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Better diagnostics in mmap.cc
- To: cygwin at cygwin dot com
- Subject: Better diagnostics in mmap.cc
- From: "Gene Spleen" <gene_spleen at hotmail dot com>
- Date: 2001年2月27日 18:03:30 -0500
I'm trying to debug ipc-daemon, et al, and have found the cygwin libraries
impossible to build for various reasons. This is a problem because I'm
trying to debug a problem inside mmap.cc. It would be great if you could
add syscall_printf to the beggining of all calls in this module, much like
what was done with
extern "C"
caddr_t
mmap (caddr_t addr, size_t len, int prot, int flags, int fd, off_t off)
{
syscall_printf ("addr %x, len %d, prot %x, flags %x, fd %d, off %d",
addr, len, prot, flags, fd, off);
In particular, since map_map seems to be failing on VirtualProtect
(GetLastError()==487), logging off and len would be helpfull, as would
adding the parameter passed to VirtualProtect when executing:
syscall_printf ("-1 = map_map (): %E");
(in both places).
This should help hugely. Thank you
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