提交 e7bacd3d 编写于 作者: J Jonathon Jongsma 提交者: Ján Tomko

util: virprobe.h: use #pragma once in headers

Signed-off-by: NJonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>
Signed-off-by: NJán Tomko <jtomko@redhat.com>
上级 5f7b3e0f
...@@ -19,17 +19,16 @@ ...@@ -19,17 +19,16 @@
* *
*/ */
#ifndef LIBVIRT_VIRPROBE_H #pragma once
# define LIBVIRT_VIRPROBE_H
# include "internal.h" #include "internal.h"
# include "virlog.h" #include "virlog.h"
# if WITH_DTRACE_PROBES #if WITH_DTRACE_PROBES
# ifndef LIBVIRT_PROBES_H # ifndef LIBVIRT_PROBES_H
# define LIBVIRT_PROBES_H # define LIBVIRT_PROBES_H
# include "libvirt_probes.h" # include "libvirt_probes.h"
# endif /* LIBVIRT_PROBES_H */ # endif /* LIBVIRT_PROBES_H */
/* Systemtap 1.2 headers have a bug where they cannot handle a /* Systemtap 1.2 headers have a bug where they cannot handle a
* variable declared with array type. Work around this by casting all * variable declared with array type. Work around this by casting all
...@@ -39,50 +38,50 @@ ...@@ -39,50 +38,50 @@
* hopefully, if we ever add a call to PROBE with other than 9 * hopefully, if we ever add a call to PROBE with other than 9
* end arguments, you can figure out the pattern to extend this hack. * end arguments, you can figure out the pattern to extend this hack.
*/ */
# define VIR_COUNT_ARGS(...) VIR_ARG11(__VA_ARGS__, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1) # define VIR_COUNT_ARGS(...) VIR_ARG11(__VA_ARGS__, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
# define VIR_ARG11(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, ...) _11 # define VIR_ARG11(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, ...) _11
# define VIR_ADD_CAST_EXPAND(a, b, ...) VIR_ADD_CAST_PASTE(a, b, __VA_ARGS__) # define VIR_ADD_CAST_EXPAND(a, b, ...) VIR_ADD_CAST_PASTE(a, b, __VA_ARGS__)
# define VIR_ADD_CAST_PASTE(a, b, ...) a##b(__VA_ARGS__) # define VIR_ADD_CAST_PASTE(a, b, ...) a##b(__VA_ARGS__)
/* The double cast is necessary to silence gcc warnings; any pointer /* The double cast is necessary to silence gcc warnings; any pointer
* can safely go to intptr_t and back to void *, which collapses * can safely go to intptr_t and back to void *, which collapses
* arrays into pointers; while any integer can be widened to intptr_t * arrays into pointers; while any integer can be widened to intptr_t
* then cast to void *. */ * then cast to void *. */
# define VIR_ADD_CAST(a) ((void *)(intptr_t)(a)) # define VIR_ADD_CAST(a) ((void *)(intptr_t)(a))
# define VIR_ADD_CAST1(a) \ # define VIR_ADD_CAST1(a) \
VIR_ADD_CAST(a) VIR_ADD_CAST(a)
# define VIR_ADD_CAST2(a, b) \ # define VIR_ADD_CAST2(a, b) \
VIR_ADD_CAST(a), VIR_ADD_CAST(b) VIR_ADD_CAST(a), VIR_ADD_CAST(b)
# define VIR_ADD_CAST3(a, b, c) \ # define VIR_ADD_CAST3(a, b, c) \
VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c) VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c)
# define VIR_ADD_CAST4(a, b, c, d) \ # define VIR_ADD_CAST4(a, b, c, d) \
VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c), \ VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c), \
VIR_ADD_CAST(d) VIR_ADD_CAST(d)
# define VIR_ADD_CAST5(a, b, c, d, e) \ # define VIR_ADD_CAST5(a, b, c, d, e) \
VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c), \ VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c), \
VIR_ADD_CAST(d), VIR_ADD_CAST(e) VIR_ADD_CAST(d), VIR_ADD_CAST(e)
# define VIR_ADD_CAST6(a, b, c, d, e, f) \ # define VIR_ADD_CAST6(a, b, c, d, e, f) \
VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c), \ VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c), \
VIR_ADD_CAST(d), VIR_ADD_CAST(e), VIR_ADD_CAST(f) VIR_ADD_CAST(d), VIR_ADD_CAST(e), VIR_ADD_CAST(f)
# define VIR_ADD_CAST7(a, b, c, d, e, f, g) \ # define VIR_ADD_CAST7(a, b, c, d, e, f, g) \
VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c), \ VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c), \
VIR_ADD_CAST(d), VIR_ADD_CAST(e), VIR_ADD_CAST(f), \ VIR_ADD_CAST(d), VIR_ADD_CAST(e), VIR_ADD_CAST(f), \
VIR_ADD_CAST(g) VIR_ADD_CAST(g)
# define VIR_ADD_CAST8(a, b, c, d, e, f, g, h) \ # define VIR_ADD_CAST8(a, b, c, d, e, f, g, h) \
VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c), \ VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c), \
VIR_ADD_CAST(d), VIR_ADD_CAST(e), VIR_ADD_CAST(f), \ VIR_ADD_CAST(d), VIR_ADD_CAST(e), VIR_ADD_CAST(f), \
VIR_ADD_CAST(g), VIR_ADD_CAST(h) VIR_ADD_CAST(g), VIR_ADD_CAST(h)
# define VIR_ADD_CAST9(a, b, c, d, e, f, g, h, i) \ # define VIR_ADD_CAST9(a, b, c, d, e, f, g, h, i) \
VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c), \ VIR_ADD_CAST(a), VIR_ADD_CAST(b), VIR_ADD_CAST(c), \
VIR_ADD_CAST(d), VIR_ADD_CAST(e), VIR_ADD_CAST(f), \ VIR_ADD_CAST(d), VIR_ADD_CAST(e), VIR_ADD_CAST(f), \
VIR_ADD_CAST(g), VIR_ADD_CAST(h), VIR_ADD_CAST(i) VIR_ADD_CAST(g), VIR_ADD_CAST(h), VIR_ADD_CAST(i)
# define VIR_ADD_CASTS(...) \ # define VIR_ADD_CASTS(...) \
VIR_ADD_CAST_EXPAND(VIR_ADD_CAST, VIR_COUNT_ARGS(__VA_ARGS__), \ VIR_ADD_CAST_EXPAND(VIR_ADD_CAST, VIR_COUNT_ARGS(__VA_ARGS__), \
__VA_ARGS__) __VA_ARGS__)
# define PROBE_EXPAND(NAME, ARGS) NAME(ARGS) # define PROBE_EXPAND(NAME, ARGS) NAME(ARGS)
# define PROBE(NAME, FMT, ...) \ # define PROBE(NAME, FMT, ...) \
VIR_INFO_INT(&virLogSelf, \ VIR_INFO_INT(&virLogSelf, \
__FILE__, __LINE__, __func__, \ __FILE__, __LINE__, __func__, \
#NAME ": " FMT, __VA_ARGS__); \ #NAME ": " FMT, __VA_ARGS__); \
...@@ -91,18 +90,16 @@ ...@@ -91,18 +90,16 @@
VIR_ADD_CASTS(__VA_ARGS__)); \ VIR_ADD_CASTS(__VA_ARGS__)); \
} }
# define PROBE_QUIET(NAME, FMT, ...) \ # define PROBE_QUIET(NAME, FMT, ...) \
if (LIBVIRT_ ## NAME ## _ENABLED()) { \ if (LIBVIRT_ ## NAME ## _ENABLED()) { \
PROBE_EXPAND(LIBVIRT_ ## NAME, \ PROBE_EXPAND(LIBVIRT_ ## NAME, \
VIR_ADD_CASTS(__VA_ARGS__)); \ VIR_ADD_CASTS(__VA_ARGS__)); \
} }
# else #else
# define PROBE(NAME, FMT, ...) \ # define PROBE(NAME, FMT, ...) \
VIR_INFO_INT(&virLogSelf, \ VIR_INFO_INT(&virLogSelf, \
__FILE__, __LINE__, __func__, \ __FILE__, __LINE__, __func__, \
#NAME ": " FMT, __VA_ARGS__); #NAME ": " FMT, __VA_ARGS__);
# define PROBE_QUIET(NAME, FMT, ...) # define PROBE_QUIET(NAME, FMT, ...)
# endif #endif
#endif /* LIBVIRT_VIRPROBE_H */
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册