/usr/include/sidlCas.h is in libsidl-dev 1.4.0.dfsg-8.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | #ifndef __SIDL_CAS_H__
#define __SIDL_CAS_H__
#ifndef included_babel_config_h
#include "babel_config.h"
#endif
/* So far, compare and swap is only defined for x86 */
#if defined(BABEL_PROCESSOR_SPARC)
/*#include "sparc_defns.h"*/
#elif defined(BABEL_PROCESSOR_X86)
#define CAS32(_a, _o, _n) \
({ __typeof__(_o) __o = _o; \
__asm__ __volatile__( \
"lock cmpxchg %3,%1" \
: "=a" (__o), "=m" (*(volatile unsigned int *)(_a)) \
: "0" (__o), "r" (_n) ); \
__o; \
})
#define CAS64(_a, _o, _n) \
({ __typeof__(_o) __o = _o; \
__asm__ __volatile__( \
"movl %3, %%ecx;" \
"movl %4, %%ebx;" \
"lock cmpxchg8b %1" \
: "=A" (__o), "=m" (*(volatile unsigned long long *)(_a)) \
: "0" (__o), "m" (_n >> 32), "m" (_n) \
: "ebx", "ecx" ); \
__o; \
})
#elif defined(BABEL_PROCESSOR_PPC)
/*#include "ppc_defns.h"*/
#elif defined(BABEL_PROCESSOR_IA64)
/*#include "ia64_defns.h"*/
#elif defined(BABEL_PROCESSOR_MIPS)
/*#include "mips_defns.h"*/
#elif defined(BABEL_PROCESSOR_ALPHA)
/*#include "alpha_defns.h"*/
#endif
#endif /* __SIDL_CAS_H__ */
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