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Diffstat (limited to 'sysdeps/unix/sysv/solaris2/kopensolaris-gnu/fcntl.c')
-rw-r--r--sysdeps/unix/sysv/solaris2/kopensolaris-gnu/fcntl.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/fcntl.c b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/fcntl.c
new file mode 100644
index 0000000000..ef8a0b968f
--- /dev/null
+++ b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/fcntl.c
@@ -0,0 +1,79 @@
+/* Copyright (C) 2008 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David Bartley <dtbartle@csclub.uwaterloo.ca>, 2008.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep-cancel.h>
+#include <inline-syscall.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <sys/ioctl.h>
+
+DECLARE_INLINE_SYSCALL (int, fcntl, int fd, int cmd, ...);
+
+int
+__fcntl_not_cancel (int fd, int cmd, ...)
+{
+ int res;
+ va_list ap;
+ void *arg;
+
+ va_start (ap, cmd);
+ arg = va_arg (ap, void *);
+ va_end (ap);
+
+ /* we need to handle some cmd's here since the kernel doesn't */
+ switch(cmd)
+ {
+ case F_GETOWN:
+ if(ioctl (fd, FIOGETOWN, &res) == -1)
+ return -1;
+ return res;
+ case F_SETOWN:
+ return ioctl (fd, FIOSETOWN, &arg);
+ default:
+ return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg);
+ }
+}
+
+int
+__libc_fcntl (int fd, int cmd, ...)
+{
+ va_list ap;
+ void *arg;
+
+ va_start (ap, cmd);
+ arg = va_arg (ap, void *);
+ va_end (ap);
+
+ if (SINGLE_THREAD_P || cmd != F_SETLKW)
+ return __fcntl_not_cancel (fd, cmd, arg);
+
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ int res = __fcntl_not_cancel (fd, cmd, arg);
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return res;
+}
+
+libc_hidden_def (__libc_fcntl)
+weak_alias (__libc_fcntl, __fcntl)
+libc_hidden_weak (__fcntl)
+weak_alias (__libc_fcntl, fcntl)