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lockfile: add a new method, is_lock_file_locked() 

It will soon prove useful.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Michael Haggerty 2017-05-22 16:17:39 +02:00 committed by Junio C Hamano
parent 64da41993a
commit 0978f4ba7f
1 changed files with 8 additions and 0 deletions
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8
lockfile.h
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@ -175,6 +175,14 @@ static inline int hold_lock_file_for_update(
return hold_lock_file_for_update_timeout(lk, path, flags, 0);
}

/*
* Return a nonzero value iff `lk` is currently locked.
*/
static inline int is_lock_file_locked(struct lock_file *lk)
{
return is_tempfile_active(&lk->tempfile);
}

/*
* Append an appropriate error message to `buf` following the failure
* of `hold_lock_file_for_update()` to lock `path`. `err` should be the