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-rw-r--r--include/clplumbing/cl_signal.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/include/clplumbing/cl_signal.h b/include/clplumbing/cl_signal.h
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+++ b/include/clplumbing/cl_signal.h
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+/*
+ * cl_signal.h: signal handling routines to be used by Linux-HA programmes
+ *
+ * Copyright (C) 2002 Horms <horms@verge.net.au>
+ *
+ * This 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.
+ *
+ * This 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#ifndef _CL_SIGNAL_H
+#define _CL_SIGNAL_H
+
+#include <stdio.h>
+#include <signal.h>
+#include <sys/signal.h>
+
+typedef struct {
+ int sig;
+ void (*handler)(int);
+ int interrupt;
+} cl_signal_mode_t;
+
+#define CL_SIGNAL(_sig, _handler) \
+ cl_signal_set_simple_handler((_sig), (_handler), NULL)
+#if HAVE_SIGIGNORE
+#define CL_IGNORE_SIG(_sig) sigignore((_sig))
+#else
+#define CL_IGNORE_SIG(_sig) CL_SIGNAL((_sig), SIG_IGN)
+#endif
+#define CL_DEFAULT_SIG(_sig) CL_SIGNAL((_sig), SIG_DFL)
+
+#define CL_SIGINTERRUPT(_sig, _flag) siginterrupt((_sig), (_flag))
+
+#define CL_SIGACTION(_signum, _act, _oldact) \
+ sigaction((_signum), (_act), (_oldact))
+#define CL_SIGPROCMASK(_how, _set, _oldset) \
+ cl_signal_block_set((_how), (_set), (_oldset))
+#define CL_SIGPENDING(_set) sigpending(_set)
+#define CL_SIGSUSPEND(_mask) sigsuspend(_mask)
+
+#define CL_SIGEMPTYSET(_set) sigemptyset(_set)
+#define CL_SIGFILLSET(_set) sigfillset(_set)
+#define CL_SIGADDSET(_set, _signum) sigaddset((_set), (_signum))
+#define CL_SIGDELSET(_set, _signum) sigdelset((_set), (_signum))
+#define CL_SIGISMEMBER(_set, _signum) sigmember((_set), (_signum))
+
+#define CL_KILL(_pid, _sig) kill((_pid), (_sig))
+
+#define CL_PID_EXISTS(_pid) ( CL_KILL((_pid), 0) >= 0 || errno != ESRCH )
+
+int
+cl_signal_set_handler(int sig, void (*handler)(int), sigset_t *mask
+, int flags, struct sigaction *oldact);
+
+int
+cl_signal_set_simple_handler(int sig, void (*handler)(int)
+, struct sigaction *oldact);
+
+int
+cl_signal_set_action(int sig, void (*action)(int, siginfo_t *, void *)
+, sigset_t *mask, int flags, struct sigaction *oldact);
+
+int
+cl_signal_set_simple_action(int sig, void (*action)(int, siginfo_t *, void *)
+, struct sigaction *oldact);
+
+int
+cl_signal_set_interrupt(int sig, int flag);
+
+int
+cl_signal_block(int how, int signal, sigset_t *oldset);
+
+int
+cl_signal_block_set(int how, const sigset_t *set, sigset_t *oldset);
+
+int
+cl_signal_set_handler_mode(const cl_signal_mode_t *mode, sigset_t *set);
+
+
+#endif /* _CL_SIGNAL_H */