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Throughout, change check for running under Windows NT to 'iswinnt'.

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* dcrt0.cc (set_os_type): Set 'iswinnt' appropriately.
* cygheap.cc (init_cheap): Revert to using VirtualAlloc for allocating cygheap.
(cygheap_setup_for_child_cleanup): New function.  Standard function to call
after calling CreateProcess to cleanup cygheap info passed to child.
(cygheap_fixup_in_child): Copy cygheap from shared memory into allocated space
under Windows 9x or if can't relocate shared space under NT.
* cygheap.h: Declare new function.
* spawn.cc (spawn_guts): Use cygheap_fixup_in_child.
* fork.cc (fork_parent): Ditto.
* winsup.h: Declare iswinnt.
This commit is contained in:
Christopher Faylor
2001-08-04 21:10:52 +00:00
parent 17195d08bc
commit e5ba4c060e
27 changed files with 105 additions and 76 deletions
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4
winsup/cygwin/fhandler.cc
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@ -568,7 +568,7 @@ fhandler_base::write (const void *ptr, size_t len)
if (get_append_p ())
SetFilePointer (get_handle(), 0, 0, FILE_END);
else if (os_being_run != winNT && get_check_win95_lseek_bug ())
else if (!iswinnt && get_check_win95_lseek_bug ())
{
/* Note: this bug doesn't happen on NT4, even though the documentation
for WriteFile() says that it *may* happen on any OS. */
@ -1417,7 +1417,7 @@ fhandler_disk_file::lock (int cmd, struct flock *fl)
BOOL res;
if (os_being_run == winNT)
if (iswinnt)
{
DWORD lock_flags = (cmd == F_SETLK) ? LOCKFILE_FAIL_IMMEDIATELY : 0;
lock_flags |= (fl->l_type == F_WRLCK) ? LOCKFILE_EXCLUSIVE_LOCK : 0;