qb_atomic_int_compare_and_exchange - Compares oldval with the integer pointed to by atomic and if they

       Copyright (C) 2003 Sebastian Wilhelmi

LIBQB                                              2023-07-21              QB_ATOMIC_INT_COMPARE_AND_EXCHANGE(3)

       Also acts as a memory barrier.

       qb_atomic_int_compare_and_exchange  -  Compares  oldval with the integer pointed to by atomic and if they
       are equal, atomically exchanges *atomic with newval.

atomicapointertoanintegeroldvaltheassumedoldvalueof*atomicnewvalthenewvalueof*atomic

       QB_TRUE, if *atomic was equal oldval. QB_FALSE otherwise.

qb_atomic_int_set(3), qb_atomic_int_get(3), qb_atomic_int_add(3), qb_atomic_init(3),
       qb_atomic_pointer_get(3), qb_atomic_int_exchange_and_add(3), qb_atomic_pointer_compare_and_exchange(3),
       qb_atomic_pointer_set(3)

#include<qb/qbatomic.h>int32_tqb_atomic_int_compare_and_exchange(
           volatileint32_tQB_GNUC_MAY_ALIAS*atomic,  /* a pointer to an integer */
           int32_toldval,  /* the assumed old value of *atomic */
           int32_tnewval   /* the new value of *atomic*/
       );