Visit Our UNIX and Linux User Community

Linux and UNIX Man Pages

Test Your Knowledge in Computers #156
Difficulty: Easy
The first two-network TCP/IP communications test was performed between Stanford and University College London, in 1975.
True or False?
Linux & Unix Commands - Search Man Pages

dlerror(3) [bsd man page]

DLERROR(3)						     Linux Programmer's Manual							DLERROR(3)

NAME
dlerror - obtain error diagnostic for functions in the dlopen API SYNOPSIS
#include <dlfcn.h> char *dlerror(void); Link with -ldl. DESCRIPTION
The dlerror() function returns a human-readable, null-terminated string describing the most recent error that occurred from a call to one of the functions in the dlopen API since the last call to dlerror(). The returned string does not include a trailing newline. dlerror() returns NULL if no errors have occurred since initialization or since it was last called. VERSIONS
dlerror() is present in glibc 2.0 and later. ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7). +----------+---------------+---------+ |Interface | Attribute | Value | +----------+---------------+---------+ |dlerror() | Thread safety | MT-Safe | +----------+---------------+---------+ CONFORMING TO
POSIX.1-2001. NOTES
The message returned by dlerror() may reside in a statically allocated buffer that is overwritten by subsequent dlerror() calls. History This function is part of the dlopen API, derived from SunOS. EXAMPLE
See dlopen(3). SEE ALSO
dladdr(3), dlinfo(3), dlopen(3), dlsym(3) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. Linux 2017-09-15 DLERROR(3)

Check Out this Related Man Page

DLERROR(3)						     Linux Programmer's Manual							DLERROR(3)

NAME
dlerror - obtain error diagnostic for functions in the dlopen API SYNOPSIS
#include <dlfcn.h> char *dlerror(void); Link with -ldl. DESCRIPTION
The dlerror() function returns a human-readable, null-terminated string describing the most recent error that occurred from a call to one of the functions in the dlopen API since the last call to dlerror(). The returned string does not include a trailing newline. dlerror() returns NULL if no errors have occurred since initialization or since it was last called. VERSIONS
dlerror() is present in glibc 2.0 and later. ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7). +----------+---------------+---------+ |Interface | Attribute | Value | +----------+---------------+---------+ |dlerror() | Thread safety | MT-Safe | +----------+---------------+---------+ CONFORMING TO
POSIX.1-2001. NOTES
The message returned by dlerror() may reside in a statically allocated buffer that is overwritten by subsequent dlerror() calls. History This function is part of the dlopen API, derived from SunOS. EXAMPLE
See dlopen(3). SEE ALSO
dladdr(3), dlinfo(3), dlopen(3), dlsym(3) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. Linux 2017-09-15 DLERROR(3)

5 More Discussions You Might Find Interesting

1. Programming

dlopen failed!

I can open my so file successfully by calling dlopen directly in my main function. But if I fork a child process, and call dlopen in child process, it failed! I don't know why. Following is my code: #include <stdio.h> #include <errno.h> #include <dlfcn.h> void childFunc(void) { void... (1 Reply)
Discussion started by: virmin
1 Replies

2. Programming

Can't dlopen() a library containing Thread Local Storage

Hi, I have a small test c program which tries to dlopen a shared library(libjvm.sl). But i get error as "Can't dlopen() a library containing Thread Local Storage" My program is as below when i run the program i get error any pointers why the error?? I am using hp-ux . The... (1 Reply)
Discussion started by: shriashishpatil
1 Replies

3. Programming

compile error while using dlopen

Hi unix lovers, I am getting error while compile a function which uses dlopen. My code is I am getting error as follows Am I missing something? I think I am missing a lot :-) I am using solaris. Thanks in advance, -Ashish (5 Replies)
Discussion started by: shriashishpatil
5 Replies

4. Programming

resolve_symbols: loader error: dlopen:

when i try to run an executable i got the following error message: resolve_symbols: loader error: dlopen: what does this error mean and what should be done to avoid this? with regards (1 Reply)
Discussion started by: gfhgfnhhn
1 Replies

5. Programming

dlopen Linux vs. OSX

I've got a C++ program and some plugins ( shared objects ) that I have been developing for Linux. I was originally using and OSX machine to develop and test most of the code. I use dlopen to open the shared objects and then call methods from them. It behaves differently on Linux ( don't know the... (3 Replies)
Discussion started by: rfkrakora
3 Replies

Featured Tech Videos