ckolivas/lrzip
1
0
Fork 0
mirror of https://github.com/ckolivas/lrzip.git synced 2025-12-06 07:12:00 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Only retry mmapping if it's due to a memory allocation error.

Browse source
This commit is contained in:
Con Kolivas 2011-02-26 20:00:26 +11:00
parent 7acd389382
commit db4f9f5fea
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
rzip.c
View file

@ -826,6 +826,8 @@ retry:
sb.buf_low = mmap(NULL, st->mmap_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
/* Better to shrink the window to the largest size that works than fail */
if (sb.buf_low == MAP_FAILED) {
if (unlikely(errno != ENOMEM))
fatal("Failed to mmap %s\n", control.infile);
st->mmap_size = st->mmap_size / 10 * 9;
round_to_page(&st->mmap_size);
if (unlikely(!st->mmap_size))
@ -838,6 +840,8 @@ retry:
/* NOTE The buf is saved here for !STDIN mode */
sb.buf_low = (uchar *)mmap(sb.buf_low, st->mmap_size, PROT_READ, MAP_SHARED, fd_in, offset);
if (sb.buf_low == MAP_FAILED) {
if (unlikely(errno != ENOMEM))
fatal("Failed to mmap %s\n", control.infile);
st->mmap_size = st->mmap_size / 10 * 9;
round_to_page(&st->mmap_size);
if (unlikely(!st->mmap_size))