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authorDavid Schleef <ds@schleef.org>2001-05-22 14:32:43 +0000
committerDavid Schleef <ds@schleef.org>2001-05-22 14:32:43 +0000
commit665ce29c84a830259683fdb58c76da7efc00f890 (patch)
tree9d21847a0e1d0ac4e643aa1f30b4b7134bd78d6c /libc/sysdeps/linux/mips/bits/sigaction.h
parent5a2fb0bbdd13fc87e55a048b18aba55e5a532009 (diff)
Copied bits/*.h from Debian MIPS libc6-dev 2.2.2-4 package.
Diffstat (limited to 'libc/sysdeps/linux/mips/bits/sigaction.h')
-rw-r--r--libc/sysdeps/linux/mips/bits/sigaction.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/mips/bits/sigaction.h b/libc/sysdeps/linux/mips/bits/sigaction.h
new file mode 100644
index 000000000..022507865
--- /dev/null
+++ b/libc/sysdeps/linux/mips/bits/sigaction.h
@@ -0,0 +1,88 @@
+/* The proper definitions for Linux/MIPS's sigaction.
+ Copyright (C) 1993,94,95,97,98,99,2000 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. 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 <bits/sigaction.h> directly; use <signal.h> instead."
+#endif
+
+/* Structure describing the action to be taken when a signal arrives. */
+struct sigaction
+ {
+ /* Special flags. */
+ unsigned int sa_flags;
+
+ /* Signal handler. */
+#ifdef __USE_POSIX199309
+ union
+ {
+ /* Used if SA_SIGINFO is not set. */
+ __sighandler_t sa_handler;
+ /* Used if SA_SIGINFO is set. */
+ void (*sa_sigaction) (int, siginfo_t *, void *);
+ }
+ __sigaction_handler;
+# define sa_handler __sigaction_handler.sa_handler
+# define sa_sigaction __sigaction_handler.sa_sigaction
+#else
+ __sighandler_t sa_handler;
+#endif
+ /* Additional set of signals to be blocked. */
+ __sigset_t sa_mask;
+
+ /* The ABI says here are two unused ints following. */
+ /* Restore handler. */
+ void (*sa_restorer) (void);
+
+#if _MIPS_ISA == _MIPS_ISA_MIPS1 || _MIPS_ISA == _MIPS_ISA_MIPS2
+ int sa_resv[1];
+#endif
+ };
+
+/* Bits in `sa_flags'. */
+/* Please note that some Linux kernels versions use different values for these
+ flags which is a bug in those kernel versions. */
+#define SA_NOCLDSTOP 0x00000001 /* Don't send SIGCHLD when children stop. */
+#define SA_NOCLDWAIT 0x00010000 /* Don't create zombie on child death. */
+#define SA_SIGINFO 0x00000008 /* Invoke signal-catching function with
+ three arguments instead of one. */
+#if defined __USE_UNIX98 || defined __USE_MISC
+# define SA_ONSTACK 0x08000000 /* Use signal stack by using `sa_restorer'. */
+# define SA_RESETHAND 0x80000000 /* Reset to SIG_DFL on entry to handler. */
+# define SA_RESTART 0x10000000 /* Restart syscall on signal return. */
+# define SA_NODEFER 0x40000000 /* Don't automatically block the signal when
+ its handler is being executed. */
+#endif
+#ifdef __USE_MISC
+# define SA_INTERRUPT 0x20000000 /* Historical no-op. */
+
+/* Some aliases for the SA_ constants. */
+# define SA_NOMASK SA_NODEFER
+# define SA_ONESHOT SA_RESETHAND
+# define SA_STACK SA_ONSTACK
+#endif
+
+/* Values for the HOW argument to `sigprocmask'. */
+#define SIG_NOP 0 /* 0 is unused to catch errors */
+#define SIG_BLOCK 1 /* Block signals. */
+#define SIG_UNBLOCK 2 /* Unblock signals. */
+#define SIG_SETMASK 3 /* Set the set of blocked signals. */
+#ifdef __USE_MISC
+# define SIG_SETMASK32 256 /* Goodie from SGI for BSD compatibility:
+ set only the low 32 bit of the sigset. */
+#endif