dlopen 里面异常问题怎么解决？求助大家（RedHat AS 2.1 ）
编写了一个动态库，在程序中第二次dlopen （之前已经dlclose）时候，异常退出，现象如下
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1024 (LWP 18605)]
_dl_lookup_symbol (undef_name=0x4037a74c "_nc_outch", undef_map=0x80503a0,
ref=0xbffeb94c, symbol_scope=0x805053c, type_class=0, explicit=0)
at do-lookup.h:52
52 do-lookup.h: No such file or directory.
in do-lookup.h
Current language: auto; currently c
(gdb) where
#0 _dl_lookup_symbol (undef_name=0x4037a74c "_nc_outch", undef_map=0x80503a0,
ref=0xbffeb94c, symbol_scope=0x805053c, type_class=0, explicit=0)
at do-lookup.h:52
#1 0x4000bb91 in _dl_relocate_object ()
at ../sysdeps/i386/i486/bits/string.h:135
#2 0x401dcd29 in dl_open_worker (a=0xbffebbe0) at dl-open.c:294
#3 0x4000d7c3 in _dl_catch_error (objname=0xbffebbd8, errstring=0xbffebbdc,
operate=0x401dc860 <dl_open_worker>, args=0xbffebbe0) at dl-error.c:152
#4 0x401dce7e in _dl_open (
file=0xbffebdb0 "/home/zzl/JITCrypt/lib_da/libjitcrypt.so",
mode=-2147483647, caller=0x8049269) at dl-open.c:407
#5 0x40045375 in dlopen_doit (a=0xbffebd50) at dlopen.c:39
#6 0x4000d7c3 in _dl_catch_error (objname=0x8050308, errstring=0x805030c,
operate=0x40045340 <dlopen_doit>, args=0xbffebd50) at dl-error.c:152
#7 0x400456fb in _dlerror_run (operate=0x40045340 <dlopen_doit>,
args=0xbffebd50) at dlerror.c:130
#8 0x40045326 in __dlopen_check (
file=0xbffebdb0 "/home/zzl/libmycrypt.so", mode=1)
at dlopen.c:53
试验了另外的几个库，没有这个问题，但是应该如何定位，解决这个问题呢？
盼望回复
问题点数：100、回复次数：4Top
1 楼gettext（冰雪之崖）回复于 2005-06-03 08:40:53 得分 50
是用RTLD_LAZY方式dlopen的把，改称RTLD_NOW试一下。Top
2 楼sharkhuang（走吧走吧！人总会慢慢长大～）回复于 2005-06-03 08:48:03 得分 50
打开方式可能会有点关系Top
3 楼sun_star221（黑子）回复于 2005-06-03 12:05:48 得分 0
问题解决了，是编译参数的问题，makefile中连接参数问题 -lcursesTop
4 楼sun_star221（黑子）回复于 2005-06-03 12:07:15 得分 0
谢谢上面关注的朋友Top
