别忘了在disown之前执行bg命令,否则进程会一直stopped
今天在Linux下测试程序,是直接执行的命令,如下所示:
[root@NODE22 bin]# ./cap
#======= CAP v20120216f =======#
prog-path: /root/work22/ct08/bin/
prog-name: cap
cfg_name='../cfg/cap.cfg'
loadconfig ok
checkconfig ok
System::Init ok
cap start ok, pid 8342
想到这个程序要在我下班之后继续执行,于是我就按下了Ctrl+Z
[1]+ Stopped ./cap
因为我准备关闭SecureCRT准备收工了,所以决定让它脱离我这个终端,执行了disown来做这件事
[root@NODE22 bin]# disown %1
-bash: warning: deleting stopped job 1 with process group 8342
[root@NODE22 bin]#
看看这个操作灵不灵,我看了一下日志,发现日志没有继续往下记录,正常情况应该往下记录的。
想起来,没有在disown之前执行bg命令,程序已经处于Stopped状态(看disown命令的输出),得让它继续往下执行
[root@NODE22 bin]# killall -CONT cap
日志也正常了。切记啊,切记啊:别忘了在disown之前执行bg命令
本文地址: http://codingstandards.iteye.com/blog/1408321
相关帮助信息:
[root@NODE22 eap_designer]# help disown
disown: disown [-h] [-ar] [jobspec ...]
By default, removes each JOBSPEC argument from the table of active jobs.
If the -h option is given, the job is not removed from the table, but is
marked so that SIGHUP is not sent to the job if the shell receives a
SIGHUP. The -a option, when JOBSPEC is not supplied, means to remove all
jobs from the job table; the -r option means to remove only running jobs.
[root@NODE22 eap_designer]# help bg
bg: bg [job_spec ...]
Place each JOB_SPEC in the background, as if it had been started with
`&'. If JOB_SPEC is not present, the shell's notion of the current
job is used.
[root@NODE22 eap_designer]# help fg
fg: fg [job_spec]
Place JOB_SPEC in the foreground, and make it the current job. If
JOB_SPEC is not present, the shell's notion of the current job is
used.
[root@NODE22 eap_designer]# help jobs
jobs: jobs [-lnprs] [jobspec ...] or jobs -x command [args]
Lists the active jobs. The -l option lists process id's in addition
to the normal information; the -p option lists process id's only.
If -n is given, only processes that have changed status since the last
notification are printed. JOBSPEC restricts output to that job. The
-r and -s options restrict output to running and stopped jobs only,
respectively. Without options, the status of all active jobs is
printed. If -x is given, COMMAND is run after all job specifications
that appear in ARGS have been replaced with the process ID of that job's
process group leader.
[root@NODE22 eap_designer]#
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