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b05d16ce44
Add engine status on failed assert. Also add panic info to log status in preparation for making available via engine status. git-svn-id: file:///svn/toku/tokudb@25469 c7de825b-a66e-492c-adef-691d508d4ae1
89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/* -*- mode: C; c-basic-offset: 4 -*- */
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#ident "Copyright (c) 2007-2010 Tokutek Inc. All rights reserved."
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#include <toku_portability.h>
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#include "toku_assert.h"
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#include <stdlib.h>
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#include <stdio.h>
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#if !TOKU_WINDOWS
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#include <execinfo.h>
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#endif
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#if !TOKU_WINDOWS
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#define N_POINTERS 1000
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// These are statically allocated so that the backtrace can run without any calls to malloc()
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static void *backtrace_pointers[N_POINTERS];
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#endif
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int (*toku_maybe_get_engine_status_text_p)(char* buff, int buffsize); // tentative definition: if linked to ydb, will have non-zero value
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void (*do_assert_hook)(void) = NULL;
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static void toku_do_backtrace_abort(void) __attribute__((noreturn));
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static void
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toku_do_backtrace_abort(void) {
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// backtrace
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#if !TOKU_WINDOWS
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int n = backtrace(backtrace_pointers, N_POINTERS);
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fprintf(stderr, "Backtrace: (Note: toku_do_assert=0x%p)\n", toku_do_assert); fflush(stderr);
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backtrace_symbols_fd(backtrace_pointers, n, fileno(stderr));
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#endif
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fflush(stderr);
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if (toku_maybe_get_engine_status_text_p) {
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int r;
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int buffsize = 1024 * 32;
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char buff[buffsize];
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r = toku_maybe_get_engine_status_text_p(buff, buffsize);
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fprintf(stderr, "Engine status:\n%s\n", buff);
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}
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else
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fprintf(stderr, "Engine status function not available\n");
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fflush(stderr);
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#if TOKU_WINDOWS
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//Following commented methods will not always end the process (could hang).
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//They could be unacceptable for other reasons as well (popups,
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//flush buffers before quitting, etc)
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// abort()
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// assert(FALSE) (assert.h assert)
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// raise(SIGABRT)
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// divide by 0
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// null dereference
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// _exit
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// exit
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// ExitProcess
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TerminateProcess(GetCurrentProcess(), 134); //Only way found so far to unconditionally
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//Terminate the process
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#endif
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if (do_assert_hook) do_assert_hook();
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abort();
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}
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void
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toku_do_assert_fail (const char *expr_as_string, const char *function, const char *file, int line, int caller_errno) {
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fprintf(stderr, "%s:%d %s: Assertion `%s' failed (errno=%d)\n", file, line, function, expr_as_string, caller_errno);
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toku_do_backtrace_abort();
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}
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void
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toku_do_assert_zero_fail (uintptr_t expr, const char *expr_as_string, const char *function, const char *file, int line, int caller_errno) {
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fprintf(stderr, "%s:%d %s: Assertion `%s == 0' failed (errno=%d) (%s=%"PRIuPTR")\n", file, line, function, expr_as_string, caller_errno, expr_as_string, expr);
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toku_do_backtrace_abort();
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}
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void
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toku_do_assert(int expr, const char *expr_as_string, const char *function, const char* file, int line, int caller_errno) {
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if (expr == 0)
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toku_do_assert_fail(expr_as_string, function, file, line, caller_errno);
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}
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