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/*
* Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "hprof.h"
/* The error handling logic. */
/*
* Most hprof error processing and error functions are kept here, along with
* termination functions and signal handling (used in debug version only).
*
*/
#include <signal.h>
static int p = 1; /* Used with pause=y|n option */
/* Private functions */
static void
error_message(const char * format, ...)
{
va_list ap;
va_start(ap, format);
(void)vfprintf(stderr, format, ap);
va_end(ap);
}
static void
error_abort(void)
{
/* Important to remove existing signal handler */
(void)signal(SIGABRT, NULL);
error_message("HPROF DUMPING CORE\n");
abort(); /* Sends SIGABRT signal, usually also caught by libjvm */
}
static void
signal_handler(int sig)
{
/* Caught a signal, most likely a SIGABRT */
error_message("HPROF SIGNAL %d TERMINATED PROCESS\n", sig);
error_abort();
}
static void
setup_signal_handler(int sig)
{
/* Only if debug version or debug=y */
if ( gdata->debug ) {
(void)signal(sig, (void(*)(int))(void*)&signal_handler);
}
}
static void
terminate_everything(jint exit_code)
{
if ( exit_code > 0 ) {
/* Could be a fatal error or assert error or a sanity error */
error_message("HPROF TERMINATED PROCESS\n");
if ( gdata->coredump || gdata->debug ) {
/* Core dump here by request */
error_abort();
}
}
/* Terminate the process */
error_exit_process(exit_code);
}
/* External functions */
void
error_setup(void)
{
setup_signal_handler(SIGABRT);
}
void
error_do_pause(void)
{
int pid = md_getpid();
int timeleft = 600; /* 10 minutes max */
int interval = 10; /* 10 second message check */
/*LINTED*/
error_message("\nHPROF pause for PID %d\n", (int)pid);
while ( p && timeleft > 0 ) {
md_sleep(interval); /* 'assign p=0' to stop pause loop */
timeleft -= interval;
}
if ( timeleft <= 0 ) {
error_message("\n HPROF pause got tired of waiting and gave up.\n");
}
}
void
error_exit_process(int exit_code)
{
exit(exit_code);
}
static const char *
source_basename(const char *file)
{
const char *p;
if ( file == NULL ) {
return "UnknownSourceFile";
}
p = strrchr(file, '/');
if ( p == NULL ) {
p = strrchr(file, '\\');
}
if ( p == NULL ) {
p = file;
} else {
p++; /* go past / */
}
return p;
}
void
error_assert(const char *condition, const char *file, int line)
{
error_message("ASSERTION FAILURE: %s [%s:%d]\n", condition,
source_basename(file), line);
error_abort();
}
void
error_handler(jboolean fatal, jvmtiError error,
const char *message, const char *file, int line)
{
char *error_name;
if ( message==NULL ) {
message = "";
}
if ( error != JVMTI_ERROR_NONE ) {
error_name = getErrorName(error);
if ( error_name == NULL ) {
error_name = "?";
}
error_message("HPROF ERROR: %s (JVMTI Error %s(%d)) [%s:%d]\n",
message, error_name, error,
source_basename(file), line);
} else {
error_message("HPROF ERROR: %s [%s:%d]\n", message,
source_basename(file), line);
}
if ( fatal || gdata->errorexit ) {
/* If it's fatal, or the user wants termination on any error, die */
terminate_everything(9);
}
}
void
debug_message(const char * format, ...)
{
va_list ap;
va_start(ap, format);
(void)vfprintf(stderr, format, ap);
va_end(ap);
}
void
verbose_message(const char * format, ...)
{
if ( gdata->verbose ) {
va_list ap;
va_start(ap, format);
(void)vfprintf(stderr, format, ap);
va_end(ap);
}
}
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