12-04-2006
dlclose crashing in 64bit
Hi
I have a 64bit C++ dynamic component built using Sun Forte compiler(CC) on one server.
I am opening this shared component using dlopen and checking if a particular function is defined or not. After that, when I am closing the component using dlclose, the program is crashing.
The crash occurs only on some systems, more specifically when I run the program on another system where the shared object was not built
When I do the dlclose on the system on which the shared object was built, the application does not crash ??
I get the following error message :
Fault signal: SIGBUS (10), invalid address alignment.
At instruction address 0xffffffff7e64f4a8, faulting access address is 0x4e5352532eb264cc
Symbolic location: "realloc + 0x474 [/usr/lib/sparcv9/libc.so.1]"
------ Concluding frames leaf call (n=1) ------
# 0 0x7e64f4a8 realloc + 0x474 [/usr/lib/sparcv9/libc.so.1]
[0x1,0x1f3620,0x1,0x1f3620,0x1,....]
# 1 0x7e64f444 realloc + 0x410 [/usr/lib/sparcv9/libc.so.1]
Thanks in advance
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LEARN ABOUT SUNOS
libplot
libplot(3LIB) Interface Libraries libplot(3LIB)
NAME
libplot, lib300, lib300s, lib4014, lib450, libvt0 - graphics interface libraries
SYNOPSIS
cc [ flag... ] file... -lplot [ library... ]
#include <plot.h>
DESCRIPTION
Functions in this library generate graphics output.
INTERFACES
The shared object libplot.so.1 provides the public interfaces defined below. See intro(3) for additional information on shared object
interfaces.
arc box
circle closepl
closevt cont
erase label
line linemod
move openpl
openvt point
space
FILES
/usr/lib/libplot.so.1 shared object
/usr/lib/64/libplot.so.1 64-bit shared object
/usr/lib/lib300.so.1 shared object
/usr/lib/64/lib300.so.1 64-bit shared object
/usr/lib/lib300s.so.1 shared object
/usr/lib/64/lib300s.so.1 64-bit shared object
/usr/lib/lib4014.so.1 shared object
/usr/lib/64/lib4014.so.1 64-bit shared object
/usr/lib/lib450.so.1 shared object
/usr/lib/64/lib450.so.1 64-bit shared object
/usr/lib/libvt0.so.1 shared object
/usr/lib/64/libvt0.so.1 64-bit shared object
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsl (32-bit) |
+-----------------------------+-----------------------------+
| |SUNWcslx (64-bit) |
+-----------------------------+-----------------------------+
|MT-Level |Unsafe |
+-----------------------------+-----------------------------+
SEE ALSO
pvs(1), intro(3), attributes(5)
SunOS 5.10 13 Jun 2003 libplot(3LIB)