7.tar.bz2 | |
Use StaticAtomicSequenceNumber instead of subtle::Atomic32 in IPCMessage.
BUG=
Review URL: https://codereview.chromium.org/177123004
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253169 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'ipc/ipc_message.cc')
| -rw-r--r-- | ipc/ipc_message.cc | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/ipc/ipc_message.cc b/ipc/ipc_message.cc index cf3a65e..f7fe827 100644 --- a/ipc/ipc_message.cc +++ b/ipc/ipc_message.cc @@ -4,7 +4,7 @@ #include "ipc/ipc_message.h" -#include "base/atomicops.h" +#include "base/atomic_sequence_num.h" #include "base/logging.h" #include "build/build_config.h" @@ -14,7 +14,7 @@ namespace { -base::subtle::Atomic32 g_ref_num = 0; +base::StaticAtomicSequenceNumber g_ref_num; // Create a reference number for identifying IPC messages in traces. The return // values has the reference number stored in the upper 24 bits, leaving the low @@ -22,7 +22,7 @@ base::subtle::Atomic32 g_ref_num = 0; inline uint32 GetRefNumUpper24() { base::debug::TraceLog* trace_log = base::debug::TraceLog::GetInstance(); int32 pid = trace_log ? trace_log->process_id() : 0; - int32 count = base::subtle::NoBarrier_AtomicIncrement(&g_ref_num, 1); + int32 count = g_ref_num.GetNext(); // The 24 bit hash is composed of 14 bits of the count and 10 bits of the // Process ID. With the current trace event buffer cap, the 14-bit count did // not appear to wrap during a trace. Note that it is not a big deal if |