zhyang-dev/openfoam
1
0
Fork 0
mirror of https://develop.openfoam.com/Development/openfoam.git synced 2025-11-28 03:28:01 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

BUG: must use dlerror() to clear prev errors before using dlsym()

Browse Source
This commit is contained in:
Mark Olesen
2011-02-25 18:18:41 +01:00
parent 0484d1b25b
commit b8f643f3da
1 changed files with 9 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/OSspecific/POSIX/POSIX.C
View File

@ -1086,15 +1086,22 @@ bool Foam::dlClose(void* handle)
void* Foam::dlSym(void* handle, const std::string& symbol)
{
// clear any old errors - see manpage dlopen
(void) ::dlerror();
// get address of symbol
void* fun = ::dlsym(handle, symbol.c_str());
char *error;
if ((error = dlerror()) != NULL)
// find error (if any)
char *error = ::dlerror();
if (error)
{
WarningIn("dlSym(void*, const std::string&)")
<< "Cannot lookup symbol " << symbol << " : " << error
<< endl;
}
return fun;
}