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openmpi/opal/util/stacktrace.c
Nathan Hjelm 4d92c9989e more c99 updates 
This commit does two things. It removes checks for C99 required
headers (stdlib.h, string.h, signal.h, etc). Additionally it removes
definitions for required C99 types (intptr_t, int64_t, int32_t, etc).

Signed-off-by: Nathan Hjelm <hjelmn@me.com>
2015-06-25 10:14:13 -06:00

508 строки
15 KiB
C
Исходник Ответственный История

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2008-2009 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include <stdio.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include <signal.h>
#include "opal/util/stacktrace.h"
#include "opal/mca/backtrace/backtrace.h"
#include "opal/constants.h"
#include "opal/util/output.h"
#include "opal/util/show_help.h"
#include "opal/util/argv.h"
#include "opal/runtime/opal_params.h"
#ifndef _NSIG
#define _NSIG 32
#endif
#define HOSTFORMAT "[%s:%05d] "
static char stacktrace_hostname[64];
static char *unable_to_print_msg = "Unable to print stack trace!\n";
/**
* This function is being called as a signal-handler in response
* to a user-specified signal (e.g. SIGFPE or SIGSEGV).
* For Linux/Glibc, it then uses backtrace and backtrace_symbols_fd
* to figure the current stack and print that out to stderr.
* Where available, the BSD libexecinfo is used to provide Linux/Glibc
* compatible backtrace and backtrace_symbols_fd functions.
*
* @param signo with the signal number raised
* @param info with information regarding the reason/send of the signal
* @param p
*
* FIXME: Should distinguish for systems, which don't have siginfo...
*/
#if OPAL_WANT_PRETTY_PRINT_STACKTRACE
static void show_stackframe (int signo, siginfo_t * info, void * p)
{
char print_buffer[1024];
char * tmp = print_buffer;
int size = sizeof (print_buffer);
int ret;
char *si_code_str = "";
/* write out the footer information */
memset (print_buffer, 0, sizeof (print_buffer));
ret = snprintf(print_buffer, sizeof(print_buffer),
HOSTFORMAT "*** Process received signal ***\n",
stacktrace_hostname, getpid());
write(fileno(stderr), print_buffer, ret);
memset (print_buffer, 0, sizeof (print_buffer));
#ifdef HAVE_STRSIGNAL
ret = snprintf (tmp, size, HOSTFORMAT "Signal: %s (%d)\n",
stacktrace_hostname, getpid(), strsignal(signo), signo);
#else
ret = snprintf (tmp, size, HOSTFORMAT "Signal: %d\n",
stacktrace_hostname, getpid(), signo);
#endif
size -= ret;
tmp += ret;
if (NULL != info) {
switch (signo)
{
case SIGILL:
switch (info->si_code)
{
#ifdef ILL_ILLOPC
case ILL_ILLOPC: si_code_str = "Illegal opcode"; break;
#endif
#ifdef ILL_ILLOPN
case ILL_ILLOPN: si_code_str = "Illegal operand"; break;
#endif
#ifdef ILL_ILLADR
case ILL_ILLADR: si_code_str = "Illegal addressing mode"; break;
#endif
#ifdef ILL_ILLTRP
case ILL_ILLTRP: si_code_str = "Illegal trap"; break;
#endif
#ifdef ILL_PRVOPC
case ILL_PRVOPC: si_code_str = "Privileged opcode"; break;
#endif
#ifdef ILL_PRVREG
case ILL_PRVREG: si_code_str = "Privileged register"; break;
#endif
#ifdef ILL_COPROC
case ILL_COPROC: si_code_str = "Coprocessor error"; break;
#endif
#ifdef ILL_BADSTK
case ILL_BADSTK: si_code_str = "Internal stack error"; break;
#endif
}
break;
case SIGFPE:
switch (info->si_code)
{
#ifdef FPE_INTDIV
case FPE_INTDIV: si_code_str = "Integer divide-by-zero"; break;
#endif
#ifdef FPE_INTOVF
case FPE_INTOVF: si_code_str = "Integer overflow"; break;
#endif
case FPE_FLTDIV: si_code_str = "Floating point divide-by-zero"; break;
case FPE_FLTOVF: si_code_str = "Floating point overflow"; break;
case FPE_FLTUND: si_code_str = "Floating point underflow"; break;
#ifdef FPE_FLTRES
case FPE_FLTRES: si_code_str = "Floating point inexact result"; break;
#endif
#ifdef FPE_FLTINV
case FPE_FLTINV: si_code_str = "Invalid floating point operation"; break;
#endif
#ifdef FPE_FLTSUB
case FPE_FLTSUB: si_code_str = "Subscript out of range"; break;
#endif
}
break;
case SIGSEGV:
switch (info->si_code)
{
#ifdef SEGV_MAPERR
case SEGV_MAPERR: si_code_str = "Address not mapped"; break;
#endif
#ifdef SEGV_ACCERR
case SEGV_ACCERR: si_code_str = "Invalid permissions"; break;
#endif
}
break;
case SIGBUS:
switch (info->si_code)
{
#ifdef BUS_ADRALN
case BUS_ADRALN: si_code_str = "Invalid address alignment"; break;
#endif
#ifdef BUS_ADRERR
case BUS_ADRERR: si_code_str = "Non-existant physical address"; break;
#endif
#ifdef BUS_OBJERR
case BUS_OBJERR: si_code_str = "Objet-specific hardware error"; break;
#endif
}
break;
case SIGTRAP:
switch (info->si_code)
{
#ifdef TRAP_BRKPT
case TRAP_BRKPT: si_code_str = "Process breakpoint"; break;
#endif
#ifdef TRAP_TRACE
case TRAP_TRACE: si_code_str = "Process trace trap"; break;
#endif
}
break;
case SIGCHLD:
switch (info->si_code)
{
#ifdef CLD_EXITED
case CLD_EXITED: si_code_str = "Child has exited"; break;
#endif
#ifdef CLD_KILLED
case CLD_KILLED: si_code_str = "Child has terminated abnormally and did not create a core file"; break;
#endif
#ifdef CLD_DUMPED
case CLD_DUMPED: si_code_str = "Child has terminated abnormally and created a core file"; break;
#endif
#ifdef CLD_WTRAPPED
case CLD_TRAPPED: si_code_str = "Traced child has trapped"; break;
#endif
#ifdef CLD_STOPPED
case CLD_STOPPED: si_code_str = "Child has stopped"; break;
#endif
#ifdef CLD_CONTINUED
case CLD_CONTINUED: si_code_str = "Stopped child has continued"; break;
#endif
}
break;
#ifdef SIGPOLL
case SIGPOLL:
switch (info->si_code)
{
#ifdef POLL_IN
case POLL_IN: si_code_str = "Data input available"; break;
#endif
#ifdef POLL_OUT
case POLL_OUT: si_code_str = "Output buffers available"; break;
#endif
#ifdef POLL_MSG
case POLL_MSG: si_code_str = "Input message available"; break;
#endif
#ifdef POLL_ERR
case POLL_ERR: si_code_str = "I/O error"; break;
#endif
#ifdef POLL_PRI
case POLL_PRI: si_code_str = "High priority input available"; break;
#endif
#ifdef POLL_HUP
case POLL_HUP: si_code_str = "Device disconnected"; break;
#endif
}
break;
#endif /* SIGPOLL */
default:
switch (info->si_code)
{
#ifdef SI_ASYNCNL
case SI_ASYNCNL: si_code_str = "SI_ASYNCNL"; break;
#endif
#ifdef SI_SIGIO
case SI_SIGIO: si_code_str = "Queued SIGIO"; break;
#endif
#ifdef SI_ASYNCIO
case SI_ASYNCIO: si_code_str = "Asynchronous I/O request completed"; break;
#endif
#ifdef SI_MESGQ
case SI_MESGQ: si_code_str = "Message queue state changed"; break;
#endif
case SI_TIMER: si_code_str = "Timer expiration"; break;
case SI_QUEUE: si_code_str = "Sigqueue() signal"; break;
case SI_USER: si_code_str = "User function (kill, sigsend, abort, etc.)"; break;
#ifdef SI_KERNEL
case SI_KERNEL: si_code_str = "Kernel signal"; break;
#endif
/* Dragonfly defines SI_USER and SI_UNDEFINED both as zero: */
/* For some reason, the PGI compiler will not let us combine these two
#if tests into a single statement. Sigh. */
#if defined(SI_UNDEFINED)
#if SI_UNDEFINED != SI_USER
case SI_UNDEFINED: si_code_str = "Undefined code"; break;
#endif
#endif
}
}
/* print signal errno information */
if (0 != info->si_errno) {
ret = snprintf(tmp, size, HOSTFORMAT "Associated errno: %s (%d)\n",
stacktrace_hostname, getpid(),
strerror (info->si_errno), info->si_errno);
size -= ret;
tmp += ret;
}
ret = snprintf(tmp, size, HOSTFORMAT "Signal code: %s (%d)\n",
stacktrace_hostname, getpid(),
si_code_str, info->si_code);
size -= ret;
tmp += ret;
switch (signo)
{
case SIGILL:
case SIGFPE:
case SIGSEGV:
case SIGBUS:
{
ret = snprintf(tmp, size, HOSTFORMAT "Failing at address: %p\n",
stacktrace_hostname, getpid(), info->si_addr);
size -= ret;
tmp += ret;
break;
}
case SIGCHLD:
{
ret = snprintf(tmp, size, HOSTFORMAT "Sending PID: %d, Sending UID: %d, Status: %d\n",
stacktrace_hostname, getpid(),
info->si_pid, info->si_uid, info->si_status);
size -= ret;
tmp += ret;
break;
}
#ifdef SIGPOLL
case SIGPOLL:
{
#ifdef HAVE_SIGINFO_T_SI_FD
ret = snprintf(tmp, size, HOSTFORMAT "Band event: %ld, File Descriptor : %d\n",
stacktrace_hostname, getpid(), (long)info->si_band, info->si_fd);
#elif HAVE_SIGINFO_T_SI_BAND
ret = snprintf(tmp, size, HOSTFORMAT "Band event: %ld\n",
stacktrace_hostname, getpid(), (long)info->si_band);
#else
ret = 0;
#endif
size -= ret;
tmp += ret;
break;
}
#endif
}
} else {
ret = snprintf(tmp, size,
HOSTFORMAT "siginfo is NULL, additional information unavailable\n",
stacktrace_hostname, getpid());
size -= ret;
tmp += ret;
}
/* write out the signal information generated above */
write(fileno(stderr), print_buffer, sizeof(print_buffer)-size);
/* print out the stack trace */
snprintf(print_buffer, sizeof(print_buffer), HOSTFORMAT,
stacktrace_hostname, getpid());
ret = opal_backtrace_print(stderr, print_buffer, 2);
if (OPAL_SUCCESS != ret) {
write(fileno(stderr), unable_to_print_msg, strlen(unable_to_print_msg));
}
/* write out the footer information */
memset (print_buffer, 0, sizeof (print_buffer));
ret = snprintf(print_buffer, sizeof(print_buffer),
HOSTFORMAT "*** End of error message ***\n",
stacktrace_hostname, getpid());
if (ret > 0) {
write(fileno(stderr), print_buffer, ret);
} else {
write(fileno(stderr), unable_to_print_msg, strlen(unable_to_print_msg));
}
}
#endif /* OPAL_WANT_PRETTY_PRINT_STACKTRACE */
#if OPAL_WANT_PRETTY_PRINT_STACKTRACE
void opal_stackframe_output(int stream)
{
int traces_size;
char **traces;
/* print out the stack trace */
if (OPAL_SUCCESS == opal_backtrace_buffer(&traces, &traces_size)) {
int i;
/* since we have the opportunity, strip off the bottom two
function calls, which will be this function and
opal_backtrace_buffer(). */
for (i = 2; i < traces_size; ++i) {
opal_output(stream, "%s", traces[i]);
}
} else {
opal_backtrace_print(stderr, NULL, 2);
}
}
char *opal_stackframe_output_string(void)
{
int traces_size, i;
size_t len;
char *output, **traces;
len = 0;
if (OPAL_SUCCESS != opal_backtrace_buffer(&traces, &traces_size)) {
return NULL;
}
/* Calculate the space needed for the string */
for (i = 3; i < traces_size; i++) {
if (NULL == traces[i]) {
break;
}
len += strlen(traces[i]) + 1;
}
output = (char *) malloc(len + 1);
if (NULL == output) {
return NULL;
}
*output = '\0';
for (i = 3; i < traces_size; i++) {
if (NULL == traces[i]) {
break;
}
strcat(output, traces[i]);
strcat(output, "\n");
}
free(traces);
return output;
}
#endif /* OPAL_WANT_PRETTY_PRINT_STACKTRACE */
/**
* Here we register the show_stackframe function for signals
* passed to OpenMPI by the mpi_signal-parameter passed to mpirun
* by the user.
*
* @returnvalue OPAL_SUCCESS
* @returnvalue OPAL_ERR_BAD_PARAM if the value in the signal-list
* is not a valid signal-number
*
*/
int opal_util_register_stackhandlers (void)
{
#if OPAL_WANT_PRETTY_PRINT_STACKTRACE
struct sigaction act, old;
char * tmp;
char * next;
int i;
bool complain, showed_help = false;
gethostname(stacktrace_hostname, sizeof(stacktrace_hostname));
stacktrace_hostname[sizeof(stacktrace_hostname) - 1] = '\0';
/* to keep these somewhat readable, only print the machine name */
for (i = 0 ; i < (int)strlen(stacktrace_hostname) ; ++i) {
if (stacktrace_hostname[i] == '.') {
stacktrace_hostname[i] = '\0';
break;
}
}
memset(&act, 0, sizeof(act));
act.sa_sigaction = show_stackframe;
act.sa_flags = SA_SIGINFO;
#ifdef SA_ONESHOT
act.sa_flags |= SA_ONESHOT;
#else
act.sa_flags |= SA_RESETHAND;
#endif
for (tmp = next = opal_signal_string ;
next != NULL && *next != '\0';
tmp = next + 1)
{
int sig;
int ret;
complain = false;
sig = strtol (tmp, &next, 10);
/*
* If there is no sensible number in the string, exit.
* Similarly for any number which is not in the signal-number range
*/
if (((0 == sig) && (tmp == next)) || (0 > sig) || (_NSIG <= sig)) {
opal_show_help("help-opal-util.txt",
"stacktrace bad signal", true,
opal_signal_string, tmp);
return OPAL_ERR_SILENT;
} else if (next == NULL) {
return OPAL_ERR_BAD_PARAM;
} else if (':' == *next &&
0 == strncasecmp(next, ":complain", 9)) {
complain = true;
next += 9;
} else if (',' != *next && '\0' != *next) {
return OPAL_ERR_BAD_PARAM;
}
/* Just query first */
ret = sigaction (sig, NULL, &old);
if (0 != ret) {
return OPAL_ERR_IN_ERRNO;
}
/* Was there something already there? */
if (SIG_IGN != old.sa_handler && SIG_DFL != old.sa_handler) {
if (!showed_help && complain) {
/* JMS This is icky; there is no error message
aggregation here so this message may be repeated for
every single MPI process... */
opal_show_help("help-opal-util.txt",
"stacktrace signal override",
true, sig, sig, sig, opal_signal_string);
showed_help = true;
}
}
/* Nope, nothing was there, so put in ours */
else {
if (0 != sigaction(sig, &act, NULL)) {
return OPAL_ERR_IN_ERRNO;
}
}
}
#endif /* OPAL_WANT_PRETTY_PRINT_STACKTRACE */
return OPAL_SUCCESS;
}
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