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1bbe67f5f6
* ext/-test-/memory_status/memory_status.c (read_status): use Win32 GetProcessMemoryInfo API. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56377 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
#include "ruby.h"
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#ifdef __APPLE__
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# include <mach/mach.h>
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# include <mach/message.h>
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# include <mach/kern_return.h>
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# include <mach/task_info.h>
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#elif defined _WIN32
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# include <psapi.h>
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#endif
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static VALUE cMemoryStatus;
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static VALUE
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read_status(VALUE self)
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{
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VALUE size = INT2FIX(0);
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#if defined __APPLE__
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VALUE rss;
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kern_return_t error;
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mach_msg_type_number_t out_count;
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mach_task_basic_info_data_t taskinfo;
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taskinfo.virtual_size = 0;
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out_count = MACH_TASK_BASIC_INFO_COUNT;
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error = task_info(mach_task_self(), MACH_TASK_BASIC_INFO,
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(task_info_t)&taskinfo, &out_count);
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if (error != KERN_SUCCESS) return Qnil;
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size = ULL2NUM(taskinfo.virtual_size);
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rss = ULL2NUM(taskinfo.resident_size);
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rb_struct_aset(self, INT2FIX(1), rss);
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#elif defined _WIN32
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VALUE peak;
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PROCESS_MEMORY_COUNTERS c;
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c.cb = sizeof(c);
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if (!GetProcessMemoryInfo(GetCurrentProcess(), &c, c.cb))
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return Qnil;
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size = SIZET2NUM(c.PagefileUsage);
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peak = SIZET2NUM(c.PeakWorkingSetSize);
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rb_struct_aset(self, INT2FIX(1), peak);
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#endif
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rb_struct_aset(self, INT2FIX(0), size);
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return self;
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}
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void
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Init_memory_status(void)
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{
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VALUE mMemory = rb_define_module("Memory");
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cMemoryStatus =
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rb_struct_define_under(mMemory, "Status", "size",
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#if defined __APPLE__
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"rss",
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#elif defined _WIN32
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"peak",
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#endif
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(char *)NULL);
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rb_define_method(cMemoryStatus, "_update", read_status, 0);
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}
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