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grep: remove #ifdef NO_PTHREADS 

This is a faithful conversion without attempting to improve
anything. That comes later.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2018-11-03 09:48:43 +01:00 committed by Junio C Hamano
parent 2e1b141a01
commit 4002e87cb2
3 changed files with 22 additions and 49 deletions
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59
builtin/grep.c
View File

@ -34,7 +34,6 @@ static int recurse_submodules;
#define GREP_NUM_THREADS_DEFAULT 8
static int num_threads;
#ifndef NO_PTHREADS
static pthread_t *threads;
/* We use one producer thread and THREADS consumer
@ -234,6 +233,9 @@ static int wait_all(void)
int hit = 0;
int i;
if (!HAVE_THREADS)
return 0;
grep_lock();
all_work_added = 1;
@ -265,13 +267,6 @@ static int wait_all(void)
return hit;
}
#else /* !NO_PTHREADS */
static int wait_all(void)
{
return 0;
}
#endif
static int grep_cmd_config(const char *var, const char *value, void *cb)
{
@ -284,8 +279,7 @@ static int grep_cmd_config(const char *var, const char *value, void *cb)
if (num_threads < 0)
die(_("invalid number of threads specified (%d) for %s"),
num_threads, var);
#ifdef NO_PTHREADS
else if (num_threads && num_threads != 1) {
else if (!HAVE_THREADS && num_threads && num_threads != 1) {
/*
* TRANSLATORS: %s is the configuration
* variable for tweaking threads, currently
@ -294,7 +288,6 @@ static int grep_cmd_config(const char *var, const char *value, void *cb)
warning(_("no threads support, ignoring %s"), var);
num_threads = 0;
}
#endif
}
if (!strcmp(var, "submodule.recurse"))
@ -330,17 +323,14 @@ static int grep_oid(struct grep_opt *opt, const struct object_id *oid,
grep_source_init(&gs, GREP_SOURCE_OID, pathbuf.buf, path, oid);
strbuf_release(&pathbuf);
#ifndef NO_PTHREADS
if (num_threads) {
if (HAVE_THREADS && num_threads) {
/*
* add_work() copies gs and thus assumes ownership of
* its fields, so do not call grep_source_clear()
*/
add_work(opt, &gs);
return 0;
} else
#endif
{
} else {
int hit;
hit = grep_source(opt, &gs);
@ -363,17 +353,14 @@ static int grep_file(struct grep_opt *opt, const char *filename)
grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename, filename);
strbuf_release(&buf);
#ifndef NO_PTHREADS
if (num_threads) {
if (HAVE_THREADS && num_threads) {
/*
* add_work() copies gs and thus assumes ownership of
* its fields, so do not call grep_source_clear()
*/
add_work(opt, &gs);
return 0;
} else
#endif
{
} else {
int hit;
hit = grep_source(opt, &gs);
@ -1038,20 +1025,20 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
pathspec.recursive = 1;
pathspec.recurse_submodules = !!recurse_submodules;
#ifndef NO_PTHREADS
if (list.nr || cached || show_in_pager)
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;
} else {
if (num_threads)
warning(_("no threads support, ignoring --threads"));
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;
#else
if (num_threads)
warning(_("no threads support, ignoring --threads"));
num_threads = 0;
#endif
}
if (!num_threads)
/*
@ -1062,15 +1049,13 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
*/
compile_grep_patterns(&opt);
#ifndef NO_PTHREADS
if (num_threads) {
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);
}
#endif
if (show_in_pager && (cached || list.nr))
die(_("--open-files-in-pager only works on the worktree"));

6
grep.c
View File

@ -1513,7 +1513,6 @@ static void show_line(struct grep_opt *opt, char *bol, char *eol,
}
}
#ifndef NO_PTHREADS
int grep_use_locks;
/*
@ -1539,11 +1538,6 @@ static inline void grep_attr_unlock(void)
*/
pthread_mutex_t grep_read_mutex;
#else
#define grep_attr_lock()
#define grep_attr_unlock()
#endif
static int match_funcname(struct grep_opt *opt, struct grep_source *gs, char *bol, char *eol)
{
xdemitconf_t *xecfg = opt->priv;

6
grep.h
View File

@ -229,7 +229,6 @@ int grep_source(struct grep_opt *opt, struct grep_source *gs);
extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
extern int grep_threads_ok(const struct grep_opt *opt);
#ifndef NO_PTHREADS
/*
* Mutex used around access to the attributes machinery if
* opt->use_threads. Must be initialized/destroyed by callers!
@ -250,9 +249,4 @@ static inline void grep_read_unlock(void)
pthread_mutex_unlock(&grep_read_mutex);
}
#else
#define grep_read_lock()
#define grep_read_unlock()
#endif
#endif