Function private_log_file_open

src/daemon/ipc.c:1550–1567

}

static int private_log_file_open(int directory_fd, const char *base_name, struct stat *status_out) {
    int flags = O_WRONLY | O_APPEND | O_CLOEXEC | O_NOFOLLOW | O_NONBLOCK;
    int fd = openat(directory_fd, base_name, flags | O_CREAT | O_EXCL, 0600);
    if (fd < 0 && errno == EEXIST) {
        fd = openat(directory_fd, base_name, flags);
    }
    struct stat status;
    if (fd < 0 || !fd_set_cloexec(fd) || fchmod(fd, 0600) != 0 ||
        !private_regular_file_snapshot(directory_fd, base_name, fd, 1, &status) ||
        status.st_size < 0) {
        if (fd >= 0) {
            (void)close(fd);
        }
        return -1;
    }
    *status_out = status;
    return fd;
}

FILE *cbm_daemon_ipc_private_log_open(const char *directory_path, const char *base_name,
                                      size_t rotate_cap_bytes) {