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authorCary Coutant <ccoutant@google.com>2011-07-28 23:25:06 +0000
committerCary Coutant <ccoutant@google.com>2011-07-28 23:25:06 +0000
commitdcd8d12e1c020d87f7d3920438cf7327eb886008 (patch)
tree07df900db4681ba52b6ce1365e9f9b70e2afe40f
parenta27e437177412e5b52999723f3c5d5d0d37b9087 (diff)
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* workqueue-internal.h (Workqueue_threader::should_cancel_thread):
Add thread_number parameter. (Workqueue_threader_threadpool::should_cancel_thread): Likewise. * workqueue-threads.cc (Workqueue_threader_threadpool::should_cancel_thread): Cancel current thread if its thread number is greater than desired thread count. * workqueue.cc (Workqueue_threader_single::should_cancel_thread): Add thread_number parameter. (Workqueue::should_cancel_thread): Likewise. (Workqueue::find_runnable_or_wait): Pass thread_number to should_cancel_thread. * workqueue.h (Workqueue::should_cancel_thread): Add thread_number parameter.
-rw-r--r--gold/ChangeLog17
-rw-r--r--gold/workqueue-internal.h4
-rw-r--r--gold/workqueue-threads.cc7
-rw-r--r--gold/workqueue.cc8
-rw-r--r--gold/workqueue.h2
5 files changed, 28 insertions, 10 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog
index c894c71..08fd41f 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,20 @@
+2011-07-28 Cary Coutant <ccoutant@google.com>
+
+ * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
+ Add thread_number parameter.
+ (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
+ * workqueue-threads.cc
+ (Workqueue_threader_threadpool::should_cancel_thread): Cancel
+ current thread if its thread number is greater than desired thread
+ count.
+ * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
+ Add thread_number parameter.
+ (Workqueue::should_cancel_thread): Likewise.
+ (Workqueue::find_runnable_or_wait): Pass thread_number to
+ should_cancel_thread.
+ * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
+ parameter.
+
2011-07-22 Sriraman Tallam <tmsriram@google.com>
* symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
diff --git a/gold/workqueue-internal.h b/gold/workqueue-internal.h
index 684c65b..764dc91 100644
--- a/gold/workqueue-internal.h
+++ b/gold/workqueue-internal.h
@@ -56,7 +56,7 @@ class Workqueue_threader
// Return whether to cancel the current thread.
virtual bool
- should_cancel_thread() = 0;
+ should_cancel_thread(int thread_number) = 0;
protected:
// Get the Workqueue.
@@ -84,7 +84,7 @@ class Workqueue_threader_threadpool : public Workqueue_threader
// Return whether to cancel a thread.
bool
- should_cancel_thread();
+ should_cancel_thread(int thread_number);
// Process all tasks. This keeps running until told to cancel.
void
diff --git a/gold/workqueue-threads.cc b/gold/workqueue-threads.cc
index 60d4adc..de2ce5b 100644
--- a/gold/workqueue-threads.cc
+++ b/gold/workqueue-threads.cc
@@ -174,7 +174,7 @@ Workqueue_threader_threadpool::set_thread_count(int thread_count)
// Return whether the current thread should be cancelled.
bool
-Workqueue_threader_threadpool::should_cancel_thread()
+Workqueue_threader_threadpool::should_cancel_thread(int thread_number)
{
// Fast exit without taking a lock.
if (!this->check_thread_count_)
@@ -182,12 +182,13 @@ Workqueue_threader_threadpool::should_cancel_thread()
{
Hold_lock hl(this->lock_);
- if (this->threads_ > this->desired_thread_count_)
+ if (thread_number > this->desired_thread_count_)
{
--this->threads_;
+ if (this->threads_ <= this->desired_thread_count_)
+ this->check_thread_count_ = 0;
return true;
}
- this->check_thread_count_ = 0;
}
return false;
diff --git a/gold/workqueue.cc b/gold/workqueue.cc
index 6449bba..e78e86b 100644
--- a/gold/workqueue.cc
+++ b/gold/workqueue.cc
@@ -110,7 +110,7 @@ class Workqueue_threader_single : public Workqueue_threader
{ gold_assert(thread_count > 0); }
bool
- should_cancel_thread()
+ should_cancel_thread(int)
{ return false; }
};
@@ -202,9 +202,9 @@ Workqueue::queue_next(Task* t)
// Return whether to cancel the current thread.
inline bool
-Workqueue::should_cancel_thread()
+Workqueue::should_cancel_thread(int thread_number)
{
- return this->threader_->should_cancel_thread();
+ return this->threader_->should_cancel_thread(thread_number);
}
// Find a runnable task in TASKS. Return NULL if none could be found.
@@ -264,7 +264,7 @@ Workqueue::find_runnable_or_wait(int thread_number)
return NULL;
}
- if (this->should_cancel_thread())
+ if (this->should_cancel_thread(thread_number))
return NULL;
gold_debug(DEBUG_TASK, "%3d sleeping", thread_number);
diff --git a/gold/workqueue.h b/gold/workqueue.h
index 9121e10..424b5e7 100644
--- a/gold/workqueue.h
+++ b/gold/workqueue.h
@@ -268,7 +268,7 @@ class Workqueue
// Return whether to cancel this thread.
bool
- should_cancel_thread();
+ should_cancel_thread(int thread_number);
// Master Workqueue lock. This controls access to the following
// member variables.