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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
new file mode 100644
index 0000000000..ed9f9420e7
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
@@ -0,0 +1,70 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
+
+ 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.h>
+#include <tls.h>
+
+#if !defined NOT_IN_libc || defined IS_IN_libpthread
+
+#undef PSEUDO
+#define PSEUDO(name, syscall_name, args) \
+ .text; \
+ ENTRY (name) \
+ cmpl $0, %gs:MULTIPLE_THREADS_OFFSET; \
+ jne L(pseudo_cancel); \
+ DO_CALL (syscall_name, args); \
+ cmpl $-4095, %eax; \
+ jae SYSCALL_ERROR_LABEL; \
+ ret; \
+ L(pseudo_cancel): \
+ call __libc_enable_asynccancel; \
+ SAVE_OLDTYPE_##args \
+ PUSHARGS_##args \
+ DOCARGS_##args \
+ movl $SYS_ify (syscall_name), %eax; \
+ int $0x80 \
+ POPARGS_##args; \
+ POPCARGS_##args \
+ cmpl $-4095, %eax; \
+ jae SYSCALL_ERROR_LABEL; \
+ L(pseudo_end):
+
+#define SAVE_OLDTYPE_0 movl %eax, %ecx;
+#define SAVE_OLDTYPE_1 SAVE_OLDTYPE_0
+#define SAVE_OLDTYPE_2 pushl %eax;
+#define SAVE_OLDTYPE_3 SAVE_OLDTYPE_2
+#define SAVE_OLDTYPE_4 SAVE_OLDTYPE_2
+#define SAVE_OLDTYPE_5 SAVE_OLDTYPE_2
+
+#define DOCARGS_0 DOARGS_0
+#define DOCARGS_1 DOARGS_1
+#define DOCARGS_2 _DOARGS_2 (12)
+#define DOCARGS_3 _DOARGS_3 (20)
+#define DOCARGS_4 _DOARGS_4 (28)
+#define DOCARGS_5 _DOARGS_5 (36)
+
+#define DISABLE call __libc_disable_asynccancel
+#define POPCARGS_0 pushl %eax; movl %ecx, %eax; DISABLE; popl %eax;
+#define POPCARGS_1 POPCARGS_0
+#define POPCARGS_2 xchgl (%esp), %eax; DISABLE; popl %eax;
+#define POPCARGS_3 POPCARGS_2
+#define POPCARGS_4 POPCARGS_2
+#define POPCARGS_5 POPCARGS_2
+
+#endif