#include "refs.h"
#ifndef NO_PTHREADS
-#include "thread-utils.h"
#include <pthread.h>
+#include "thread-utils.h"
#endif
static const char pack_usage[] =
- "git pack-objects [{ -q | --progress | --all-progress }]\n"
+ "git pack-objects [ -q | --progress | --all-progress ]\n"
" [--all-progress-implied]\n"
- " [--max-pack-size=N] [--local] [--incremental]\n"
- " [--window=N] [--window-memory=N] [--depth=N]\n"
+ " [--max-pack-size=<n>] [--local] [--incremental]\n"
+ " [--window=<n>] [--window-memory=<n>] [--depth=<n>]\n"
" [--no-reuse-delta] [--no-reuse-object] [--delta-base-offset]\n"
- " [--threads=N] [--non-empty] [--revs [--unpacked | --all]*]\n"
+ " [--threads=<n>] [--non-empty] [--revs [--unpacked | --all]]\n"
" [--reflog] [--stdout | base-name] [--include-tag]\n"
- " [--keep-unreachable | --unpack-unreachable \n"
- " [<ref-list | <object-list]";
+ " [--keep-unreachable | --unpack-unreachable]\n"
+ " [< ref-list | < object-list]";
struct object_entry {
struct pack_idx_entry idx;
return stream.total_out;
}
-/*
- * The per-object header is a pretty dense thing, which is
- * - first byte: low four bits are "size", then three bits of "type",
- * and the high bit is "size continues".
- * - each byte afterwards: low seven bits are size continuation,
- * with the high bit being "size continues"
- */
-static int encode_header(enum object_type type, unsigned long size, unsigned char *hdr)
-{
- int n = 1;
- unsigned char c;
-
- if (type < OBJ_COMMIT || type > OBJ_REF_DELTA)
- die("bad type %d", type);
-
- c = (type << 4) | (size & 15);
- size >>= 4;
- while (size) {
- *hdr++ = c | 0x80;
- c = size & 0x7f;
- size >>= 7;
- n++;
- }
- *hdr = c;
- return n;
-}
-
/*
* we are going to reuse the existing object data as is. make
* sure it is not corrupt.
* The object header is a byte of 'type' followed by zero or
* more bytes of length.
*/
- hdrlen = encode_header(type, size, header);
+ hdrlen = encode_in_pack_object_header(type, size, header);
if (type == OBJ_OFS_DELTA) {
/*
if (entry->delta)
type = (allow_ofs_delta && entry->delta->idx.offset) ?
OBJ_OFS_DELTA : OBJ_REF_DELTA;
- hdrlen = encode_header(type, entry->size, header);
+ hdrlen = encode_in_pack_object_header(type, entry->size, header);
offset = entry->in_pack_offset;
revidx = find_pack_revindex(p, offset);
written_list[nr_written++] = &e->idx;
/* make sure off_t is sufficiently large not to wrap */
- if (*offset > *offset + size)
+ if (signed_add_overflows(*offset, size))
die("pack too large for current definition of off_t");
*offset += size;
return 1;
}
-/* forward declaration for write_pack_file */
-static int adjust_perm(const char *path, mode_t mode);
-
static void write_pack_file(void)
{
uint32_t i = 0, j;
}
if (!pack_to_stdout) {
- mode_t mode = umask(0);
struct stat st;
const char *idx_tmp_name;
char tmpname[PATH_MAX];
- umask(mode);
- mode = 0444 & ~mode;
-
idx_tmp_name = write_idx_file(NULL, written_list,
nr_written, sha1);
snprintf(tmpname, sizeof(tmpname), "%s-%s.pack",
base_name, sha1_to_hex(sha1));
free_pack_by_name(tmpname);
- if (adjust_perm(pack_tmp_name, mode))
+ if (adjust_shared_perm(pack_tmp_name))
die_errno("unable to make temporary pack file readable");
if (rename(pack_tmp_name, tmpname))
die_errno("unable to rename temporary pack file");
snprintf(tmpname, sizeof(tmpname), "%s-%s.idx",
base_name, sha1_to_hex(sha1));
- if (adjust_perm(idx_tmp_name, mode))
+ if (adjust_shared_perm(idx_tmp_name))
die_errno("unable to make temporary index file readable");
if (rename(idx_tmp_name, tmpname))
die_errno("unable to rename temporary index file");
#ifndef NO_PTHREADS
+static void try_to_free_from_threads(size_t size)
+{
+ read_lock();
+ release_pack_memory(size, -1);
+ read_unlock();
+}
+
+try_to_free_t old_try_to_free_routine;
+
/*
* The main thread waits on the condition that (at least) one of the workers
* has stopped working (which is indicated in the .working member of
*/
static void init_threaded_search(void)
{
- pthread_mutex_init(&read_mutex, NULL);
+ init_recursive_mutex(&read_mutex);
pthread_mutex_init(&cache_mutex, NULL);
pthread_mutex_init(&progress_mutex, NULL);
pthread_cond_init(&progress_cond, NULL);
+ old_try_to_free_routine = set_try_to_free_routine(try_to_free_from_threads);
}
static void cleanup_threaded_search(void)
{
+ set_try_to_free_routine(old_try_to_free_routine);
pthread_cond_destroy(&progress_cond);
pthread_mutex_destroy(&read_mutex);
pthread_mutex_destroy(&cache_mutex);
loosen_unused_packed_objects(&revs);
}
-static int adjust_perm(const char *path, mode_t mode)
-{
- if (chmod(path, mode))
- return -1;
- return adjust_shared_perm(path);
-}
-
int cmd_pack_objects(int argc, const char **argv, const char *prefix)
{
int use_internal_rev_list = 0;