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From: Dan Minor <dminor@mozilla.com>
Date: Mon,
5 Nov
2018 10:
33:
00 -
0500
Subject: Bug
1376873 - Reduce thread stack size in platform_thread.cc; r=bwc
Summary:
The current default stack size of
1M results in intermittent OOMs on win32
builds while running web-platform tests. The value of
256k was chosen for
consistency with the default value used elsewhere in Gecko, which is defined in
nsIThreadManager.idl.
Reviewers: bwc
Tags: #secure-revision
Bug #:
1376873
Differential Revision:
https://phabricator.services.mozilla.com/D11090
Mercurial Revision:
https://hg.mozilla.org/mozilla-central/rev/e83c311e5293902be4db4ecea17cff87c633f7cf
---
rtc_base/platform_thread.cc |
6 ++++--
1 file changed,
4 insertions(+),
2 deletions(-)
diff --git a/rtc_base/platform_thread.cc b/rtc_base/platform_thread.cc
index
6af1f3f616..f75ce8c3dc
100644
--- a/rtc_base/platform_thread.cc
+++ b/rtc_base/platform_thread.cc
@@ -
191,
15 +
191,
17 @@ PlatformThread PlatformThread::SpawnThread(
// Set the reserved stack stack size to
1M, which is the default on Windows
// and Linux.
DWORD thread_id =
0;
+ // Mozilla: Set to
256kb for consistency with nsIThreadManager.idl
PlatformThread::Handle handle = ::CreateThread(
- nullptr,
1024 *
1024, &RunPlatformThread, start_thread_function_ptr,
+ nullptr,
256 *
1024, &RunPlatformThread, start_thread_function_ptr,
STACK_SIZE_PARAM_IS_A_RESERVATION, &thread_id);
RTC_CHECK(handle) << "CreateThread failed";
#else
pthread_attr_t attr;
pthread_attr_init(&attr);
// Set the stack stack size to
1M.
- pthread_attr_setstacksize(&attr,
1024 *
1024);
+ // Mozilla: Set to
256kb for consistency with nsIThreadManager.idl
+ pthread_attr_setstacksize(&attr,
256 *
1024);
pthread_attr_setdetachstate(
&attr, joinable ? PTHREAD_CREATE_JOINABLE : PTHREAD_CREATE_DETACHED);
PlatformThread::Handle handle;