2009年8月30日 · The deeper problem is misunderstanding the service provided by dlopen() and dlsym(), etc. – Jonathan ...

the dlopen's declaration look like, void *dlopen(const char *filename, int flag); if you set the para 'filename' as shared library's name , you should add you current path into the 'LD_LIBRARY_PATH'.for instance,

2014年5月14日 · I wrote next program: #include <iostream> #include <dlfcn.h> int main(int argc, char** argv) { typedef void* (*fptr)(); fptr func; void *handle = dlopen(0, RTLD_NOW); ...

2011年7月8日 · On some ELF systems (notably Linux), you can dlopen() PIE executables. When using GCC, just compile the executable with -fpie or -fPIE , and link it with -pie , and export the appropriate symbols using --dynamic-list or -rdynamic (explained in …

I work in Linux with C++ (Eclipse), and want to use a library. Eclipse shows me an error: undefined reference to 'dlopen' Do you know a solution? Here is my code: #include &lt;stdlib.h&gt; #

2017年11月6日 · The GNU source code of dlopen is of course freely available, but that does not make it independent of an operating system. The maximum degree of OS independence you can achieve in C is obtained by restricting yourself to software that you can write entirely with the resources of the Standard C Library .

2011年1月12日 · dlopen and dlclose memory management in C appln. 1. access dlopen flags. 2. dlopen/LoadLibrary on same ...

2013年7月19日 · Read the dlopen(3) man page (e.g. by typing man dlopen in a terminal on your machine): If filename contains a slash ("/"), then it is interpreted as a (relative or absolute) pathname. Otherwise, the dynamic linker searches for …

2015年8月31日 · dlopen isn't a system call, it's a library function in the libdl library.Only system calls show up in strace.. On Linux and on many other platforms (especially those that use the ELF format for executables), dlopen is implemented by opening the target library with open() and mapping it into memory with mmap().

2013年4月24日 · Upon successful verification, I would like to pass the descriptor to dlopen so the dynamic loader loads the shared object properly. I don't want to close the file then re-open it via dlopen because it could introduce a race condition (where the file verified is not the same file opened and executed).