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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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9
winsup/cygwin/debug.cc
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@ -14,6 +14,7 @@ details. */
#include "perthread.h"
#include "perprocess.h"
#include "security.h"
#include "cygerrno.h"
#undef CloseHandle
@ -348,4 +349,12 @@ close_handle (const char *func, int ln, HANDLE h, const char *name, BOOL force)
#endif
return ret;
}
/* Add a handle to the linked list of known handles. */
void __stdcall
__set_errno (const char *func, int ln, int val)
{
debug_printf ("%s:%d val %d", func, ln, val);
_impure_ptr->_errno = val;
}
#endif /*DEBUGGING*/