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P-p-H-d · Mar 26, 2024 · 7bf9f6a · 7bf9f6a
1 parent 7575681
commit 7bf9f6a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/m-concurrent.h b/m-concurrent.h
@@ -816,6 +816,7 @@
     struct M_F(name, _s) *self = out->self;                                   \
     while (true) {                                                            \
       unsigned int num = atomic_load(&self->num_reader);                      \
+      /* FIXME: this lock is unfair for writers as readers may starve then */ \
       if (num != 0                                                            \
          && atomic_compare_exchange_strong(&self->num_reader, &num, num+1)) { \
           break;                                                              \