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Issue 7020020: Lower heap size limits on systems that are short of virtual memory. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 6 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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47 #include <utils/Log.h> // LOG_PRI_VA 47 #include <utils/Log.h> // LOG_PRI_VA
48 #endif 48 #endif
49 49
50 #include "v8.h" 50 #include "v8.h"
51 51
52 #include "platform.h" 52 #include "platform.h"
53 53
54 namespace v8 { 54 namespace v8 {
55 namespace internal { 55 namespace internal {
56 56
57
58 // Maximum size of the virtual memory. 0 means there is no artificial
59 // limit.
60
61 intptr_t OS::MaxVirtualMemory() {
62 struct rlimit limit;
63 int result = getrlimit(RLIMIT_DATA, &limit);
64 if (result != 0) return 0;
65 return limit.rlim_cur;
66 }
67
68
57 // ---------------------------------------------------------------------------- 69 // ----------------------------------------------------------------------------
58 // Math functions 70 // Math functions
59 71
60 double modulo(double x, double y) { 72 double modulo(double x, double y) {
61 return fmod(x, y); 73 return fmod(x, y);
62 } 74 }
63 75
64 76
65 double OS::nan_value() { 77 double OS::nan_value() {
66 // NAN from math.h is defined in C99 and not in POSIX. 78 // NAN from math.h is defined in C99 and not in POSIX.
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415 return ntohl(value); 427 return ntohl(value);
416 } 428 }
417 429
418 430
419 Socket* OS::CreateSocket() { 431 Socket* OS::CreateSocket() {
420 return new POSIXSocket(); 432 return new POSIXSocket();
421 } 433 }
422 434
423 435
424 } } // namespace v8::internal 436 } } // namespace v8::internal
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