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-rw-r--r--lockfile.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/lockfile.h b/lockfile.h
index 9059e8958f..dc066d1783 100644
--- a/lockfile.h
+++ b/lockfile.h
@@ -34,6 +34,8 @@
* - active is set
* - filename holds the filename of the lockfile
* - fd holds a file descriptor open for writing to the lockfile
+ * - fp holds a pointer to an open FILE object if and only if
+ * fdopen_lock_file() has been called on the object
* - owner holds the PID of the process that locked the file
*
* - Locked, lockfile closed (after successful close_lock_file()).
@@ -56,6 +58,7 @@ struct lock_file {
struct lock_file *volatile next;
volatile sig_atomic_t active;
volatile int fd;
+ FILE *volatile fp;
volatile pid_t owner;
char on_list;
struct strbuf filename;
@@ -74,6 +77,7 @@ extern void unable_to_lock_message(const char *path, int err,
extern NORETURN void unable_to_lock_die(const char *path, int err);
extern int hold_lock_file_for_update(struct lock_file *, const char *path, int);
extern int hold_lock_file_for_append(struct lock_file *, const char *path, int);
+extern FILE *fdopen_lock_file(struct lock_file *, const char *mode);
extern char *get_locked_file_path(struct lock_file *);
extern int commit_lock_file_to(struct lock_file *, const char *path);
extern int commit_lock_file(struct lock_file *);