dlclose reports ENOENT with simple code

[Corinna Vinschen]

On Mar 31 11:25, Duncan Roe via Cygwin wrote:
> On Sun, Mar 30, 2025 at 05:32:44PM +0800, cygwin wrote:
> > Code to reproduce:
> >
> >
> > #include <dlfcn.h>
> > #include <assert.h>
> > #include <stdio.h>
> > #include <stdlib.h>
> >
> > int main() {
> >     void* handle = dlopen("/usr/bin/cygwin1.dll", RTLD_LAZY | RTLD_LOCAL);
> >     if (!handle)
> >     {
> >         printf("dlopen: %s\n", dlerror());
> >         exit(1);
> >     }
> >     int res = dlclose(handle);
> >     if (res != 0)
> >     {
> >         printf("dlclose: %s\n", dlerror());
> >         exit(1);
> >     }
> > }
> >
> >
> > The program should succeed, but now it fails with "dlclose: No such file or
> > directory".
> >
> >
> > --
> > Problem reports:      https://cygwin.com/problems.html
> > FAQ:                  https://cygwin.com/faq/
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> 
> Reproduces here. uname -r reports 3.6.0-1.x86_64

https://sourceware.org/pipermail/cygwin-patches/2025q1/013584.html


Corinna