30 	char *lockfile = format("%s.lock", path);  in lockfile_acquire()  local
44 		int fd = open(lockfile, O_WRONLY|O_CREAT|O_EXCL|O_BINARY, 0666);  in lockfile_acquire()
47 			cc_log("lockfile_acquire: open WRONLY %s: %s", lockfile, strerror(errno));  in lockfile_acquire()
50 				if (create_parent_dirs(lockfile) == 0) {  in lockfile_acquire()
60 			fd = open(lockfile, O_RDONLY|O_BINARY);  in lockfile_acquire()
68 					       lockfile, strerror(errno));  in lockfile_acquire()
77 				cc_log("lockfile_acquire: read %s: %s", lockfile, strerror(errno));  in lockfile_acquire()
86 				cc_log("lockfile_acquire: write %s: %s", lockfile, strerror(errno));  in lockfile_acquire()
88 				x_unlink(lockfile);  in lockfile_acquire()
96 		if (symlink(my_content, lockfile) == 0) {  in lockfile_acquire()
102 		cc_log("lockfile_acquire: symlink %s: %s", lockfile, strerror(saved_errno));  in lockfile_acquire()
105 			if (create_parent_dirs(lockfile) == 0) {  in lockfile_acquire()
121 		content = x_readlink(lockfile);  in lockfile_acquire()
128 				cc_log("lockfile_acquire: readlink %s: %s", lockfile, strerror(errno));  in lockfile_acquire()
137 			       lockfile);  in lockfile_acquire()
143 		cc_log("lockfile_acquire: lock info for %s: %s", lockfile, content);  in lockfile_acquire()
150 				cc_log("lockfile_acquire: breaking %s", lockfile);  in lockfile_acquire()
152 				if (lockfile_acquire(lockfile, staleness_limit)) {  in lockfile_acquire()
154 					lockfile_release(lockfile); // Remove path.lock.lock  in lockfile_acquire()
160 			cc_log("lockfile_acquire: gave up acquiring %s", lockfile);  in lockfile_acquire()
164 		       lockfile, to_sleep);  in lockfile_acquire()
172 		cc_log("Acquired lock %s", lockfile);  in lockfile_acquire()
174 		cc_log("Failed to acquire lock %s", lockfile);  in lockfile_acquire()
176 	free(lockfile);  in lockfile_acquire()
188 	char *lockfile = format("%s.lock", path);  in lockfile_release()  local
189 	cc_log("Releasing lock %s", lockfile);  in lockfile_release()
190 	tmp_unlink(lockfile);  in lockfile_release()
191 	free(lockfile);  in lockfile_release()