static void remove_lock_file_on_signal(int signo)
{
remove_lock_file();
+ signal(SIGINT, SIG_DFL);
+ raise(signo);
}
int hold_index_file_for_update(struct cache_file *cf, const char *path)
{
+ int fd;
sprintf(cf->lockfile, "%s.lock", path);
- cf->next = cache_file_list;
- cache_file_list = cf;
- if (!cf->next) {
+ fd = open(cf->lockfile, O_RDWR | O_CREAT | O_EXCL, 0666);
+ if (fd >=0 && !cf->next) {
+ cf->next = cache_file_list;
+ cache_file_list = cf;
signal(SIGINT, remove_lock_file_on_signal);
atexit(remove_lock_file);
}
- return open(cf->lockfile, O_RDWR | O_CREAT | O_EXCL, 0600);
+ return fd;
}
int commit_index_file(struct cache_file *cf)