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Cygwin: FIFO: update clone and dup

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Deal with all clients.
This commit is contained in:
Ken Brown 2019-03-22 19:30:39 +00:00 committed by Corinna Vinschen
parent c6e221c036
commit 035bf7dc84
2 changed files with 30 additions and 3 deletions
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8
winsup/cygwin/fhandler.h
View File

@ -1309,9 +1309,11 @@ public:
fhandler_fifo *clone (cygheap_types malloc_type = HEAP_FHANDLER) fhandler_fifo *clone (cygheap_types malloc_type = HEAP_FHANDLER)
{ {
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_fifo)); void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_fifo));
fhandler_fifo *fh = new (ptr) fhandler_fifo (ptr); fhandler_fifo *fhf = new (ptr) fhandler_fifo (ptr);
copyto (fh); copyto (fhf);
return fh; for (int i = 0; i < nclients; i++)
fhf->client[i].fh = client[i].fh->fhandler_base::clone ();
return fhf;
} }
}; };

25
winsup/cygwin/fhandler_fifo.cc
View File

@ -816,6 +816,31 @@ fhandler_fifo::dup (fhandler_base *child, int flags)
__seterrno (); __seterrno ();
return -1; return -1;
} }
for (int i = 0; i < nclients; i++)
{
if (!DuplicateHandle (GetCurrentProcess (), client[i].fh->get_handle (),
GetCurrentProcess (),
&fhf->client[i].fh->get_handle (),
0, true, DUPLICATE_SAME_ACCESS)
|| !DuplicateHandle (GetCurrentProcess (), client[i].connect_evt,
GetCurrentProcess (),
&fhf->client[i].connect_evt,
0, true, DUPLICATE_SAME_ACCESS)
|| !DuplicateHandle (GetCurrentProcess (), client[i].dummy_evt,
GetCurrentProcess (),
&fhf->client[i].dummy_evt,
0, true, DUPLICATE_SAME_ACCESS))
{
CloseHandle (fhf->read_ready);
CloseHandle (fhf->write_ready);
fhf->close ();
__seterrno ();
return -1;
}
}
fhf->listen_client_thr = NULL;
fhf->lct_termination_evt = NULL;
fhf->fifo_client_unlock ();
return 0; return 0;
} }