Function sys_waitpid

components/lwp/lwp_syscall.c:6982–7002

* @brief Waits for the termination of a child process. * * This function makes the calling process wait until one of its child processes terminates or until a * specified condition is met. The function retrieves information about the terminated child process, * including its exit status, and can also handle other process-related events, such as stopping or * continuing execution. * * @param

 * @see sys_wait(), sys_waitid()
 */
sysret_t sys_waitpid(int32_t pid, int *status, int options)
{
    int ret = -1;
#ifdef ARCH_MM_MMU
    if (!lwp_user_accessable((void *)status, sizeof(int)))
    {
        return -EFAULT;
    }
    else
    {
        ret = lwp_waitpid(pid, status, options, RT_NULL);
    }
#else
    if (!lwp_user_accessable((void *)status, sizeof(int)))
    {
        return -EFAULT;
    }
    ret = waitpid(pid, status, options);
#endif
    return ret;
}

#if defined(RT_USING_SAL) && defined(SAL_USING_POSIX)
struct musl_addrinfo