我正在尝试为我的应用程序禁用核心转储，我改变了ulimit -c 0
但是，每当我尝试使用 gdb 附加到该进程时，gdb --pid=<pid>然后 gcore 我仍然会获得该应用程序的核心转储。我正在使用 bash：
-bash-3.2$ ulimit -a
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 65600
max locked memory (kbytes, -l) 50000000
max memory size (kbytes, -m) unlimited
open files (-n) 131072
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 10240
cpu time (seconds, -t) unlimited
max user processes (-u) 131072
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
-bash-3.2$ ps -ef | grep top
oracle 8951 8879 0 Mar05 ? 00:01:44 /u01/R122_EBS/fs1/FMW_Home/jrockit32 jre/bin/java -classpath /u01/R122_EBS/fs1/FMW_Home/webtier/opmn/lib/wlfullclient.jar:/u01/R122_EBS/fs1/FMW_Home/Oracle_EBS-app1/shared-libs/ebs-appsborg/WEB-INF/lib/ebsAppsborgManifest.jar:/u01/R122_EBS/fs1/EBSapps/comn/java/classes -mx256m oracle.apps.ad.tools.configuration.RegisterWLSListeners -appsuser APPS -appshost rws3510293 -appsjdbcconnectdesc jdbc:oracle:thin:@(DESCRIPTION=(ADDRESS_LIST=(LOAD_BALANCE=YES)(FAILOVER=YES)(ADDRESS=(PROTOCOL=tcp)(HOST=rws3510293.us.oracle.com)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=rahulshr))) -adtop /u01/R122_EBS/fs1/EBSapps/appl/ad/12.0.0 -wlshost rws3510293 -wlsuser weblogic -wlsport 7001 -dbsid rahulshr -dbhost rws3510293 -dbdomain us.oracle.com -dbport 1521 -outdir /u01/R122_EBS/fs1/inst/apps/rahulshr_rws3510293/appltmp/Tue_Mar_5_00_42_52_2013 -log /u01/R122_EBS/fs1/inst/apps/rahulshr_rws3510293/logs/appl/rgf/Tue_Mar_5_00_42_52_2013/adRegisterWLSListeners.log -promptmsg hide -contextfile /u01/R122_EBS/fs1/inst/apps/rahulshr_rws3510293/appl/admin/rahulshr_rws3510293.xml
oracle 23694 22895 0 Mar05 pts/0 00:00:00 top
oracle 26235 22895 0 01:51 pts/0 00:00:00 grep top
-bash-3.2$ gcore
usage: gcore [-o filename] pid
-bash-3.2$ gcore 23694
0x000000355cacbfe8 in tcsetattr () from /lib64/libc.so.6
Saved corefile core.23694
[2]+ Stopped top
-bash-3.2$ ls -l
total 2384
-rw-r--r-- 1 oracle dba 2425288 Mar 6 01:52 core.23694
drwxr----- 3 oracle dba 4096 Mar 5 03:32 oradiag_oracle
-rwxr-xr-x 1 oracle dba 20 Mar 5 04:06 test.sh
-bash-3.2$