From: Martin Ågren <martin.agren@gmail.com>
Date: Tue, 27 Feb 2018 21:30:09 +0000 (+0100)
Subject: sequencer: make lockfiles non-static
X-Git-Tag: v2.17.0-rc0~16^2~4
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=14bca6c63cec3bd6e9b636fd1ff5b0ea2bd5edce;p=git

sequencer: make lockfiles non-static

After 076aa2cbd (tempfile: auto-allocate tempfiles on heap, 2017-09-05),
we can have lockfiles on the stack.

One of these functions fails to always roll back the lock. That will be
fixed in the next commit.

Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/sequencer.c b/sequencer.c
index e9baaf59bd..d9f865926d 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -339,7 +339,7 @@ static void print_advice(int show_hint, struct replay_opts *opts)
 static int write_message(const void *buf, size_t len, const char *filename,
 			 int append_eol)
 {
-	static struct lock_file msg_file;
+	struct lock_file msg_file = LOCK_INIT;
 
 	int msg_fd = hold_lock_file_for_update(&msg_file, filename, 0);
 	if (msg_fd < 0)
@@ -485,7 +485,7 @@ static int do_recursive_merge(struct commit *base, struct commit *next,
 	struct tree *result, *next_tree, *base_tree, *head_tree;
 	int clean;
 	char **xopt;
-	static struct lock_file index_lock;
+	struct lock_file index_lock = LOCK_INIT;
 
 	if (hold_locked_index(&index_lock, LOCK_REPORT_ON_ERROR) < 0)
 		return -1;
@@ -1705,7 +1705,7 @@ static int prepare_revs(struct replay_opts *opts)
 
 static int read_and_refresh_cache(struct replay_opts *opts)
 {
-	static struct lock_file index_lock;
+	struct lock_file index_lock = LOCK_INIT;
 	int index_fd = hold_locked_index(&index_lock, 0);
 	if (read_index_preload(&the_index, NULL) < 0) {
 		rollback_lock_file(&index_lock);
@@ -2099,7 +2099,7 @@ static int create_seq_dir(void)
 
 static int save_head(const char *head)
 {
-	static struct lock_file head_lock;
+	struct lock_file head_lock = LOCK_INIT;
 	struct strbuf buf = STRBUF_INIT;
 	int fd;
 	ssize_t written;
@@ -2224,7 +2224,7 @@ fail:
 
 static int save_todo(struct todo_list *todo_list, struct replay_opts *opts)
 {
-	static struct lock_file todo_lock;
+	struct lock_file todo_lock = LOCK_INIT;
 	const char *todo_path = get_todo_path(opts);
 	int next = todo_list->current, offset, fd;