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https://github.com/xen-project/xen.git
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Keir Fraser
ce5c899f22
This makes stubdom use the host's gcc instead of downloading/compiling binutils+gcc. That requires a bunch of changes and even uncovered a few bugs, but saves a lot of time. Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
#ifndef _MINIOS_SYS_LOCK_H_
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#define _MINIOS_SYS_LOCK_H_
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#ifdef HAVE_LIBC
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/* Due to inclusion loop, we can not include sched.h, so have to hide things */
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#include <waittypes.h>
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typedef struct {
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int busy;
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struct wait_queue_head wait;
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} _LOCK_T;
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#define __LOCK_INIT(class,lock) \
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class _LOCK_T lock = { .wait = __WAIT_QUEUE_HEAD_INITIALIZER(lock.wait) }
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int ___lock_init(_LOCK_T *lock);
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int ___lock_acquire(_LOCK_T *lock);
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int ___lock_try_acquire(_LOCK_T *lock);
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int ___lock_release(_LOCK_T *lock);
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int ___lock_close(_LOCK_T *lock);
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#define __lock_init(__lock) ___lock_init(&__lock)
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#define __lock_acquire(__lock) ___lock_acquire(&__lock)
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#define __lock_release(__lock) ___lock_release(&__lock)
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#define __lock_try_acquire(__lock) ___lock_try_acquire(&__lock)
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#define __lock_close(__lock) 0
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typedef struct {
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struct thread *owner;
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int count;
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struct wait_queue_head wait;
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} _LOCK_RECURSIVE_T;
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#define __LOCK_INIT_RECURSIVE(class, lock) \
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class _LOCK_RECURSIVE_T lock = { .wait = __WAIT_QUEUE_HEAD_INITIALIZER((lock).wait) }
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int ___lock_init_recursive(_LOCK_RECURSIVE_T *lock);
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int ___lock_acquire_recursive(_LOCK_RECURSIVE_T *lock);
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int ___lock_try_acquire_recursive(_LOCK_RECURSIVE_T *lock);
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int ___lock_release_recursive(_LOCK_RECURSIVE_T *lock);
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int ___lock_close_recursive(_LOCK_RECURSIVE_T *lock);
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#define __lock_init_recursive(__lock) ___lock_init_recursive(&__lock)
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#define __lock_acquire_recursive(__lock) ___lock_acquire_recursive(&__lock)
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#define __lock_release_recursive(__lock) ___lock_release_recursive(&__lock)
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#define __lock_try_acquire_recursive(__lock) ___lock_try_acquire_recursive(&__lock)
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#define __lock_close_recursive(__lock) 0
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#endif
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#endif /* _MINIOS_SYS_LOCK_H_ */
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