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comparison src/share/vm/runtime/os.cpp @ 12147:c636758ea616

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Merge
author dcubed
date Fri, 30 Aug 2013 07:04:42 -0700
parents f92b82d454fa d8e99408faad
children 8e94527f601e 40136aa2cdb1 9b4ce069642e
comparison
equal deleted inserted replaced
12128:c169f7038414 12147:c636758ea616
1483 } 1483 }
1484 } 1484 }
1485 return result; 1485 return result;
1486 } 1486 }
1487 1487
1488 // Read file line by line, if line is longer than bsize,
1489 // skip rest of line.
1490 int os::get_line_chars(int fd, char* buf, const size_t bsize){
1491 size_t sz, i = 0;
1492
1493 // read until EOF, EOL or buf is full
1494 while ((sz = (int) read(fd, &buf[i], 1)) == 1 && i < (bsize-2) && buf[i] != '\n') {
1495 ++i;
1496 }
1497
1498 if (buf[i] == '\n') {
1499 // EOL reached so ignore EOL character and return
1500
1501 buf[i] = 0;
1502 return (int) i;
1503 }
1504
1505 buf[i+1] = 0;
1506
1507 if (sz != 1) {
1508 // EOF reached. if we read chars before EOF return them and
1509 // return EOF on next call otherwise return EOF
1510
1511 return (i == 0) ? -1 : (int) i;
1512 }
1513
1514 // line is longer than size of buf, skip to EOL
1515 char ch;
1516 while (read(fd, &ch, 1) == 1 && ch != '\n') {
1517 // Do nothing
1518 }
1519
1520 // return initial part of line that fits in buf.
1521 // If we reached EOF, it will be returned on next call.
1522
1523 return (int) i;
1524 }
1525
1526 void os::SuspendedThreadTask::run() { 1488 void os::SuspendedThreadTask::run() {
1527 assert(Threads_lock->owned_by_self() || (_thread == VMThread::vm_thread()), "must have threads lock to call this"); 1489 assert(Threads_lock->owned_by_self() || (_thread == VMThread::vm_thread()), "must have threads lock to call this");
1528 internal_do_task(); 1490 internal_do_task();
1529 _done = true; 1491 _done = true;
1530 } 1492 }