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* thread.cc (InterlockedExchangePointer): Don't define if it already exists.

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This commit is contained in:
Christopher Faylor
2001-09-04 20:48:45 +00:00
parent 37f75da24d
commit c729f22799
3 changed files with 26 additions and 18 deletions
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5
winsup/cygwin/ChangeLog
View File

@@ -1,3 +1,8 @@
Tue Sep 4 16:48:14 2001 Christopher Faylor <cgf@cygnus.com>
* thread.cc (InterlockedExchangePointer): Don't define if it already
exists.
Tue Sep 4 22:14:00 2001 Corinna Vinschen <corinna@vinschen.de>
* uname.cc (uname): Eliminate os specific retrieving of x86

37
winsup/cygwin/dtable.cc
View File

@@ -33,14 +33,14 @@ details. */
#include "cygheap.h"
static DWORD std_consts[] = {STD_INPUT_HANDLE, STD_OUTPUT_HANDLE,
STD_ERROR_HANDLE};
STD_ERROR_HANDLE};
/* Set aside space for the table of fds */
void
dtable_init (void)
{
if (!cygheap->fdtab.size)
cygheap->fdtab.extend(NOFILE_INCR);
cygheap->fdtab.extend (NOFILE_INCR);
}
void __stdcall
@@ -68,7 +68,7 @@ dtable::extend (int howmuch)
if (howmuch <= 0)
return 0;
/* Try to allocate more space for fd table. We can't call realloc()
/* Try to allocate more space for fd table. We can't call realloc ()
here to preserve old table if memory allocation fails */
if (!(newfds = (fhandler_base **) ccalloc (HEAP_ARGV, new_size, sizeof newfds[0])))
@@ -100,7 +100,7 @@ stdio_init (void)
Also, always set them even if we're to pick up our parent's fds
in case they're missed. */
if (!myself->ppid_handle && NOTSTATE(myself, PID_CYGPARENT))
if (!myself->ppid_handle && NOTSTATE (myself, PID_CYGPARENT))
{
HANDLE in = GetStdHandle (STD_INPUT_HANDLE);
HANDLE out = GetStdHandle (STD_OUTPUT_HANDLE);
@@ -136,7 +136,7 @@ stdio_init (void)
int
dtable::find_unused_handle (int start)
{
AssertResourceOwner(LOCK_FD_LIST, READ_LOCK);
AssertResourceOwner (LOCK_FD_LIST, READ_LOCK);
do
{
@@ -221,7 +221,7 @@ cygwin_attach_handle_to_fd (char *name, int fd, HANDLE handle, mode_t bin,
DWORD myaccess)
{
if (fd == -1)
fd = cygheap->fdtab.find_unused_handle();
fd = cygheap->fdtab.find_unused_handle ();
fhandler_base *res = cygheap->fdtab.build_fhandler (fd, name, handle);
res->init (handle, myaccess, bin);
return fd;
@@ -384,7 +384,7 @@ dtable::dup2 (int oldfd, int newfd)
goto done;
}
SetResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK,"dup");
SetResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "dup");
if (newfd < 0)
{
@@ -408,7 +408,7 @@ dtable::dup2 (int oldfd, int newfd)
if ((fds[newfd]->get_device () & FH_DEVMASK) == FH_SOCKET)
inc_need_fixup_before ();
ReleaseResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK,"dup");
ReleaseResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "dup");
MALLOC_CHECK;
if ((res = newfd) <= 2)
@@ -477,15 +477,15 @@ dtable::select_except (int fd, select_record *s)
void
dtable::fixup_before_fork (DWORD target_proc_id)
{
SetResourceLock(LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "fixup_before_fork");
SetResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "fixup_before_fork");
fhandler_base *fh;
for (size_t i = 0; i < size; i++)
if ((fh = fds[i]) != NULL)
{
debug_printf ("fd %d(%s)", i, fh->get_name ());
debug_printf ("fd %d (%s)", i, fh->get_name ());
fh->fixup_before_fork_exec (target_proc_id);
}
ReleaseResourceLock(LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "fixup_before_fork");
ReleaseResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "fixup_before_fork");
}
void
@@ -496,7 +496,7 @@ dtable::fixup_before_exec (DWORD target_proc_id)
for (size_t i = 0; i < size; i++)
if ((fh = fds[i]) != NULL && !fh->get_close_on_exec ())
{
debug_printf ("fd %d(%s)", i, fh->get_name ());
debug_printf ("fd %d (%s)", i, fh->get_name ());
fh->fixup_before_fork_exec (target_proc_id);
}
ReleaseResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "fixup_before_exec");
@@ -533,7 +533,7 @@ dtable::fixup_after_fork (HANDLE parent)
{
if (fh->get_close_on_exec () || fh->get_need_fork_fixup ())
{
debug_printf ("fd %d(%s)", i, fh->get_name ());
debug_printf ("fd %d (%s)", i, fh->get_name ());
fh->fixup_after_fork (parent);
}
}
@@ -543,10 +543,10 @@ int
dtable::vfork_child_dup ()
{
fhandler_base **newtable;
newtable = (fhandler_base **) ccalloc (HEAP_ARGV, size, sizeof(fds[0]));
SetResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "dup");
newtable = (fhandler_base **) ccalloc (HEAP_ARGV, size, sizeof (fds[0]));
int res = 1;
SetResourceLock(LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "dup");
for (size_t i = 0; i < size; i++)
if (not_open (i))
continue;
@@ -561,15 +561,16 @@ dtable::vfork_child_dup ()
fds_on_hold = fds;
fds = newtable;
out:
ReleaseResourceLock(LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "dup");
ReleaseResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "dup");
return 1;
}
void
dtable::vfork_parent_restore ()
{
SetResourceLock(LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "restore");
SetResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "restore");
close_all_files ();
fhandler_base **deleteme = fds;
@@ -577,7 +578,7 @@ dtable::vfork_parent_restore ()
fds_on_hold = NULL;
cfree (deleteme);
ReleaseResourceLock(LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "restore");
ReleaseResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "restore");
return;
}

2
winsup/cygwin/thread.cc
View File

@@ -1150,7 +1150,9 @@ __pthread_atforkchild (void)
/*FIXME: implement InterlockExchangePointer and get rid of the silly typecasts below
*/
#ifndef InterlockedExchangePointer
#define InterlockedExchangePointer InterlockedExchange
#endif
/*Register a set of functions to run before and after fork.
*prepare calls are called in LI-FC order.