| thr_kern.c (123312) | thr_kern.c (123668) |
|---|---|
| 1/* 2 * Copyright (C) 2003 Daniel M. Eischen <deischen@freebsd.org> 3 * Copyright (C) 2002 Jonathon Mini <mini@freebsd.org> 4 * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 19 unchanged lines hidden (view full) --- 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 */ 35#include <sys/cdefs.h> | 1/* 2 * Copyright (C) 2003 Daniel M. Eischen <deischen@freebsd.org> 3 * Copyright (C) 2002 Jonathon Mini <mini@freebsd.org> 4 * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 19 unchanged lines hidden (view full) --- 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 */ 35#include <sys/cdefs.h> |
| 36__FBSDID("$FreeBSD: head/lib/libkse/thread/thr_kern.c 123312 2003-12-09 02:20:56Z davidxu $"); | 36__FBSDID("$FreeBSD: head/lib/libkse/thread/thr_kern.c 123668 2003-12-19 13:24:54Z davidxu $"); |
| 37 38#include <sys/types.h> 39#include <sys/kse.h> 40#include <sys/signalvar.h> 41#include <sys/queue.h> 42#include <machine/atomic.h> 43#include <machine/sigframe.h> 44 --- 149 unchanged lines hidden (view full) --- 194 * single threaded. 195 * 196 * XXX 197 * POSIX says for threaded process, fork() function is used 198 * only to run new programs, and the effects of calling functions 199 * that require certain resources between the call to fork() and 200 * the call to an exec function are undefined. 201 * | 37 38#include <sys/types.h> 39#include <sys/kse.h> 40#include <sys/signalvar.h> 41#include <sys/queue.h> 42#include <machine/atomic.h> 43#include <machine/sigframe.h> 44 --- 149 unchanged lines hidden (view full) --- 194 * single threaded. 195 * 196 * XXX 197 * POSIX says for threaded process, fork() function is used 198 * only to run new programs, and the effects of calling functions 199 * that require certain resources between the call to fork() and 200 * the call to an exec function are undefined. 201 * |
| 202 * Here it is not safe to reinitialize the library after fork(). 203 * Because memory management may be corrupted, further calling 204 * malloc()/free() may cause undefined behavior. | 202 * It is not safe to free memory after fork(), because these data 203 * structures may be in inconsistent state. |
| 205 */ 206void 207_kse_single_thread(struct pthread *curthread) 208{ 209#ifdef NOTYET 210 struct kse *kse; 211 struct kse_group *kseg; 212 struct pthread *thread; --- 2289 unchanged lines hidden --- | 204 */ 205void 206_kse_single_thread(struct pthread *curthread) 207{ 208#ifdef NOTYET 209 struct kse *kse; 210 struct kse_group *kseg; 211 struct pthread *thread; --- 2289 unchanged lines hidden --- |