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"Sampo's Delight" - add "do not show this window again" to memory warning; check physical RAM on linux and only warn if limit is less than 75% of total RAM; do nothing on OSX since there is no mlockall there

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git-svn-id: svn://localhost/ardour2/trunk@1534 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2007-02-28 18:55:46 +00:00
parent 9c1e0194f7
commit 161b8b92a2
2 changed files with 56 additions and 9 deletions
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62
gtk2_ardour/ardour_ui.cc
View File

@ -437,27 +437,71 @@ ARDOUR_UI::save_ardour_state ()
void
ARDOUR_UI::startup ()
{
if (engine->is_realtime()) {
check_memory_locking();
}
void
ARDOUR_UI::no_memory_warning ()
{
XMLNode node (X_("no-memory-warning"));
Config->add_instant_xml (node, get_user_ardour_path());
}
void
ARDOUR_UI::check_memory_locking ()
{
#ifdef __APPLE__
/* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
return;
#endif
XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"), get_user_ardour_path());
if (engine->is_realtime() && memory_warning_node == 0) {
struct rlimit limits;
int64_t ram;
long pages, page_size;
if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0) {
ram = 0;
} else {
ram = (int64_t) pages * (int64_t) page_size;
}
if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
return;
}
if (limits.rlim_cur != RLIM_INFINITY) {
MessageDialog msg (_("WARNING: Your system has a limit for maximum amount of locked memory. "
"This might cause Ardour to run out of memory before your system "
"runs out of memory. \n\n"
"You can view the memory limit with 'ulimit -l', "
"and it is normally controlled by /etc/security/limits.conf"));
if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
editor->ensure_float (msg);
msg.run ();
MessageDialog msg (_("WARNING: Your system has a limit for maximum amount of locked memory. "
"This might cause Ardour to run out of memory before your system "
"runs out of memory. \n\n"
"You can view the memory limit with 'ulimit -l', "
"and it is normally controlled by /etc/security/limits.conf"));
VBox* vbox = msg.get_vbox();
HBox hbox;
CheckButton cb (_("Do not show this window again"));
cb.signal_toggled().connect (mem_fun (*this, &ARDOUR_UI::no_memory_warning));
hbox.pack_start (cb, true, false);
vbox->pack_start (hbox);
hbox.show_all ();
editor->ensure_float (msg);
msg.run ();
}
}
}
}
void
ARDOUR_UI::finish()
{

3
gtk2_ardour/ardour_ui.h
View File

@ -697,6 +697,9 @@ class ARDOUR_UI : public Gtkmm2ext::UI
bool can_save_keybindings;
bool first_idle ();
void no_memory_warning ();
void check_memory_locking ();
};
#endif /* __ardour_gui_h__ */