diff options
Diffstat (limited to 'Src/zsh.h')
| -rw-r--r-- | Src/zsh.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/Src/zsh.h b/Src/zsh.h index a31a7469b..dabcd90c8 100644 --- a/Src/zsh.h +++ b/Src/zsh.h @@ -1305,6 +1305,22 @@ struct ttyinfo { * Memory management * *********************/ +/* heappush saves the current heap state using this structure */ + +struct heapstack { + struct heapstack *next; /* next one in list for this heap */ + size_t used; +}; + +/* A zsh heap. */ + +struct heap { + struct heap *next; /* next one */ + size_t used; /* bytes used from the heap */ + struct heapstack *sp; /* used by pushheap() to save the value used */ +#define arena(X) ((char *) (X) + sizeof(struct heap)) +}; + #ifndef DEBUG # define HEAPALLOC do { int nonlocal_useheap = global_heapalloc(); do @@ -1318,6 +1334,13 @@ struct ttyinfo { # define LASTALLOC_RETURN \ if ((nonlocal_useheap ? global_heapalloc() : \ global_permalloc()), 0) {;} else return + +# define NEWHEAPS(h) do { Heap oldheaps = h = new_heaps(); do +# define OLDHEAPS while (0); old_heaps(oldheaps); } while (0); + +# define SWITCHHEAPS(h) do { Heap oldheaps = switch_heaps(h); do +# define SWITCHBACKHEAPS while (0); switch_heaps(oldheaps); } while (0); + #else # define HEAPALLOC do { int nonlocal_useheap = global_heapalloc(); \ alloc_stackp++; do @@ -1333,6 +1356,17 @@ struct ttyinfo { # define LASTALLOC_RETURN \ if ((nonlocal_useheap ? global_heapalloc() : \ global_permalloc()),alloc_stackp--,0){;}else return + +# define NEWHEAPS(h) do { Heap oldheaps = h = new_heaps(); \ + alloc_stackp++; do +# define OLDHEAPS while (0); alloc_stackp--; \ + old_heaps(oldheaps); } while (0); + +# define SWITCHHEAPS(h) do { Heap oldheaps = switch_heaps(h); \ + alloc_stackp++; do +# define SWITCHBACKHEAPS while (0); alloc_stackp--; \ + switch_heaps(oldheaps); } while (0); + #endif /****************/ |