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* exceptions.cc (open_stackdumpfile): Add comments.

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Corinna Vinschen 2008-02-28 17:09:34 +00:00
parent 6965e46961
commit 5003a3d1c5
2 changed files with 8 additions and 1 deletions
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4
winsup/cygwin/ChangeLog
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@ -1,3 +1,7 @@
2008-02-28 Corinna Vinschen <corinna@vinschen.de>
* exceptions.cc (open_stackdumpfile): Add comments.
2008-02-28 Corinna Vinschen <corinna@vinschen.de> 2008-02-28 Corinna Vinschen <corinna@vinschen.de>
* exceptions.cc (open_stackdumpfile): Use NtCreateFile to create * exceptions.cc (open_stackdumpfile): Use NtCreateFile to create

5
winsup/cygwin/exceptions.cc
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@ -145,18 +145,21 @@ open_stackdumpfile ()
WCHAR corefile[strlen (p) + sizeof (".stackdump")]; WCHAR corefile[strlen (p) + sizeof (".stackdump")];
UNICODE_STRING ucore; UNICODE_STRING ucore;
OBJECT_ATTRIBUTES attr; OBJECT_ATTRIBUTES attr;
/* Create the UNICODE variation of <progname>.stackdump. */
RtlInitEmptyUnicodeString (&ucore, corefile, RtlInitEmptyUnicodeString (&ucore, corefile,
sizeof corefile - sizeof (WCHAR)); sizeof corefile - sizeof (WCHAR));
ucore.Length = sys_mbstowcs (ucore.Buffer, ucore.Length = sys_mbstowcs (ucore.Buffer,
ucore.MaximumLength / sizeof (WCHAR), ucore.MaximumLength / sizeof (WCHAR),
p, strlen (p)) * sizeof (WCHAR); p, strlen (p)) * sizeof (WCHAR);
RtlAppendUnicodeToString (&ucore, L".stackdump"); RtlAppendUnicodeToString (&ucore, L".stackdump");
/* Create an object attribute which refers to <progname>.stackdump
in Cygwin's cwd. */
InitializeObjectAttributes (&attr, &ucore, OBJ_CASE_INSENSITIVE, InitializeObjectAttributes (&attr, &ucore, OBJ_CASE_INSENSITIVE,
cygheap->cwd.get_handle (), NULL); cygheap->cwd.get_handle (), NULL);
HANDLE h; HANDLE h;
IO_STATUS_BLOCK io; IO_STATUS_BLOCK io;
NTSTATUS status; NTSTATUS status;
/* Try to open it to dump the stack in it. */
status = NtCreateFile (&h, GENERIC_WRITE | SYNCHRONIZE, &attr, &io, status = NtCreateFile (&h, GENERIC_WRITE | SYNCHRONIZE, &attr, &io,
NULL, FILE_ATTRIBUTE_NORMAL, 0, FILE_OVERWRITE_IF, NULL, FILE_ATTRIBUTE_NORMAL, 0, FILE_OVERWRITE_IF,
FILE_SYNCHRONOUS_IO_NONALERT FILE_SYNCHRONOUS_IO_NONALERT