diff options
| -rw-r--r-- | ChangeLog | 50 | ||||
| -rw-r--r-- | NEWS | 4 |
2 files changed, 52 insertions, 2 deletions
@@ -1,3 +1,53 @@ +2003-01-08 Roland McGrath <roland@redhat.com> + + * NEWS: Update for 4.4.90 test release. + + Support for new Linux 2.5 thread features. + * defs.h [LINUX]: Define __NR_exit_group if not defined. + (struct tcb): New members nclone_threads, nclone_detached, + and nclone_waiting. + (TCB_CLONE_DETACHED, TCB_CLONE_THREAD, TCB_GROUP_EXITING): New macros. + (waiting_parent): Macro removed. + (pid2tcb): Declare it. + * process.c (internal_clone) [TCB_CLONE_THREAD]: Reparent the new + child to our parent if we are a CLONE_THREAD child ourselves. + Maintain TCB_CLONE_THREAD and TCB_CLONE_DETACHED flags and counts. + (internal_wait) [TCB_CLONE_THREAD]: Factor out detached children when + determining if we have any. If TCB_CLONE_THREAD is set, check + parent's children instead of our own, and bump nclone_waiting count. + (internal_exit) [__NR_exit_group]: Set the TCB_GROUP_EXITING flag if + the syscall was exit_group. + * syscall.c (internal_syscall): Use internal_exit for exit_group. + * strace.c (pid2tcb): No longer static. + (alloctcb) [TCB_CLONE_THREAD]: Initialize new fields. + (droptcb) [TCB_CLONE_THREAD]: Maintain new fields. + If we have thread children, set TCB_EXITING and don't clear the TCB. + (resume) [TCB_CLONE_THREAD]: Decrement parent's nclone_waiting. + (detach) [TCB_CLONE_THREAD]: When calling resume, check all thread + children of our parent that might be waiting for us too. + [TCB_GROUP_EXITING] (handle_group_exit): New function. + (trace) [TCB_GROUP_EXITING]: Use that in place of detach or droptcb. + + Revamp -f support for Linux. + * util.c [LINUX] (setbpt, clearbpt): New implementations that tweak + the system call to be clone with CLONE_PTRACE set. Various new static + helper functions. + * process.c (internal_clone): Define also #ifdef SYS_clone2. + Initialize TCPCHILD->parent field. + [CLONE_PTRACE]: Don't do PTRACE_ATTACH here, because it's preattached. + Check in case the new child is in the tcb already. + (internal_fork) [LINUX]: Just call internal_clone. + * strace.c (trace) [LINUX]: Under -f/-F, grok an unknown pid + reporting to wait, put it in the TCB with TCB_ATTACHED|TCB_SUSPENDED. + + * linux/x86_64/syscallent1.h (sys_oldlstat): #define as printargs. + + * file.c [LINUX]: #undef st_[amc]time in case they are macros. + + * Makefile.am (AM_CFLAGS): New variable, define to $(WARNFLAGS). + + * Makefile.am (EXTRA_DIST): Remove debian/postinst and debian/prerm. + 2003-01-09 Wichert Akkerman <wichert@deephackmode.org> * debian/postinst, debian/prerm: removed, /usr/doc symlink is no @@ -1,4 +1,4 @@ -Changes in CVS (not yet released) +Changes in 4.4.90 TEST release ============== * New port to AMD's x86-64 architecture. One strace binary can handle both new x86-64 and old i386 processes. @@ -6,7 +6,7 @@ Changes in CVS (not yet released) * New switch (-z) for printing only non-failing syscalls. * Merged s390/s390x port. * Trace an unbounded number of processes. -* Handle numerous new system calls in Linux 2.5. +* Handle numerous new system calls in Linux 2.5, and new threads semantics. * Fixed bugs with attach/detach leaving things stopped. * Fixed traced process seeing ECHILD despite live, traced children in waitpid calls with WNOHANG. |