static inline void grep_lock(void)
{
- assert(num_threads);
pthread_mutex_lock(&grep_mutex);
}
static inline void grep_unlock(void)
{
- assert(num_threads);
pthread_mutex_unlock(&grep_mutex);
}
int i;
if (!HAVE_THREADS)
- return 0;
+ BUG("Never call this function unless you have started threads");
grep_lock();
all_work_added = 1;
if (num_threads < 0)
die(_("invalid number of threads specified (%d) for %s"),
num_threads, var);
- else if (!HAVE_THREADS && num_threads && num_threads != 1) {
+ else if (!HAVE_THREADS && num_threads > 1) {
/*
* TRANSLATORS: %s is the configuration
* variable for tweaking threads, currently
* grep.threads
*/
warning(_("no threads support, ignoring %s"), var);
- num_threads = 0;
+ num_threads = 1;
}
}
grep_source_init(&gs, GREP_SOURCE_OID, pathbuf.buf, path, oid);
strbuf_release(&pathbuf);
- if (HAVE_THREADS && num_threads) {
+ if (num_threads > 1) {
/*
* add_work() copies gs and thus assumes ownership of
* its fields, so do not call grep_source_clear()
grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename, filename);
strbuf_release(&buf);
- if (HAVE_THREADS && num_threads) {
+ if (num_threads > 1) {
/*
* add_work() copies gs and thus assumes ownership of
* its fields, so do not call grep_source_clear()
struct repository submodule;
int hit;
- if (!is_submodule_active(superproject, path))
+ /*
+ * NEEDSWORK: submodules functions need to be protected because they
+ * access the object store via config_from_gitmodules(): the latter
+ * uses get_oid() which, for now, relies on the global the_repository
+ * object.
+ */
+ grep_read_lock();
+
+ if (!is_submodule_active(superproject, path)) {
+ grep_read_unlock();
return 0;
+ }
- if (repo_submodule_init(&submodule, superproject, path))
+ if (repo_submodule_init(&submodule, superproject, path)) {
+ grep_read_unlock();
return 0;
+ }
repo_read_gitmodules(&submodule);
* store is no longer global and instead is a member of the repository
* object.
*/
- grep_read_lock();
- add_to_alternates_memory(submodule.objects->objectdir);
+ add_to_alternates_memory(submodule.objects->odb->path);
grep_read_unlock();
if (oid) {
static int file_callback(const struct option *opt, const char *arg, int unset)
{
struct grep_opt *grep_opt = opt->value;
- int from_stdin = !strcmp(arg, "-");
+ int from_stdin;
FILE *patterns;
int lno = 0;
struct strbuf sb = STRBUF_INIT;
+ BUG_ON_OPT_NEG(unset);
+
+ from_stdin = !strcmp(arg, "-");
patterns = from_stdin ? stdin : fopen(arg, "r");
if (!patterns)
die_errno(_("cannot open '%s'"), arg);
static int not_callback(const struct option *opt, const char *arg, int unset)
{
struct grep_opt *grep_opt = opt->value;
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT);
return 0;
}
static int and_callback(const struct option *opt, const char *arg, int unset)
{
struct grep_opt *grep_opt = opt->value;
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND);
return 0;
}
static int open_callback(const struct option *opt, const char *arg, int unset)
{
struct grep_opt *grep_opt = opt->value;
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN);
return 0;
}
static int close_callback(const struct option *opt, const char *arg, int unset)
{
struct grep_opt *grep_opt = opt->value;
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN);
return 0;
}
int unset)
{
struct grep_opt *grep_opt = opt->value;
+ BUG_ON_OPT_NEG(unset);
append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN);
return 0;
}
pathspec.recursive = 1;
pathspec.recurse_submodules = !!recurse_submodules;
- if (HAVE_THREADS) {
- if (list.nr || cached || show_in_pager)
- num_threads = 0;
- else if (num_threads == 0)
- num_threads = GREP_NUM_THREADS_DEFAULT;
- else if (num_threads < 0)
- die(_("invalid number of threads specified (%d)"), num_threads);
- if (num_threads == 1)
- num_threads = 0;
+ if (list.nr || cached || show_in_pager) {
+ if (num_threads > 1)
+ warning(_("invalid option combination, ignoring --threads"));
+ num_threads = 1;
+ } else if (!HAVE_THREADS && num_threads > 1) {
+ warning(_("no threads support, ignoring --threads"));
+ num_threads = 1;
+ } else if (num_threads < 0)
+ die(_("invalid number of threads specified (%d)"), num_threads);
+ else if (num_threads == 0)
+ num_threads = HAVE_THREADS ? GREP_NUM_THREADS_DEFAULT : 1;
+
+ if (num_threads > 1) {
+ if (!HAVE_THREADS)
+ BUG("Somebody got num_threads calculation wrong!");
+ if (!(opt.name_only || opt.unmatch_name_only || opt.count)
+ && (opt.pre_context || opt.post_context ||
+ opt.file_break || opt.funcbody))
+ skip_first_line = 1;
+ start_threads(&opt);
} else {
- if (num_threads)
- warning(_("no threads support, ignoring --threads"));
- num_threads = 0;
- }
-
- if (!num_threads)
/*
* The compiled patterns on the main path are only
* used when not using threading. Otherwise
- * start_threads() below calls compile_grep_patterns()
+ * start_threads() above calls compile_grep_patterns()
* for each thread.
*/
compile_grep_patterns(&opt);
-
- if (HAVE_THREADS && num_threads) {
- if (!(opt.name_only || opt.unmatch_name_only || opt.count)
- && (opt.pre_context || opt.post_context ||
- opt.file_break || opt.funcbody))
- skip_first_line = 1;
- start_threads(&opt);
}
if (show_in_pager && (cached || list.nr))
hit = grep_objects(&opt, &pathspec, &list);
}
- if (num_threads)
+ if (num_threads > 1)
hit |= wait_all();
if (hit && show_in_pager)
run_pager(&opt, prefix);