ref: e1907b41d32441e79e8cc3db26afc5f0c4cdcef9
dir: /sys/src/libthread/id.c/
#include <u.h> #include <libc.h> #include <thread.h> #include "threadimpl.h" #include <tos.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[128]; 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, "#p/%lud/args", _tos->pid); //getpid()); if((fd = open(buf, OWRITE)) >= 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; }