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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-10-08 01:34:27 (GMT)
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-10-08 01:34:27 (GMT)
commitf0e1d723164d99bf733fbb607ef78a440bd40c9f (patch)
treed31a5a15cb0566a7c66bd67cf03d67ce87bb0f14 /ext/-test-
parent75838104e7b5c66dbac07ef4881e29197ced5404 (diff)
memory_status.c: system call
* ext/-test-/memory_status/memory_status.c: get memory sizes by mach task_info system call. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56376 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/-test-')
-rw-r--r--ext/-test-/memory_status/extconf.rb8
-rw-r--r--ext/-test-/memory_status/memory_status.c45
2 files changed, 53 insertions, 0 deletions
diff --git a/ext/-test-/memory_status/extconf.rb b/ext/-test-/memory_status/extconf.rb
new file mode 100644
index 0000000..8bfbfe6
--- /dev/null
+++ b/ext/-test-/memory_status/extconf.rb
@@ -0,0 +1,8 @@
+case RUBY_PLATFORM
+when /darwin/
+ ok = true
+end
+
+if ok
+ create_makefile("-test-/memory_status")
+end
diff --git a/ext/-test-/memory_status/memory_status.c b/ext/-test-/memory_status/memory_status.c
new file mode 100644
index 0000000..813a834
--- /dev/null
+++ b/ext/-test-/memory_status/memory_status.c
@@ -0,0 +1,45 @@
+#include "ruby.h"
+#ifdef __APPLE__
+# include <mach/mach.h>
+# include <mach/message.h>
+# include <mach/kern_return.h>
+# include <mach/task_info.h>
+#endif
+
+static VALUE cMemoryStatus;
+
+static VALUE
+read_status(VALUE self)
+{
+ VALUE size = INT2FIX(0);
+#if defined __APPLE__
+ VALUE rss;
+ kern_return_t error;
+ mach_msg_type_number_t out_count;
+ mach_task_basic_info_data_t taskinfo;
+
+ taskinfo.virtual_size = 0;
+ out_count = MACH_TASK_BASIC_INFO_COUNT;
+ error = task_info(mach_task_self(), MACH_TASK_BASIC_INFO,
+ (task_info_t)&taskinfo, &out_count);
+ if (error != KERN_SUCCESS) return Qnil;
+ size = ULL2NUM(taskinfo.virtual_size);
+ rss = ULL2NUM(taskinfo.resident_size);
+ rb_struct_aset(self, INT2FIX(1), rss);
+#endif
+ rb_struct_aset(self, INT2FIX(0), size);
+ return self;
+}
+
+void
+Init_memory_status(void)
+{
+ VALUE mMemory = rb_define_module("Memory");
+ cMemoryStatus =
+ rb_struct_define_under(mMemory, "Status", "size",
+#if defined __APPLE__
+ "rss",
+#endif
+ (char *)NULL);
+ rb_define_method(cMemoryStatus, "_update", read_status, 0);
+}