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refs #36, have the FIFO realloc its buffer on resize, as opposed to malloc and memcpy

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zkasheff 2013-08-21 15:29:30 -04:00
parent a34734ccbc
commit f40b466bbe
1 changed files with 3 additions and 11 deletions
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14
ft/fifo.cc
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@ -168,17 +168,9 @@ int toku_fifo_enq(FIFO fifo, const void *key, unsigned int keylen, const void *d
if (need_space_total > fifo->memory_size) {
// Out of memory at the end.
int next_2 = next_power_of_two(need_space_total);
if ((2*next_2 > fifo->memory_size)
|| (8*next_2 < fifo->memory_size)) {
// resize the fifo
char *XMALLOC_N(next_2, newmem);
char *oldmem = fifo->memory;
if (newmem==0) return ENOMEM;
memcpy(newmem, oldmem, fifo->memory_used);
fifo->memory_size = next_2;
fifo->memory = newmem;
toku_free(oldmem);
}
// resize the fifo
XREALLOC_N(next_2, fifo->memory);
fifo->memory_size = next_2;
}
struct fifo_entry *entry = (struct fifo_entry *)(fifo->memory + fifo->memory_used);
fifo_entry_set_msg_type(entry, type);