signals.cc File Reference

A brief file description. More...

#include "libts.h"
#include "signals.h"
#include "ProxyConfig.h"
#include "P_EventSystem.h"
#include "StatSystem.h"
#include "proxy/Main.h"
#include "ink_stack_trace.h"

Include dependency graph for signals.cc:

Go to the source code of this file.

Data Structures
class	SignalContinuation
class	TrackerContinuation
Typedefs
typedef void(*	SigActionFunc_t )(int sig, siginfo_t *t, void *f)
Functions
static void	interrupt_handler (int sig)
static void	signal_handler (int sig, siginfo_t *t, void *c)
static void	child_signal_handler (int sig)
static void	set_signal (int signal, SigActionFunc_t action_func)
static void	check_signal (int signal, SigActionFunc_t action_func)
void	check_signals ()
void	init_signals (bool do_stackdump)
int	init_tracker (const char *config_var, RecDataT, RecData data, void *)
void	init_signals2 ()
void	init_daemon_signals ()
Variables
int	exited_children = 0
static volatile int	sigusr1_received = 0
int	fastmemtotal

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Detailed Description

A brief file description.

License

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Definition in file signals.cc.

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Typedef Documentation

typedef void(* SigActionFunc_t)(int sig, siginfo_t *t, void *f)

Definition at line 44 of file signals.cc.

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Function Documentation

static void check_signal	(	int	signal,
		SigActionFunc_t	action_func
	)			[static]

Definition at line 264 of file signals.cc.

References ink_release_assert.

Referenced by check_signals().

void check_signals

(

)

Definition at line 297 of file signals.cc.

References check_signal(), interrupt_handler(), and signal_handler().

static void child_signal_handler

(

int

sig

)

[static]

Definition at line 231 of file signals.cc.

References exited_children.

Referenced by init_daemon_signals().

void init_daemon_signals

(

)

Definition at line 406 of file signals.cc.

References child_signal_handler(), and ink_assert.

void init_signals

(

bool

do_stackdump

)

Definition at line 325 of file signals.cc.

References ink_thread_create(), ink_thread_sigsetmask(), interrupt_handler(), set_signal(), and signal_handler().

Referenced by init_system().

void init_signals2

(

)

Definition at line 395 of file signals.cc.

References ET_CALL, eventProcessor, HRTIME_MSECOND, init_tracker(), RecData::rec_int, REC_RegisterConfigUpdateFunc, RECD_INT, and EventProcessor::schedule_every().

Referenced by main().

int init_tracker	(	const char *	config_var,
		RecDataT	,
		RecData	data,
		void *
	)

Definition at line 373 of file signals.cc.

References Action::cancel(), Debug, ET_CALL, eventProcessor, HRTIME_SECONDS, REC_ConfigReadInteger(), RecData::rec_int, and EventProcessor::schedule_every().

Referenced by init_signals2().

static void interrupt_handler

(

int

sig

)

[static]

Definition at line 139 of file signals.cc.

References shutdown_system().

Referenced by check_signals(), and init_signals().

static void set_signal	(	int	signal,
		SigActionFunc_t	action_func
	)			[static]

Definition at line 244 of file signals.cc.

References ink_release_assert.

Referenced by init_signals().

static void signal_handler	(	int	sig,
		siginfo_t *	t,
		void *	c
	)			[static]

Definition at line 152 of file signals.cc.

References ATS_UNUSED_RETURN, ink_stack_trace_dump(), shutdown_system(), and sigusr1_received.

Referenced by check_signals(), and init_signals().

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Variable Documentation

int exited_children = 0

Definition at line 49 of file signals.cc.

Referenced by child_signal_handler().

int fastmemtotal

Definition at line 134 of file ink_queue.cc.

Referenced by ink_freelist_new(), and SignalContinuation::periodic().

volatile int sigusr1_received = 0 [static]

Definition at line 51 of file signals.cc.

Referenced by SignalContinuation::periodic(), and signal_handler().