diff options
Diffstat (limited to 'docs/history/13-gap-fixes/code/tests/joins.zc')
| -rw-r--r-- | docs/history/13-gap-fixes/code/tests/joins.zc | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/docs/history/13-gap-fixes/code/tests/joins.zc b/docs/history/13-gap-fixes/code/tests/joins.zc deleted file mode 100644 index a272e08..0000000 --- a/docs/history/13-gap-fixes/code/tests/joins.zc +++ /dev/null @@ -1,32 +0,0 @@ -// joins: something given away on one path is dead afterwards, and the paths -// that still own it free it on the way in. nothing here leaks. -fn take(.d p) { return p[0]; } -fn later(.d p); // not needed any more, but still allowed -fn mk(int v) -> *int.u { *int p = new(int); *p = v; return u*p; } -fn count(int n) { let s = 0; switch (n % 4) { case 0: s = 10; case 1, 2: s = 20; break; default: s = 30; } return s; } -fn main() -{ - let base = live_objects(), i = 0, hits = 0, k; - while (i < 50) { - let x = mk(i); - if (i % 3 == 0) take(d*x); // else: freed here by the fixup - i++; - } - putn(live_objects() - base); putc(' '); - // give away and break: fine now; the normal exit frees it - i = 0; - let y = mk(7); - while (i < 10) { if (i == 4) { take(d*y); break; } i++; } - putn(live_objects() - base); putc(' '); - let z = mk(5); - while (1) { if (z[0] == 5) { hits = take(d*z); break; } } - putn(hits); putc(' '); - putn(count(0) + count(1) + count(2) + count(3)); putc(' '); - k = i > 3 ? i * 2 : 0 - 1; - putn(k); putc(' '); - putn(forward(new(int))); putc(' '); // tagged and defined below: the prescan knows .d - **int pp; *int q = new(int); *q = 9; pp = &q; putn(**pp); free(d*q); putc(' '); - putn(live_objects() - base); putc(10); - return 0; -} -fn forward(*int.d p) { return 3 + *p; } |
