summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/common/bits/sigstack.h
diff options
context:
space:
mode:
authorEric Andersen <andersen@codepoet.org>2002-03-01 20:46:26 +0000
committerEric Andersen <andersen@codepoet.org>2002-03-01 20:46:26 +0000
commit9cee42f10dbc5b33866ff137b926a74abd7c1a5b (patch)
tree5211131bde7212ae06d98e9779197cece9b552cc /libc/sysdeps/linux/common/bits/sigstack.h
parent5b470cfcc321c5d50b951fa93a769a4a193ccece (diff)
Major rework of the include files to eliminate redundancy
and to better support each arch. This is a really big patch... -Erik
Diffstat (limited to 'libc/sysdeps/linux/common/bits/sigstack.h')
-rw-r--r--libc/sysdeps/linux/common/bits/sigstack.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/bits/sigstack.h b/libc/sysdeps/linux/common/bits/sigstack.h
new file mode 100644
index 000000000..7f260367b
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/sigstack.h
@@ -0,0 +1,55 @@
+/* sigstack, sigaltstack definitions.
+ Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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. */
+
+#ifndef _SIGNAL_H
+# error "Never include this file directly. Use <signal.h> instead"
+#endif
+
+
+/* Structure describing a signal stack (obsolete). */
+struct sigstack
+ {
+ void *ss_sp; /* Signal stack pointer. */
+ int ss_onstack; /* Nonzero if executing on this stack. */
+ };
+
+
+/* Possible values for `ss_flags.'. */
+enum
+{
+ SS_ONSTACK = 1,
+#define SS_ONSTACK SS_ONSTACK
+ SS_DISABLE
+#define SS_DISABLE SS_DISABLE
+};
+
+/* Minimum stack size for a signal handler. */
+#define MINSIGSTKSZ 2048
+
+/* System default stack size. */
+#define SIGSTKSZ 8192
+
+
+/* Alternate, preferred interface. */
+typedef struct sigaltstack
+ {
+ void *ss_sp;
+ int ss_flags;
+ size_t ss_size;
+ } stack_t;