diff options
Diffstat (limited to 'sha1_file.c')
| -rw-r--r-- | sha1_file.c | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/sha1_file.c b/sha1_file.c index 2320400b7c..e73cd4fc0b 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -720,6 +720,8 @@ static int open_packed_git_1(struct packed_git *p) return error("packfile %s index unavailable", p->pack_name); p->pack_fd = open(p->pack_name, O_RDONLY); + while (p->pack_fd < 0 && errno == EMFILE && unuse_one_window(p, -1)) + p->pack_fd = open(p->pack_name, O_RDONLY); if (p->pack_fd < 0 || fstat(p->pack_fd, &st)) return -1; @@ -791,7 +793,7 @@ static int in_window(struct pack_window *win, off_t offset) && (offset + 20) <= (win_off + win->len); } -unsigned char* use_pack(struct packed_git *p, +unsigned char *use_pack(struct packed_git *p, struct pack_window **w_cursor, off_t offset, unsigned int *left) @@ -801,7 +803,7 @@ unsigned char* use_pack(struct packed_git *p, if (p->pack_fd == -1 && open_packed_git(p)) die("packfile %s cannot be accessed", p->pack_name); - /* Since packfiles end in a hash of their content and its + /* Since packfiles end in a hash of their content and it's * pointless to ask for an offset into the middle of that * hash, and the in_window function above wouldn't match * don't allow an offset too close to the end of the file. @@ -937,6 +939,8 @@ static void prepare_packed_git_one(char *objdir, int local) sprintf(path, "%s/pack", objdir); len = strlen(path); dir = opendir(path); + while (!dir && errno == EMFILE && unuse_one_window(packed_git, -1)) + dir = opendir(path); if (!dir) { if (errno != ENOENT) error("unable to open object pack directory: %s: %s", @@ -1708,6 +1712,9 @@ static void add_delta_base_cache(struct packed_git *p, off_t base_offset, delta_base_cache_lru.prev = &ent->lru; } +static void *read_object(const unsigned char *sha1, enum object_type *type, + unsigned long *size); + static void *unpack_delta_entry(struct packed_git *p, struct pack_window **w_curs, off_t curpos, @@ -2111,8 +2118,8 @@ int pretend_sha1_file(void *buf, unsigned long len, enum object_type type, return 0; } -void *read_object(const unsigned char *sha1, enum object_type *type, - unsigned long *size) +static void *read_object(const unsigned char *sha1, enum object_type *type, + unsigned long *size) { unsigned long mapsize; void *map, *buf; @@ -2213,12 +2220,18 @@ static void write_sha1_file_prepare(const void *buf, unsigned long len, } /* - * Move the just written object into its final resting place + * Move the just written object into its final resting place. + * NEEDSWORK: this should be renamed to finalize_temp_file() as + * "moving" is only a part of what it does, when no patch between + * master to pu changes the call sites of this function. */ int move_temp_to_file(const char *tmpfile, const char *filename) { int ret = 0; - if (link(tmpfile, filename)) + + if (object_creation_mode == OBJECT_CREATION_USES_RENAMES) + goto try_rename; + else if (link(tmpfile, filename)) ret = errno; /* @@ -2229,15 +2242,16 @@ int move_temp_to_file(const char *tmpfile, const char *filename) * * The same holds for FAT formatted media. * - * When this succeeds, we just return 0. We have nothing + * When this succeeds, we just return. We have nothing * left to unlink. */ if (ret && ret != EEXIST) { + try_rename: if (!rename(tmpfile, filename)) - return 0; + goto out; ret = errno; } - unlink(tmpfile); + unlink_or_warn(tmpfile); if (ret) { if (ret != EEXIST) { return error("unable to write sha1 filename %s: %s\n", filename, strerror(ret)); @@ -2245,6 +2259,9 @@ int move_temp_to_file(const char *tmpfile, const char *filename) /* FIXME!!! Collision check here ? */ } +out: + if (set_shared_perm(filename, (S_IFREG|0444))) + return error("unable to set permission to '%s'", filename); return 0; } @@ -2269,7 +2286,6 @@ static void close_sha1_file(int fd) { if (fsync_object_files) fsync_or_die(fd, "sha1 file"); - fchmod(fd, 0444); if (close(fd) != 0) die("error when closing sha1 file (%s)", strerror(errno)); } @@ -2327,6 +2343,8 @@ static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen, filename = sha1_file_name(sha1); fd = create_tmpfile(tmpfile, sizeof(tmpfile), filename); + while (fd < 0 && errno == EMFILE && unuse_one_window(packed_git, -1)) + fd = create_tmpfile(tmpfile, sizeof(tmpfile), filename); if (fd < 0) { if (errno == EACCES) return error("insufficient permission for adding an object to repository database %s\n", get_object_directory()); |