示例#1
0
void
ltrace_init(int argc, char **argv) {
	struct opt_p_t *opt_p_tmp;

	atexit(normal_exit);
	signal(SIGINT, signal_exit);	/* Detach processes when interrupted */
	signal(SIGTERM, signal_exit);	/*  ... or killed */

	argv = process_options(argc, argv);
	init_global_config();
	while (opt_F) {
		/* If filename begins with ~, expand it to the user's home */
		/* directory. This does not correctly handle ~yoda, but that */
		/* isn't as bad as it seems because the shell will normally */
		/* be doing the expansion for us; only the hardcoded */
		/* ~/.ltrace.conf should ever use this code. */
		if (opt_F->filename[0] == '~') {
			char path[PATH_MAX];
			char *home_dir = getenv("HOME");
			if (home_dir) {
				strncpy(path, home_dir, PATH_MAX - 1);
				path[PATH_MAX - 1] = '\0';
				strncat(path, opt_F->filename + 1,
						PATH_MAX - strlen(path) - 1);
				read_config_file(path);
			}
		} else {
			read_config_file(opt_F->filename);
		}

		struct opt_F_t *next = opt_F->next;
		if (opt_F->own_filename)
			free(opt_F->filename);
		free(opt_F);
		opt_F = next;
	}
	if (command) {
		/* Check that the binary ABI is supported before
		 * calling execute_program.  */
		struct ltelf lte = {};
		open_elf(&lte, command);
		do_close_elf(&lte);

		pid_t pid = execute_program(command, argv);
		struct Process *proc = open_program(command, pid);
		if (proc == NULL) {
			fprintf(stderr, "couldn't open program '%s': %s\n",
				command, strerror(errno));
			exit(EXIT_FAILURE);
		}

		trace_set_options(proc);
		continue_process(pid);
	}
	opt_p_tmp = opt_p;
	while (opt_p_tmp) {
		open_pid(opt_p_tmp->pid);
		opt_p_tmp = opt_p_tmp->next;
	}
}
示例#2
0
void
ltrace_init(int argc, char **argv) {
	struct opt_p_t *opt_p_tmp;

#ifdef HAVE_PYTHON
	Py_Initialize();
#endif

	atexit(normal_exit);
	signal(SIGINT, signal_exit);	/* Detach processes when interrupted */
	signal(SIGTERM, signal_exit);	/*  ... or killed */

	argv = process_options(argc, argv);
	while (opt_F) {
		/* If filename begins with ~, expand it to the user's home */
		/* directory. This does not correctly handle ~yoda, but that */
		/* isn't as bad as it seems because the shell will normally */
		/* be doing the expansion for us; only the hardcoded */
		/* ~/.ltrace.conf should ever use this code. */
		if (opt_F->filename[0] == '~') {
			char path[PATH_MAX];
			char *home_dir = getenv("HOME");
			if (home_dir) {
				strncpy(path, home_dir, PATH_MAX - 1);
				path[PATH_MAX - 1] = '\0';
				strncat(path, opt_F->filename + 1,
						PATH_MAX - strlen(path) - 1);
				read_config_file(path);
			}
		} else {
			read_config_file(opt_F->filename);
		}
		opt_F = opt_F->next;
	}
	if (opt_e) {
		struct opt_e_t *tmp = opt_e;
		while (tmp) {
			debug(1, "Option -e: %s\n", tmp->name);
			tmp = tmp->next;
		}
	}
	if (command) {
		/* Check that the binary ABI is supported before
		 * calling execute_program.  */
		struct ltelf lte = {};
		open_elf(&lte, command);

		open_program(command, execute_program(command, argv), 0);
	}
	opt_p_tmp = opt_p;
	while (opt_p_tmp) {
		open_pid(opt_p_tmp->pid);
		opt_p_tmp = opt_p_tmp->next;
	}
}
示例#3
0
void
ltrace_init(int argc, char **argv)
{
	setlocale(LC_ALL, "");

	struct opt_p_t *opt_p_tmp;

	atexit(normal_exit);
	signal(SIGINT, signal_exit);	/* Detach processes when interrupted */
	signal(SIGTERM, signal_exit);	/*  ... or killed */

	argv = process_options(argc, argv);
	init_global_config();

	if (command) {
		/* Check that the binary ABI is supported before
		 * calling execute_program.  */
		{
			struct ltelf lte;
			if (ltelf_init(&lte, command) == 0)
				ltelf_destroy(&lte);
			else
				exit(EXIT_FAILURE);
		}

		pid_t pid = execute_program(command, argv);
		struct process *proc = open_program(command, pid);
		if (proc == NULL) {
			fprintf(stderr, "couldn't open program '%s': %s\n",
				command, strerror(errno));
			exit(EXIT_FAILURE);
		}

		trace_set_options(proc);
		continue_process(pid);
	}
	opt_p_tmp = opt_p;
	while (opt_p_tmp) {
		open_pid(opt_p_tmp->pid);
		opt_p_tmp = opt_p_tmp->next;
	}
}
示例#4
0
文件： dump.c 项目： IngenicC/bootchart 
/*
 * Used to find, extract and dump state from
 * a running bootchartd process.
 */
int
buffers_extract_and_dump (const char *output_path, Arguments *remote_args)
{
	int i, pid, ret = 0;
	DumpState *state;

	assert (!chdir (output_path));

	pid = bootchart_find_running_pid (remote_args);
	if (pid < 0) {
		log ("Failed to find the collector's pid\n");
		return 1;
	}
	log ("Extracting profile data from pid %d\n", pid);

	/* the kernel for reasons of it's own really likes to return
	   ESRCH - No such process from pread randomly, so retry a bit */
	for (i = 0; i < 8; i++) {
		if (!(state = open_pid (pid)))
			return 1;

		if (find_chunks (state)) {
			ret = 1;
			log ("Couldn't find state structures on pid %d's stack%s\n",
				 pid, i < 7 ? ", retrying" : " aborting");
			close_pid (state, 1);
		} else {
			ret = 0;
			dump_buffers (state);
			close_wait_pid (state, 0);
			break;
		}
	}

	return ret;
}