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* cygerrno.h (set_errno): Define more informative version of this function for

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debugging.
(__set_errno): Declare when DEBUGGING.
* cygheap.h (cygheap_fdget::cygheap_fdget): Add a flag to control when errno is
set.
* debug.cc (__set_errno): New function.
* fcntl.cc (_fcntl): Fix so that correct fd is used for second argument to
dup2.
* syscalls.cc (_cygwin_istext_for_stdio): Don't set errno here when using
cygheap_fdget.
This commit is contained in:
Christopher Faylor
2001-10-16 03:31:50 +00:00
parent df63bd490a
commit 0f4db8cbe0
6 changed files with 32 additions and 10 deletions
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5
winsup/cygwin/cygheap.h
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@@ -228,7 +228,7 @@ class cygheap_fdnew : public cygheap_fdmanip
class cygheap_fdget : public cygheap_fdmanip
{
public:
cygheap_fdget (int fd, bool lockit = false)
cygheap_fdget (int fd, bool lockit = false, bool do_set_errno = true)
{
if (lockit)
SetResourceLock (LOCK_FD_LIST, READ_LOCK, "cygheap_fdget");
@@ -241,7 +241,8 @@ class cygheap_fdget : public cygheap_fdmanip
else
{
this->fd = -1;
set_errno (EBADF);
if (do_set_errno)
set_errno (EBADF + 1);
if (lockit)
ReleaseResourceLock (LOCK_FD_LIST, READ_LOCK, "cygheap_fdget");
locked = false;