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