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3 * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
4 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
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38 * Implementation specific header files for atomic operations.
41 #ifndef _CL_ATOMIC_OSD_H_
42 #define _CL_ATOMIC_OSD_H_
44 #include <complib/cl_types.h>
45 #include <complib/cl_spinlock.h>
48 # define BEGIN_C_DECLS extern "C" {
49 # define END_C_DECLS }
50 #else /* !__cplusplus */
51 # define BEGIN_C_DECLS
53 #endif /* __cplusplus */
55 BEGIN_C_DECLS extern cl_spinlock_t cl_atomic_spinlock;
57 static inline int32_t cl_atomic_inc(IN atomic32_t * const p_value)
61 cl_spinlock_acquire(&cl_atomic_spinlock);
62 new_val = *p_value + 1;
64 cl_spinlock_release(&cl_atomic_spinlock);
68 static inline int32_t cl_atomic_dec(IN atomic32_t * const p_value)
72 cl_spinlock_acquire(&cl_atomic_spinlock);
73 new_val = *p_value - 1;
75 cl_spinlock_release(&cl_atomic_spinlock);
80 cl_atomic_add(IN atomic32_t * const p_value, IN const int32_t increment)
84 cl_spinlock_acquire(&cl_atomic_spinlock);
85 new_val = *p_value + increment;
87 cl_spinlock_release(&cl_atomic_spinlock);
92 cl_atomic_sub(IN atomic32_t * const p_value, IN const int32_t decrement)
96 cl_spinlock_acquire(&cl_atomic_spinlock);
97 new_val = *p_value + decrement;
99 cl_spinlock_release(&cl_atomic_spinlock);
104 #endif /* _CL_ATOMIC_OSD_H_ */