(PHP 4 >= 4.1.0, PHP 5, PHP 7)
pcntl_waitpid — 锟饺达拷锟津返伙拷fork锟斤拷锟接斤拷锟斤拷状态
$pid
, int &$status
[, int $options = 0
] ) : int
锟斤拷锟斤拷前锟斤拷锟教碉拷执锟斤拷直锟斤拷锟斤拷锟斤拷pid指锟斤拷锟侥斤拷锟教号的斤拷锟斤拷锟剿筹拷锟斤拷
锟斤拷锟斤拷盏锟揭伙拷锟斤拷藕锟揭拷锟斤拷卸系锟角帮拷锟斤拷袒锟斤拷锟斤拷一锟斤拷锟脚号达拷锟斤拷锟斤拷锟斤拷
锟斤拷锟�pid指锟斤拷锟斤拷锟接斤拷锟斤拷锟节此猴拷锟斤拷锟斤拷锟斤拷时锟窖撅拷锟剿筹拷锟斤拷锟阶称斤拷尸锟斤拷锟教ｏ拷锟斤拷锟剿猴拷锟斤拷
锟斤拷锟斤拷锟教凤拷锟截★拷锟斤拷锟斤拷waitpid锟斤拷锟斤拷细锟侥规范锟斤拷渭锟斤拷锟较低筹拷锟絯aitpid锟斤拷2锟斤拷锟街册。
pid
锟斤拷锟斤拷pid锟斤拷值锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷之一锟斤拷
| < -1 |
锟饺达拷锟斤拷锟斤拷锟斤拷锟斤拷锟絀D锟斤拷锟节诧拷锟斤拷pid锟斤拷锟斤拷值锟侥撅拷锟斤拷值锟侥斤拷锟教★拷
|
| -1 | 锟饺达拷锟斤拷锟斤拷锟接斤拷锟斤拷;锟斤拷pcntl_wait锟斤拷锟斤拷锟斤拷为一锟铰★拷 |
| 0 | 锟饺达拷锟斤拷锟斤拷锟斤拷锟斤拷媒锟斤拷锟斤拷锟絀D锟斤拷同锟斤拷锟接斤拷锟教★拷 |
| > 0 |
锟饺达拷锟斤拷锟教号碉拷锟节诧拷锟斤拷pid值锟斤拷锟接斤拷锟教★拷
|
Note:
指锟斤拷-1锟斤拷为
pid锟斤拷值锟斤拷同锟斤拷pcntl_wait() 锟结供(锟斤拷锟斤拷options)锟斤拷
status
pcntl_waitpid()锟斤拷锟斤拷娲⒆刺拷锟较拷锟�status
锟斤拷锟斤拷锟较ｏ拷锟斤拷锟酵拷锟�status锟斤拷锟斤拷锟斤拷锟截碉拷状态锟斤拷息锟斤拷锟斤拷锟斤拷锟斤拷锟铰猴拷锟斤拷
pcntl_wifexited(),
pcntl_wifstopped(),
pcntl_wifsignaled(),
pcntl_wexitstatus(),
pcntl_wtermsig()锟皆硷拷
pcntl_wstopsig()锟斤拷取锟斤拷锟斤拷锟斤拷值锟斤拷
options
锟斤拷锟斤拷锟斤拷牟锟斤拷锟较低筹拷锟斤拷锟斤拷锟紹SD锟斤拷系统锟斤拷锟斤拷锟斤拷使锟斤拷wait3锟斤拷锟斤拷锟斤拷锟斤拷锟结供锟斤拷选锟斤拷options
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷没锟斤拷锟结供锟斤拷wait锟斤拷锟结被锟斤拷锟斤拷系统锟斤拷锟矫★拷锟斤拷锟絯ait3锟斤拷锟斤拷锟矫ｏ拷锟结供锟斤拷锟斤拷
options锟斤拷锟斤拷锟斤拷锟轿猴拷效锟斤拷锟斤拷options锟斤拷值锟斤拷锟斤拷锟斤拷0
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷"锟斤拷锟斤拷锟斤拷"锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷宥硷拷锟叫э拷锟斤拷锟�
| WNOHANG | 锟斤拷锟矫伙拷锟斤拷咏锟斤拷锟斤拷顺锟斤拷锟斤拷谭锟斤拷亍锟� |
| WUNTRACED | 锟接斤拷锟斤拷锟窖撅拷锟剿筹拷锟斤拷锟斤拷锟斤拷状态未锟斤拷锟斤拷时锟斤拷锟截★拷 |
pcntl_waitpid()锟斤拷锟斤拷锟剿筹拷锟斤拷锟接斤拷锟教斤拷锟教号ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷时锟斤拷锟斤拷-1,锟斤拷锟斤拷峁╋拷锟�
WNOHANG锟斤拷为option锟斤拷wait3锟斤拷锟矫碉拷系统锟斤拷锟斤拷锟斤拷没锟叫匡拷锟斤拷锟接斤拷锟斤拷时锟斤拷锟斤拷0锟斤拷