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Cygwin: POSIX msg queues: improve error output in fixup_after_fork 

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2021-05-21 17:47:14 +02:00
parent a9c8050c36
commit 49b84cb264
1 changed files with 22 additions and 15 deletions
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37
winsup/cygwin/fhandler_mqueue.cc
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@ -136,28 +136,35 @@ fhandler_mqueue::fixup_after_fork (HANDLE parent)
SIZE_T filesize = mqinfo ()->mqi_sectsize;
NTSTATUS status;
DuplicateHandle (parent, mqinfo ()->mqi_sect,
GetCurrentProcess (), &mqinfo ()->mqi_sect,
0, FALSE, DUPLICATE_SAME_ACCESS);
if (!DuplicateHandle (parent, mqinfo ()->mqi_sect,
GetCurrentProcess (), &mqinfo ()->mqi_sect,
0, FALSE, DUPLICATE_SAME_ACCESS))
__leave;
status = NtMapViewOfSection (mqinfo ()->mqi_sect, NtCurrentProcess (),
&mptr, 0, filesize, NULL, &filesize,
ViewShare, 0, PAGE_READWRITE);
if (!NT_SUCCESS (status))
api_fatal ("Mapping message queue failed in fork\n");
else
mqinfo ()->mqi_hdr = (struct mq_hdr *) mptr;
DuplicateHandle (parent, mqinfo ()->mqi_waitsend,
GetCurrentProcess (), &mqinfo ()->mqi_waitsend,
0, FALSE, DUPLICATE_SAME_ACCESS);
DuplicateHandle (parent, mqinfo ()->mqi_waitrecv,
GetCurrentProcess (), &mqinfo ()->mqi_waitrecv,
0, FALSE, DUPLICATE_SAME_ACCESS);
DuplicateHandle (parent, mqinfo ()->mqi_lock,
GetCurrentProcess (), &mqinfo ()->mqi_lock,
0, FALSE, DUPLICATE_SAME_ACCESS);
api_fatal ("Mapping message queue failed in fork, status 0x%x\n",
status);
mqinfo ()->mqi_hdr = (struct mq_hdr *) mptr;
if (!DuplicateHandle (parent, mqinfo ()->mqi_waitsend,
GetCurrentProcess (), &mqinfo ()->mqi_waitsend,
0, FALSE, DUPLICATE_SAME_ACCESS))
__leave;
if (!DuplicateHandle (parent, mqinfo ()->mqi_waitrecv,
GetCurrentProcess (), &mqinfo ()->mqi_waitrecv,
0, FALSE, DUPLICATE_SAME_ACCESS))
__leave;
if (!DuplicateHandle (parent, mqinfo ()->mqi_lock,
GetCurrentProcess (), &mqinfo ()->mqi_lock,
0, FALSE, DUPLICATE_SAME_ACCESS))
__leave;
return;
}
__except (EFAULT) {}
__endtry
api_fatal ("Creating IPC object failed in fork, %E");
}
int