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better --info

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This commit is contained in:
albert
2003-01-22 08:31:50 +00:00
parent 73a4c007a5
commit e092b7a18d
2 changed files with 67 additions and 10 deletions
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21
proc/procps.h
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@@ -50,18 +50,23 @@
#define OBSOLETE
#endif
// available when?
// Tells gcc that function is library-internal;
// so no need to do dynamic linking at run-time.
#if __GNUC__ > 2 // FIXME: total random guess that's sure to be wrong
#define VISIBILITY_HIDDEN visibility("hidden")
// This might work with slightly older compilers too.
#if ( __GNUC__ == 3 && __GNUC_MINOR__ > 1 ) || __GNUC__ > 3
#define HIDDEN __attribute__((visibility("hidden")))
#else
#define VISIBILITY_HIDDEN
#define HIDDEN
#endif
// Like HIDDEN, but for an alias that gets created.
// In gcc-3.2 there is an alias+hidden conflict.
// Many will have patched this bug, but oh well.
#if ( __GNUC__ == 3 && __GNUC_MINOR__ > 2 ) || __GNUC__ > 3
#define HIDDEN_ALIAS(x) extern __typeof(x) x##_direct __attribute__((alias(#x),visibility("hidden")))
#else
#define HIDDEN_ALIAS(x) extern __typeof(x) x##_direct __attribute__((alias(#x)))
#endif
// mark function for internal use
#define HIDDEN __attribute__((VISIBILITY_HIDDEN))
// given foo, create a foo_direct for internal use
#define HIDDEN_ALIAS(x) extern __typeof(x) x##_direct __attribute__((alias(#x),VISIBILITY_HIDDEN))
// since gcc-2.5
#define NORETURN __attribute__((__noreturn__))