Function sys_getpid

components/lwp/lwp_syscall.c:1500–1503

* @brief Retrieves the process ID of the calling process. * * This system call returns the process ID (PID) of the calling process. The PID is a * unique identifier assigned by the operating system to each running process. It can * be used to refer to or manipulate the process in subsequent system calls. * * @return The PID of the calling process. On failure, returns `-1` and sets `errno` *

 * @see getppid(), getuid(), getgid()
 */
sysret_t sys_getpid(void)
{
    return lwp_getpid();
}

/**
 * @brief Retrieves the parent process ID of the calling process.