mirror of
https://github.com/mozilla/gecko-dev.git
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2824b29025
This patch was mostly generated by running the following scripts on the codebase, with some
manual changes made afterwards:
# static_assert.sh
#!/bin/bash
# Command to convert an NSPR integer type to the equivalent standard integer type
function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
! -wholename "*security/nss*" \
! -wholename "*/.hg*" \
! -wholename "obj-ff-dbg*" \
! -name nsXPCOMCID.h \
! -name prtypes.h \
-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.cc" \
-o -iname "*.mm" \) | \
xargs -n 1 `dirname $0`/assert_replacer.py #sed -i -e "s/\b$1\b/$2/g"
}
convert MOZ_STATIC_ASSERT static_assert
hg rev --no-backup mfbt/Assertions.h \
media/webrtc/signaling/src/sipcc/core/includes/ccapi.h \
modules/libmar/src/mar_private.h \
modules/libmar/src/mar.h
# assert_replacer.py
#!/usr/bin/python
import sys
import re
pattern = re.compile(r"\bMOZ_STATIC_ASSERT\b")
def replaceInPlace(fname):
print fname
f = open(fname, "rw+")
lines = f.readlines()
for i in range(0, len(lines)):
while True:
index = re.search(pattern, lines[i])
if index != None:
index = index.start()
lines[i] = lines[i][0:index] + "static_assert" + lines[i][index+len("MOZ_STATIC_ASSERT"):]
for j in range(i + 1, len(lines)):
if lines[j].find(" ", index) == index:
lines[j] = lines[j][0:index] + lines[j][index+4:]
else:
break
else:
break
f.seek(0, 0)
f.truncate()
f.write("".join(lines))
f.close()
argc = len(sys.argv)
for i in range(1, argc):
replaceInPlace(sys.argv[i])
--HG--
extra : rebase_source : 4b4a4047d82f2c205b9fad8d56dfc3f1afc0b045
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsMemoryPressure.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/Atomics.h"
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#include "nsThreadUtils.h"
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using namespace mozilla;
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static Atomic<int32_t, Relaxed> sMemoryPressurePending;
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static_assert(MemPressure_None == 0,
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"Bad static initialization with the default constructor.");
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MemoryPressureState
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NS_GetPendingMemoryPressure()
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{
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int32_t value = sMemoryPressurePending.exchange(MemPressure_None);
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return MemoryPressureState(value);
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}
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void
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NS_DispatchEventualMemoryPressure(MemoryPressureState state)
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{
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/*
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* A new memory pressure event erases an ongoing memory pressure, but an
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* existing "new" memory pressure event takes precedence over a new "ongoing"
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* memory pressure event.
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*/
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switch (state) {
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case MemPressure_None:
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sMemoryPressurePending = MemPressure_None;
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break;
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case MemPressure_New:
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sMemoryPressurePending = MemPressure_New;
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break;
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case MemPressure_Ongoing:
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sMemoryPressurePending.compareExchange(MemPressure_None, MemPressure_Ongoing);
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break;
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}
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}
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nsresult
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NS_DispatchMemoryPressure(MemoryPressureState state)
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{
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NS_DispatchEventualMemoryPressure(state);
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nsCOMPtr<nsIRunnable> event = new nsRunnable;
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NS_ENSURE_TRUE(event, NS_ERROR_OUT_OF_MEMORY);
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return NS_DispatchToMainThread(event);
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}
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