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PID 的代码
figc.7
#include "apue.h"
static void f1(void), f2(void);
int
main(void)
{
f1();
f2();
_exit(0);
}
static void
f1(void)
{
pid_t pid;
if ((pid = vfork()) < 0)
err_sys("vfork error");
/* child and p
wait.c
/*
* linux/lib/wait.c
*
* (C) 1991 Linus Torvalds
*/
#define __LIBRARY__
#include
#include
_syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
pid_t wait(i
fig1.10
#include "apue.h"
#include
static void sig_int(int); /* our signal-catching function */
int
main(void)
{
char buf[MAXLINE]; /* from apue.h */
pid_t pid;
int status;
if (signal(SI
init.c
#include "apue.h"
#include
#include
#include
void
daemonize(const char *cmd)
{
int i, fd0, fd1, fd2;
pid_t pid;
struct rlimit rl;
struct sigaction sa
orphan3.c
#include "apue.h"
#include
static void
sig_hup(int signo)
{
printf("SIGHUP received, pid = %d\n", getpid());
}
static void
pr_ids(char *name)
{
printf("%s: pid = %d, ppid = %d, pgrp = %d
aci3_2.map
******************************************************************************
TMS320C24xx COFF Linker Version 7.02
*****************************************************
chap2_7f.m
%PID Controler Based on Ziegler-Nichols
clear all;
close all;
sys=tf(400,[1,30,200,0]);
figure(1);
rlocus(sys);
[km,pole]=rlocfind(sys)
wm=imag(pole(2));
kp=0.6*km
kd=kp*pi/(4*wm)
ki=k
wait.c
#define __LIBRARY__
#include
#include
_syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
pid_t wait(int * wait_stat)
{
return waitpid(-1,wait_stat,0);
}
chap2_7f.m
%PID Controler Based on Ziegler-Nichols
clear all;
close all;
sys=tf(400,[1,30,200,0]);
figure(1);
rlocus(sys);
[km,pole]=rlocfind(sys)
wm=imag(pole(2));
kp=0.6*km
kd=kp*pi/(4*wm)
ki=k
process.cpp
#include
#include
#define ESC 27
#define SPACE 32
#define COMMAND_COUNT 6
#define W_PROCEEE_ARRAY_LENGTH 15
#define PRINTPCB printf("%d\t%s\t%d\t%d\t%s",q->pcb,q->name,