diff --git a/sha1_file.c b/sha1_file.c
index c5023703c910ac961fa22bed4e5446e0b9b17ab3..1cafdfa617a833ec757b481826dc62282be8f374 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
; /* 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) {
return p;
}
+static void try_to_free_pack_memory(size_t size)
+{
+ release_pack_memory(size, -1);
+}
+
struct packed_git *add_packed_git(const char *path, int path_len, int local)
{
+ static int have_set_try_to_free_routine;
struct stat st;
struct packed_git *p = alloc_packed_git(path_len + 2);
+ if (!have_set_try_to_free_routine) {
+ have_set_try_to_free_routine = 1;
+ set_try_to_free_routine(try_to_free_pack_memory);
+ }
+
/*
* Make sure a corresponding .pack file exists and that
* the index looks sane.