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#include "../perf.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "session.h"
#include "thread.h"
#include "util.h"
#include "debug.h"
struct thread *thread__new(pid_t pid, pid_t tid)
{
struct thread *self = zalloc(sizeof(*self));
if (self != NULL) {
map_groups__init(&self->mg);
self->pid_ = pid;
self->tid = tid;
self->ppid = -1;
self->comm = malloc(32);
if (self->comm)
snprintf(self->comm, 32, ":%d", self->tid);
}
return self;
}
void thread__delete(struct thread *self)
{
map_groups__exit(&self->mg);
free(self->comm);
free(self);
}
int thread__set_comm(struct thread *self, const char *comm)
{
int err;
if (self->comm)
free(self->comm);
self->comm = strdup(comm);
err = self->comm == NULL ? -ENOMEM : 0;
if (!err) {
self->comm_set = true;
}
return err;
}
int thread__comm_len(struct thread *self)
{
if (!self->comm_len) {
if (!self->comm)
return 0;
self->comm_len = strlen(self->comm);
}
return self->comm_len;
}
size_t thread__fprintf(struct thread *thread, FILE *fp)
{
return fprintf(fp, "Thread %d %s\n", thread->tid, thread->comm) +
map_groups__fprintf(&thread->mg, verbose, fp);
}
void thread__insert_map(struct thread *self, struct map *map)
{
map_groups__fixup_overlappings(&self->mg, map, verbose, stderr);
map_groups__insert(&self->mg, map);
}
int thread__fork(struct thread *self, struct thread *parent)
{
int i;
if (parent->comm_set) {
if (self->comm)
free(self->comm);
self->comm = strdup(parent->comm);
if (!self->comm)
return -ENOMEM;
self->comm_set = true;
}
for (i = 0; i < MAP__NR_TYPES; ++i)
if (map_groups__clone(&self->mg, &parent->mg, i) < 0)
return -ENOMEM;
self->ppid = parent->tid;
return 0;
}
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