#include <vspace.h>
Definition at line 1431 of file vspace.h.
◆ FastLock()
vspace::internals::FastLock::FastLock |
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vaddr_t | offset = 0 | ) |
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inline |
◆ lock()
void vspace::internals::FastLock::lock |
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Definition at line 681 of file vspace.cc.
681 {
682#ifdef HAVE_CPP_THREADS
683 while (_lock.test_and_set()) {
684 }
685 bool empty = _owner < 0;
686 if (empty) {
687 _owner =
vmem.current_process;
688 } else {
689 int p =
vmem.current_process;
690 vmem.metapage->process_info[
p].next = -1;
691 if (_head < 0)
693 else
694 vmem.metapage->process_info[_tail].next =
p;
696 }
697 _lock.clear();
698 if (!empty)
700#else
702#endif
703}
void lock_file(int fd, size_t offset, size_t len)
ipc_signal_t wait_signal(bool lock)
◆ unlock()
void vspace::internals::FastLock::unlock |
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Definition at line 705 of file vspace.cc.
705 {
706#ifdef HAVE_CPP_THREADS
707 while (_lock.test_and_set()) {
708 }
709 _owner = _head;
710 if (_owner >= 0)
711 _head =
vmem.metapage->process_info[_head].next;
712 _lock.clear();
713 if (_owner >= 0)
715#else
717#endif
718}
void unlock_file(int fd, size_t offset, size_t len)
bool send_signal(int processno, ipc_signal_t sig, bool lock)
◆ _offset
vaddr_t vspace::internals::FastLock::_offset |
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private |
The documentation for this class was generated from the following files: