diff options
Diffstat (limited to 'sha1_file.c')
| -rw-r--r-- | sha1_file.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sha1_file.c b/sha1_file.c index 0cd943561..8e299ae85 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -576,6 +576,21 @@ void release_pack_memory(size_t need, int fd) ; /* nothing */ } +void *xmmap(void *start, size_t length, + int prot, int flags, int fd, off_t offset) +{ + void *ret = mmap(start, length, prot, flags, fd, offset); + if (ret == MAP_FAILED) { + if (!length) + return NULL; + release_pack_memory(length, fd); + ret = mmap(start, length, prot, flags, fd, offset); + if (ret == MAP_FAILED) + die_errno("Out of memory? mmap failed"); + } + return ret; +} + void close_pack_windows(struct packed_git *p) { while (p->windows) { |