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* [newlib-cygwin] Cygwin: drop macro and code for CYGWIN_VERSION_CHECK_FOR_OLD_O_NONBLOCK
@ 2022-08-03 14:05 Corinna Vinschen
0 siblings, 0 replies; only message in thread
From: Corinna Vinschen @ 2022-08-03 14:05 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=c2743614bf2421b0594da33fb41845792d0e703b
commit c2743614bf2421b0594da33fb41845792d0e703b
Author: Corinna Vinschen <corinna@vinschen.de>
Date: Wed Aug 3 15:48:56 2022 +0200
Cygwin: drop macro and code for CYGWIN_VERSION_CHECK_FOR_OLD_O_NONBLOCK
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diff:
---
winsup/cygwin/fhandler.cc | 15 +++++----------
winsup/cygwin/fhandler.h | 9 ---------
winsup/cygwin/fhandler_socket.cc | 11 +++--------
winsup/cygwin/fhandler_socket_unix.cc | 4 +---
winsup/cygwin/include/cygwin/version.h | 3 ---
5 files changed, 9 insertions(+), 33 deletions(-)
diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc
index 9d6d01858..72d35391f 100644
--- a/winsup/cygwin/fhandler.cc
+++ b/winsup/cygwin/fhandler.cc
@@ -1360,17 +1360,12 @@ int fhandler_base::fcntl (int cmd, intptr_t arg)
break;
case F_SETFL:
{
- /* Only O_APPEND, O_ASYNC and O_NONBLOCK/O_NDELAY are allowed.
+ /* Only O_APPEND, O_ASYNC and O_NONBLOCK are allowed.
Each other flag will be ignored.
Since O_ASYNC isn't defined in fcntl.h it's currently
ignored as well. */
- const int allowed_flags = O_APPEND | O_NONBLOCK_MASK;
+ const int allowed_flags = O_APPEND | O_NONBLOCK;
int new_flags = arg & allowed_flags;
- /* Carefully test for the O_NONBLOCK or deprecated OLD_O_NDELAY flag.
- Set only the flag that has been passed in. If both are set, just
- record O_NONBLOCK. */
- if ((new_flags & OLD_O_NDELAY) && (new_flags & O_NONBLOCK))
- new_flags &= ~OLD_O_NDELAY;
set_flags ((get_flags () & ~allowed_flags) | new_flags);
}
res = 0;
@@ -1573,15 +1568,15 @@ fhandler_base::fixup_after_exec ()
bool
fhandler_base::is_nonblocking ()
{
- return (openflags & O_NONBLOCK_MASK) != 0;
+ return (openflags & O_NONBLOCK) != 0;
}
void
fhandler_base::set_nonblocking (int yes)
{
- int current = openflags & O_NONBLOCK_MASK;
+ int current = openflags & O_NONBLOCK;
int new_flags = yes ? (!current ? O_NONBLOCK : current) : 0;
- openflags = (openflags & ~O_NONBLOCK_MASK) | new_flags;
+ openflags = (openflags & ~O_NONBLOCK) | new_flags;
}
int
diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h
index e4f1a2d94..aad7f4c37 100644
--- a/winsup/cygwin/fhandler.h
+++ b/winsup/cygwin/fhandler.h
@@ -15,15 +15,6 @@ details. */
#include <cygwin/_ucred.h>
#include <sys/un.h>
-/* newlib used to define O_NDELAY differently from O_NONBLOCK. Now it
- properly defines both to be the same. Unfortunately, we have to
- behave properly the old version, too, to accommodate older executables. */
-#define OLD_O_NDELAY (CYGWIN_VERSION_CHECK_FOR_OLD_O_NONBLOCK ? 4 : 0)
-
-/* Care for the old O_NDELAY flag. If one of the flags is set,
- both flags are set. */
-#define O_NONBLOCK_MASK (O_NONBLOCK | OLD_O_NDELAY)
-
/* It appears that 64K is the block size used for buffered I/O on NT.
Using this blocksize in read/write calls in the application results
in a much better performance than using smaller values. */
diff --git a/winsup/cygwin/fhandler_socket.cc b/winsup/cygwin/fhandler_socket.cc
index 57a75df34..49ad5b3e0 100644
--- a/winsup/cygwin/fhandler_socket.cc
+++ b/winsup/cygwin/fhandler_socket.cc
@@ -246,17 +246,12 @@ fhandler_socket::fcntl (int cmd, intptr_t arg)
{
case F_SETFL:
{
- /* Carefully test for the O_NONBLOCK or deprecated OLD_O_NDELAY flag.
- Set only the flag that has been passed in. If both are set, just
- record O_NONBLOCK. */
- int new_flags = arg & O_NONBLOCK_MASK;
- if ((new_flags & OLD_O_NDELAY) && (new_flags & O_NONBLOCK))
- new_flags = O_NONBLOCK;
- current = get_flags () & O_NONBLOCK_MASK;
+ int new_flags = arg & O_NONBLOCK;
+ current = get_flags () & O_NONBLOCK;
request = new_flags ? 1 : 0;
if (!!current != !!new_flags && (res = ioctl (FIONBIO, &request)))
break;
- set_flags ((get_flags () & ~O_NONBLOCK_MASK) | new_flags);
+ set_flags ((get_flags () & ~O_NONBLOCK) | new_flags);
break;
}
default:
diff --git a/winsup/cygwin/fhandler_socket_unix.cc b/winsup/cygwin/fhandler_socket_unix.cc
index b63f50c64..524f18d81 100644
--- a/winsup/cygwin/fhandler_socket_unix.cc
+++ b/winsup/cygwin/fhandler_socket_unix.cc
@@ -2289,10 +2289,8 @@ fhandler_socket_unix::fcntl (int cmd, intptr_t arg)
case F_SETFL:
{
const bool was_nonblocking = is_nonblocking ();
- const int allowed_flags = O_APPEND | O_NONBLOCK_MASK;
+ const int allowed_flags = O_APPEND | O_NONBLOCK;
int new_flags = arg & allowed_flags;
- if ((new_flags & OLD_O_NDELAY) && (new_flags & O_NONBLOCK))
- new_flags &= ~OLD_O_NDELAY;
set_flags ((get_flags () & ~allowed_flags) | new_flags);
const bool now_nonblocking = is_nonblocking ();
if (was_nonblocking != now_nonblocking)
diff --git a/winsup/cygwin/include/cygwin/version.h b/winsup/cygwin/include/cygwin/version.h
index 8b9cbd7f3..0d55d8292 100644
--- a/winsup/cygwin/include/cygwin/version.h
+++ b/winsup/cygwin/include/cygwin/version.h
@@ -34,9 +34,6 @@ details. */
#define CYGWIN_VERSION_USER_API_VERSION_COMBINED \
CYGWIN_VERSION_PER_PROCESS_API_VERSION_COMBINED (user_data)
-#define CYGWIN_VERSION_CHECK_FOR_OLD_O_NONBLOCK \
- (CYGWIN_VERSION_USER_API_VERSION_COMBINED <= 28)
-
#define CYGWIN_VERSION_CHECK_FOR_USING_BIG_TYPES \
(CYGWIN_VERSION_USER_API_VERSION_COMBINED >= 79)
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2022-08-03 14:05 [newlib-cygwin] Cygwin: drop macro and code for CYGWIN_VERSION_CHECK_FOR_OLD_O_NONBLOCK Corinna Vinschen
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