/* * (C) Finite State Machine Labs Inc. 1999-2000 <business@fsmlabs.com> * * Released under the terms of GPL 2. * Open RTLinux makes use of a patented process described in * US Patent 5,995,745. Use of this process is governed * by the Open RTLinux Patent License which can be obtained from * www.fsmlabs.com/PATENT or by sending email to * licensequestions@fsmlabs.com */#include <stdio.h>#include <signal.h>#include <rtl_tracer.h>#include "tracedump.h"#include <fcntl.h>#include <sys/ioctl.h>#include <unistd.h>#include <sys/mman.h>#include <mbuff.h>struct rtl_trace_buffer *rtl_buffer;struct rtl_trace_eventinfo_struct *rtl_trace_event_info = 0;void do_rtl_dump(const char *stuff){	printf(stuff);}static void cleanup(int signo){	fprintf(stderr, "tracer cleanup (signal %d)\n", signo);	mbuff_detach (RTL_TRACER_SHMEM, rtl_buffer);	mbuff_detach (RTL_TRACER_SHMEM_INFO, rtl_trace_event_info);	exit(0);}int main(){	int i;	if (signal(SIGSEGV, SIG_IGN) != SIG_IGN) {		signal(SIGSEGV, cleanup);	}	if (signal(SIGINT, SIG_IGN) != SIG_IGN) {		signal(SIGINT, cleanup);	}	if (signal(SIGTERM, SIG_IGN) != SIG_IGN) {		signal(SIGTERM, cleanup);	}	if (signal(SIGHUP, SIG_IGN) != SIG_IGN) {		signal(SIGHUP, cleanup);	}	rtl_buffer = (struct rtl_trace_buffer *) mbuff_attach (RTL_TRACER_SHMEM, sizeof(struct rtl_trace_buffer) * RTL_TNBUFFERS);	if (!rtl_buffer) {		fprintf(stderr, "accessing mbuff failed\n");		return -1;	}	rtl_trace_event_info = (struct rtl_trace_eventinfo_struct *) mbuff_attach (RTL_TRACER_SHMEM_INFO, sizeof(struct rtl_trace_eventinfo_struct) * RTL_TRACE_MAX_EVENTS);	if (!rtl_trace_event_info) {		fprintf(stderr, "accessing mbuff failed\n");		mbuff_detach (RTL_TRACER_SHMEM, rtl_buffer);		return -1;	}	while (1) {		for (i = 0; i < RTL_TNBUFFERS; i ++)		{			if (rtl_buffer[i].state) {				rtl_trace_dump(&rtl_buffer[i], &do_rtl_dump);				rtl_buffer[i] . state = 0;				fflush(stdout);			}		}		sleep(1);	}	return 0;}