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babeld, lib, nhrpd: Add likely and unlikely macros

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We have 2 competing versions of likely and unlikely
in babeld and nhrpd.  Standardize onto lower case
versions and consolidate in the code.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2023-02-17 14:56:48 -05:00
parent 9cc377d4d7
commit 6a72124df9
5 changed files with 44 additions and 45 deletions
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4
babeld/babeld.c
View File

@ -442,7 +442,9 @@ babel_fill_with_next_timeout(struct timeval *tv)
#define printIfMin(a,b,c,d)
#else
#define printIfMin(a, b, c, d) \
if (UNLIKELY(debug & BABEL_DEBUG_TIMEOUT)) {printIfMin(a,b,c,d);}
if (unlikely(debug & BABEL_DEBUG_TIMEOUT)) { \
printIfMin(a, b, c, d); \
}
struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
struct interface *ifp = NULL;

4
babeld/babeld.h
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@ -26,12 +26,8 @@ Copyright 2011 by Matthieu Boutier and Juliusz Chroboczek
#if defined(__GNUC__) && (__GNUC__ >= 3)
#define ATTRIBUTE(x) __attribute__ (x)
#define LIKELY(_x) __builtin_expect(!!(_x), 1)
#define UNLIKELY(_x) __builtin_expect(!!(_x), 0)
#else
#define ATTRIBUTE(x) /**/
#define LIKELY(_x) !!(_x)
#define UNLIKELY(_x) !!(_x)
#endif
#if defined(__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3)

3
babeld/util.h
View File

@ -124,7 +124,8 @@ extern const unsigned char v4prefix[16];
#define debugf(level, ...) \
do { \
if(UNLIKELY(debug & level)) zlog_debug(__VA_ARGS__); \
if (unlikely(debug & level)) \
zlog_debug(__VA_ARGS__); \
} while (0)
#endif /* NO_DEBUG */

8
lib/compiler.h
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@ -439,6 +439,14 @@ _Static_assert(sizeof(_uint64_t) == 8 && sizeof(_int64_t) == 8,
#pragma diag_suppress 167
#endif /* __INTELISENSE__ */
#if defined(__GNUC__) && (__GNUC__ >= 3)
#define likely(_x) __builtin_expect(!!(_x), 1)
#define unlikely(_x) __builtin_expect(!!(_x), 0)
#else
#define likely(_x) !!(_x)
#define unlikely(_x) !!(_x)
#endif
#ifdef __cplusplus
}
#endif

8
nhrpd/debug.h
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@ -1,13 +1,5 @@
#include "log.h"
#if defined(__GNUC__) && (__GNUC__ >= 3)
#define likely(_x) __builtin_expect(!!(_x), 1)
#define unlikely(_x) __builtin_expect(!!(_x), 0)
#else
#define likely(_x) !!(_x)
#define unlikely(_x) !!(_x)
#endif
#define NHRP_DEBUG_COMMON (1 << 0)
#define NHRP_DEBUG_KERNEL (1 << 1)
#define NHRP_DEBUG_IF (1 << 2)