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Linux/scripts/atomic/fallbacks/dec_unless_positive

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Diff markup

Differences between /scripts/atomic/fallbacks/dec_unless_positive (Version linux-6.12-rc7) and /scripts/atomic/fallbacks/dec_unless_positive (Version linux-5.4.285)


  1 cat <<EOF                                           1 cat <<EOF
  2         ${int} c = raw_${atomic}_read(v);      !!   2 static inline bool
                                                   >>   3 ${atomic}_dec_unless_positive(${atomic}_t *v)
                                                   >>   4 {
                                                   >>   5         ${int} c = ${atomic}_read(v);
  3                                                     6 
  4         do {                                        7         do {
  5                 if (unlikely(c > 0))                8                 if (unlikely(c > 0))
  6                         return false;               9                         return false;
  7         } while (!raw_${atomic}_try_cmpxchg(v, !!  10         } while (!${atomic}_try_cmpxchg(v, &c, c - 1));
  8                                                    11 
  9         return true;                               12         return true;
                                                   >>  13 }
 10 EOF                                                14 EOF
                                                      

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