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stdatomic: add/sub return result of op (#15235)

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stringnick
2022-07-27 03:21:03 +03:00
committed by GitHub
parent e5e750d533
commit afaab7ab4d
2 changed files with 20 additions and 28 deletions
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24
vlib/sync/stdatomic/atomic_test.v
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@ -38,52 +38,44 @@ fn test_count_10_times_1_cycle_should_not_be_10_cycles_without_sync() {
fn test_atomic_count_plus_one_u64() {
mut c := u64(0)
stdatomic.add_u64(&c, 1)
assert stdatomic.load_u64(&c) == 1
assert stdatomic.add_u64(&c, 1) == 1
}
fn test_atomic_count_plus_one_i64() {
mut c := i64(0)
stdatomic.add_i64(&c, 1)
assert stdatomic.load_i64(&c) == 1
assert stdatomic.add_i64(&c, 1) == 1
}
fn test_atomic_count_plus_greater_than_one_u64() {
mut c := u64(0)
stdatomic.add_u64(&c, 10)
assert stdatomic.load_u64(&c) == 10
assert stdatomic.add_u64(&c, 10) == 10
}
fn test_atomic_count_plus_greater_than_one_i64() {
mut c := i64(0)
stdatomic.add_i64(&c, 10)
assert stdatomic.load_i64(&c) == 10
assert stdatomic.add_i64(&c, 10) == 10
}
fn test_atomic_count_minus_one_u64() {
mut c := u64(1)
stdatomic.sub_u64(&c, 1)
assert stdatomic.load_u64(&c) == 0
assert stdatomic.sub_u64(&c, 1) == 0
}
fn test_atomic_count_minus_one_i64() {
mut c := i64(0)
stdatomic.sub_i64(&c, 1)
assert stdatomic.load_i64(&c) == -1
assert stdatomic.sub_i64(&c, 1) == -1
}
fn test_atomic_count_minus_greater_than_one_u64() {
mut c := u64(0)
stdatomic.store_u64(&c, 10)
stdatomic.sub_u64(&c, 10)
assert stdatomic.load_u64(&c) == 0
assert stdatomic.sub_u64(&c, 10) == 0
}
fn test_atomic_count_minus_greater_than_one_i64() {
mut c := i64(0)
stdatomic.store_i64(&c, 10)
stdatomic.sub_i64(&c, 20)
assert stdatomic.load_i64(&c) == -10
assert stdatomic.sub_i64(&c, 20) == -10
}
// count_one_cycle counts the common counter iterations_per_cycle times in thread-safe way