sunc/sparc.h File Reference

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Macros
#define	AO_HAVE_test_and_set_full

Functions
AO_TS_VAL_t	AO_test_and_set_full (volatile AO_TS_t *addr)

Macro Definition Documentation

AO_HAVE_test_and_set_full

#define AO_HAVE_test_and_set_full

Definition at line 38 of file sunc/sparc.h.

Function Documentation

AO_test_and_set_full()

AO_TS_VAL_t AO_test_and_set_full

(

volatile AO_TS_t *

addr

)

Definition at line 33 of file avr32.h.

  {
        register long ret;
 
        __asm__ __volatile__(
                "xchg %[oldval], %[mem], %[newval]"
                : [oldval] "=&r"(ret)
                : [mem] "r"(addr), [newval] "r"(1)
                : "memory");
 
        return (AO_TS_VAL_t)ret;
  }

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