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authorDan Gudmundsson <[email protected]>2018-12-06 21:50:46 +0100
committerDan Gudmundsson <[email protected]>2018-12-06 21:50:46 +0100
commit1ec09d6d239194689a95a0f0111d751d9a57e407 (patch)
tree29a3bbea95f446feece021bca920b377904acef6 /lib/wx
parent73e4f5f21bbf492ab61c01dee48fa09fd7309a50 (diff)
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Don't try to wake up wx thread when not necessary
That kills performance on at least windows when a the load goes up and a lot of commands is sent to the driver.
Diffstat (limited to 'lib/wx')
-rw-r--r--lib/wx/c_src/wxe_helpers.cpp3
-rw-r--r--lib/wx/c_src/wxe_helpers.h2
-rw-r--r--lib/wx/c_src/wxe_impl.cpp4
3 files changed, 5 insertions, 4 deletions
diff --git a/lib/wx/c_src/wxe_helpers.cpp b/lib/wx/c_src/wxe_helpers.cpp
index d1f607d2af..47955494f9 100644
--- a/lib/wx/c_src/wxe_helpers.cpp
+++ b/lib/wx/c_src/wxe_helpers.cpp
@@ -101,7 +101,7 @@ wxeCommand * wxeFifo::Peek(unsigned int *i)
}
-void wxeFifo::Add(int fc, char * cbuf,int buflen, wxe_data *sd)
+int wxeFifo::Add(int fc, char * cbuf,int buflen, wxe_data *sd)
{
unsigned int pos;
wxeCommand *curr;
@@ -144,6 +144,7 @@ void wxeFifo::Add(int fc, char * cbuf,int buflen, wxe_data *sd)
} else { // No-op only PING currently
curr->buffer = NULL;
}
+ return m_n;
}
void wxeFifo::Append(wxeCommand *orig)
diff --git a/lib/wx/c_src/wxe_helpers.h b/lib/wx/c_src/wxe_helpers.h
index 70ffccdc13..a6c00e5aca 100644
--- a/lib/wx/c_src/wxe_helpers.h
+++ b/lib/wx/c_src/wxe_helpers.h
@@ -63,7 +63,7 @@ class wxeFifo {
wxeFifo(unsigned int size);
virtual ~wxeFifo();
- void Add(int fc, char * cbuf,int buflen, wxe_data *);
+ int Add(int fc, char * cbuf,int buflen, wxe_data *);
void Append(wxeCommand *Other);
wxeCommand * Get();
diff --git a/lib/wx/c_src/wxe_impl.cpp b/lib/wx/c_src/wxe_impl.cpp
index f856099ffa..bd22502d00 100644
--- a/lib/wx/c_src/wxe_impl.cpp
+++ b/lib/wx/c_src/wxe_impl.cpp
@@ -70,7 +70,7 @@ void push_command(int op,char * buf,int len, wxe_data *sd)
/* fprintf(stderr, "Op %d %d [%ld] %d\r\n", op, (int) driver_caller(sd->port_handle),
wxe_batch->size(), wxe_batch_caller),fflush(stderr); */
erl_drv_mutex_lock(wxe_batch_locker_m);
- wxe_queue->Add(op, buf, len, sd);
+ int n = wxe_queue->Add(op, buf, len, sd);
if(wxe_needs_signal) {
// wx-thread is waiting on batch end in cond_wait
@@ -79,7 +79,7 @@ void push_command(int op,char * buf,int len, wxe_data *sd)
} else {
// wx-thread is waiting gui-events
erl_drv_mutex_unlock(wxe_batch_locker_m);
- wxWakeUpIdle();
+ if(n < 2) wxWakeUpIdle();
}
}