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comparison src/share/vm/runtime/os.cpp @ 14309:63a4eb8bcd23

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8025856: Fix typos in the GC code Summary: Fix about 440 typos in comments in the VM code Reviewed-by: mgerdin, tschatzl, coleenp, kmo, jcoomes
author jwilhelm
date Thu, 23 Jan 2014 14:47:23 +0100
parents ce86c36b8921
children 2c95095271e9
comparison
equal deleted inserted replaced
14308:870aedf4ba4f 14309:63a4eb8bcd23
234 static void signal_thread_entry(JavaThread* thread, TRAPS) { 234 static void signal_thread_entry(JavaThread* thread, TRAPS) {
235 os::set_priority(thread, NearMaxPriority); 235 os::set_priority(thread, NearMaxPriority);
236 while (true) { 236 while (true) {
237 int sig; 237 int sig;
238 { 238 {
239 // FIXME : Currently we have not decieded what should be the status 239 // FIXME : Currently we have not decided what should be the status
240 // for this java thread blocked here. Once we decide about 240 // for this java thread blocked here. Once we decide about
241 // that we should fix this. 241 // that we should fix this.
242 sig = os::signal_wait(); 242 sig = os::signal_wait();
243 } 243 }
244 if (sig == os::sigexitnum_pd()) { 244 if (sig == os::sigexitnum_pd()) {
581 // look for cushion in front of prev. block 581 // look for cushion in front of prev. block
582 u_char* start_of_prev_block = find_cushion_backwards(end_of_prev_block_data); 582 u_char* start_of_prev_block = find_cushion_backwards(end_of_prev_block_data);
583 ptrdiff_t size = *size_addr_from_base(start_of_prev_block); 583 ptrdiff_t size = *size_addr_from_base(start_of_prev_block);
584 u_char* obj = start_of_prev_block + space_before; 584 u_char* obj = start_of_prev_block + space_before;
585 if (size <= 0 ) { 585 if (size <= 0 ) {
586 // start is bad; mayhave been confused by OS data inbetween objects 586 // start is bad; may have been confused by OS data in between objects
587 // search one more backwards 587 // search one more backwards
588 start_of_prev_block = find_cushion_backwards(start_of_prev_block); 588 start_of_prev_block = find_cushion_backwards(start_of_prev_block);
589 size = *size_addr_from_base(start_of_prev_block); 589 size = *size_addr_from_base(start_of_prev_block);
590 obj = start_of_prev_block + space_before; 590 obj = start_of_prev_block + space_before;
591 } 591 }
1009 } 1009 }
1010 1010
1011 if (Universe::heap()->is_in(addr)) { 1011 if (Universe::heap()->is_in(addr)) {
1012 HeapWord* p = Universe::heap()->block_start(addr); 1012 HeapWord* p = Universe::heap()->block_start(addr);
1013 bool print = false; 1013 bool print = false;
1014 // If we couldn't find it it just may mean that heap wasn't parseable 1014 // If we couldn't find it it just may mean that heap wasn't parsable
1015 // See if we were just given an oop directly 1015 // See if we were just given an oop directly
1016 if (p != NULL && Universe::heap()->block_is_obj(p)) { 1016 if (p != NULL && Universe::heap()->block_is_obj(p)) {
1017 print = true; 1017 print = true;
1018 } else if (p == NULL && ((oopDesc*)addr)->is_oop()) { 1018 } else if (p == NULL && ((oopDesc*)addr)->is_oop()) {
1019 p = (HeapWord*) addr; 1019 p = (HeapWord*) addr;
1444 1444
1445 // This is the working definition of a server class machine: 1445 // This is the working definition of a server class machine:
1446 // >= 2 physical CPU's and >=2GB of memory, with some fuzz 1446 // >= 2 physical CPU's and >=2GB of memory, with some fuzz
1447 // because the graphics memory (?) sometimes masks physical memory. 1447 // because the graphics memory (?) sometimes masks physical memory.
1448 // If you want to change the definition of a server class machine 1448 // If you want to change the definition of a server class machine
1449 // on some OS or platform, e.g., >=4GB on Windohs platforms, 1449 // on some OS or platform, e.g., >=4GB on Windows platforms,
1450 // then you'll have to parameterize this method based on that state, 1450 // then you'll have to parameterize this method based on that state,
1451 // as was done for logical processors here, or replicate and 1451 // as was done for logical processors here, or replicate and
1452 // specialize this method for each platform. (Or fix os to have 1452 // specialize this method for each platform. (Or fix os to have
1453 // some inheritance structure and use subclassing. Sigh.) 1453 // some inheritance structure and use subclassing. Sigh.)
1454 // If you want some platform to always or never behave as a server 1454 // If you want some platform to always or never behave as a server