#include <u.h>#include <libc.h>#include <thread.h>#include "threadimpl.h" intthreadid(void){ return _threadgetproc()->thread->id;} intthreadpid(int id){ int pid; Proc *p; Thread *t; if (id < 0) return -1; if (id == 0) return _threadgetproc()->pid; lock(&_threadpq.lock); for (p = _threadpq.head; p; p = p->next){ lock(&p->lock); for (t = p->threads.head; t; t = t->nextt) if (t->id == id){ pid = p->pid; unlock(&p->lock); unlock(&_threadpq.lock); return pid; } unlock(&p->lock); } unlock(&_threadpq.lock); return -1;} intthreadsetgrp(int ng){ int og; Thread *t; t = _threadgetproc()->thread; og = t->grp; t->grp = ng; return og;} intthreadgetgrp(void){ return _threadgetproc()->thread->grp;} voidthreadsetname(char *fmt, ...){ int fd; char buf[32]; va_list arg; Proc *p; Thread *t; p = _threadgetproc(); t = p->thread; if (t->cmdname) free(t->cmdname); va_start(arg, fmt); t->cmdname = vsmprint(fmt, arg); va_end(arg); if(t->cmdname && p->nthreads == 1){ snprint(buf, sizeof buf, "/proc/%lud/args", (ulong)getpid()); if((fd = open(buf, OWRITE|OCEXEC)) >= 0){ write(fd, t->cmdname, strlen(t->cmdname)+1); close(fd); } }} char*threadgetname(void){ return _threadgetproc()->thread->cmdname;} void**threaddata(void){ return &_threadgetproc()->thread->udata;} void**procdata(void){ return &_threadgetproc()->udata;}
#include <u.h>
#include <libc.h>
#include <thread.h>
#include "threadimpl.h"
int
threadid(void)
{
return _threadgetproc()->thread->id;
}
int
threadpid(int id)
{
int pid;
Proc *p;
Thread *t;
if (id < 0)
return -1;
if (id == 0)
return _threadgetproc()->pid;
lock(&_threadpq.lock);
for (p = _threadpq.head; p; p = p->next){
lock(&p->lock);
for (t = p->threads.head; t; t = t->nextt)
if (t->id == id){
pid = p->pid;
unlock(&p->lock);
unlock(&_threadpq.lock);
return pid;
}
unlock(&p->lock);
}
unlock(&_threadpq.lock);
return -1;
}
int
threadsetgrp(int ng)
{
int og;
Thread *t;
t = _threadgetproc()->thread;
og = t->grp;
t->grp = ng;
return og;
}
int
threadgetgrp(void)
{
return _threadgetproc()->thread->grp;
}
void
threadsetname(char *fmt, ...)
{
int fd;
char buf[32];
va_list arg;
Proc *p;
Thread *t;
p = _threadgetproc();
t = p->thread;
if (t->cmdname)
free(t->cmdname);
va_start(arg, fmt);
t->cmdname = vsmprint(fmt, arg);
va_end(arg);
if(t->cmdname && p->nthreads == 1){
snprint(buf, sizeof buf, "/proc/%lud/args", (ulong)getpid());
if((fd = open(buf, OWRITE|OCEXEC)) >= 0){
write(fd, t->cmdname, strlen(t->cmdname)+1);
close(fd);
}
}
}
char*
threadgetname(void)
{
return _threadgetproc()->thread->cmdname;
}
void**
threaddata(void)
{
return &_threadgetproc()->thread->udata;
}
void**
procdata(void)
{
return &_threadgetproc()->udata;
}