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Restore LF_BACKOFF

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Moved InnoDB UT_RELAX_CPU() to server. Restored cross-platform LF_BACKOFF
implementation basing on UT_RELAX_CPU().
This commit is contained in:
Sergey Vojtovich
2017-12-07 15:03:59 +02:00
committed by Monty
parent 07e9ff1fe1
commit b3346c2f41
10 changed files with 67 additions and 76 deletions
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9
include/my_atomic.h
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@@ -346,15 +346,6 @@ make_atomic_store(ptr)
#undef make_atomic_fas_body
#undef intptr
/*
the macro below defines (as an expression) the code that
will be run in spin-loops. Intel manuals recummend to have PAUSE there.
It is expected to be defined in include/atomic/ *.h files
*/
#ifndef LF_BACKOFF
#define LF_BACKOFF (1)
#endif
#define MY_ATOMIC_OK 0
#define MY_ATOMIC_NOT_1CPU 1
extern int my_atomic_initialize();