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-rw-r--r--cache.h1
-rw-r--r--lockfile.c6
2 files changed, 6 insertions, 1 deletions
diff --git a/cache.h b/cache.h
index 8c804cb..faddaf6 100644
--- a/cache.h
+++ b/cache.h
@@ -209,6 +209,7 @@ extern int refresh_cache(unsigned int flags);
struct lock_file {
struct lock_file *next;
+ pid_t owner;
char on_list;
char filename[PATH_MAX];
};
diff --git a/lockfile.c b/lockfile.c
index bed6b21..23db35a 100644
--- a/lockfile.c
+++ b/lockfile.c
@@ -8,8 +8,11 @@ static const char *alternate_index_output;
static void remove_lock_file(void)
{
+ pid_t me = getpid();
+
while (lock_file_list) {
- if (lock_file_list->filename[0])
+ if (lock_file_list->owner == me &&
+ lock_file_list->filename[0])
unlink(lock_file_list->filename);
lock_file_list = lock_file_list->next;
}
@@ -28,6 +31,7 @@ static int lock_file(struct lock_file *lk, const char *path)
sprintf(lk->filename, "%s.lock", path);
fd = open(lk->filename, O_RDWR | O_CREAT | O_EXCL, 0666);
if (0 <= fd) {
+ lk->owner = getpid();
if (!lk->on_list) {
lk->next = lock_file_list;
lock_file_list = lk;