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/*
Copyright (C) 2008, 2009, 2010 Jiri Olsa <olsajiri@gmail.com>
This file is part of the latrace.
The latrace is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
The latrace is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the latrace (file COPYING). If not, see
<http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
#include "config.h"
struct lt_thread *lt_thread_add(struct lt_config_app *cfg, int fd, pid_t pid)
{
struct lt_thread *t;
if (NULL == (t = (struct lt_thread*) malloc(sizeof(struct lt_thread)))) {
perror("malloc failed");
return NULL;
}
memset(t, 0x0, sizeof(*t));
if (-1 == lt_stats_alloc(cfg, t)) {
free(t);
return NULL;
}
t->fifo_fd = fd;
t->tid = pid;
gettimeofday(&t->tv_start, NULL);
t->next = cfg->threads;
cfg->threads = t;
return t;
}
struct lt_thread *lt_thread_first(struct lt_config_app *cfg)
{
return cfg->iter = cfg->threads;
}
struct lt_thread *lt_thread_next(struct lt_config_app *cfg)
{
return cfg->iter = (cfg->iter ? cfg->iter->next : NULL);
}
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