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path: root/proc/wait.c
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2012-11-27Switch from cthreads to pthreadsRichard Braun
Makefiles, headers, types, macros and function calls are renamed where appropriate. Most of this work was done by Barry deFreese and Thomas DiModica. * auth/Makefile: Switch from cthreads to pthreads. * auth/auth.c: Likewise. * boot/Makefile: Likewise. * boot/boot.c: Likewise. * boot/ux.c: Likewise. * console-client/Makefile: Likewise. * console-client/console.c: Likewise. * console-client/driver.c: Likewise. * console-client/driver.h: Likewise. * console-client/generic-speaker.c: Likewise. * console-client/kbd-repeat.c: Likewise. * console-client/ncursesw.c: Likewise. * console-client/pc-kbd.c: Likewise. * console-client/pc-mouse.c: Likewise. * console-client/timer.c: Likewise. * console-client/trans.c: Likewise. * console-client/vga.c: Likewise. * console/Makefile: Likewise. * console/console.c: Likewise. * console/display.c: Likewise. * console/input.c: Likewise. * console/pager.c: Likewise. * defpager/backing.c: Likewise. * exec/Makefile: Likewise. * exec/exec.c: Likewise. * exec/hashexec.c: Likewise. * exec/priv.h: Likewise. * ext2fs/Makefile: Likewise. * ext2fs/balloc.c: Likewise. * ext2fs/dir.c: Likewise. * ext2fs/ext2fs.c: Likewise. * ext2fs/ext2fs.h: Likewise. * ext2fs/ialloc.c: Likewise. * ext2fs/inode.c: Likewise. * ext2fs/msg.c: Likewise. * ext2fs/pager.c: Likewise. * ext2fs/pokel.c: Likewise. * ext2fs/storeinfo.c: Likewise. * ext2fs/truncate.c: Likewise. * fatfs/Makefile: Likewise. * fatfs/dir.c: Likewise. * fatfs/fat.c: Likewise. * fatfs/fatfs.h: Likewise. * fatfs/inode.c: Likewise. * fatfs/main.c: Likewise. * fatfs/pager.c: Likewise. * fatfs/virt-inode.c: Likewise. * ftpfs/Makefile: Likewise. * ftpfs/ccache.c: Likewise. * ftpfs/ccache.h: Likewise. * ftpfs/conn.c: Likewise. * ftpfs/dir.c: Likewise. * ftpfs/fs.c: Likewise. * ftpfs/ftpfs.c: Likewise. * ftpfs/ftpfs.h: Likewise. * ftpfs/ncache.c: Likewise. * ftpfs/netfs.c: Likewise. * ftpfs/node.c: Likewise. * hostmux/Makefile: Likewise. * hostmux/hostmux.h: Likewise. * hostmux/mux.c: Likewise. * hostmux/node.c: Likewise. * hostmux/stubs.c: Likewise. * hurd/shared.h: Likewise. * isofs/Makefile: Likewise. * isofs/inode.c: Likewise. * isofs/lookup.c: Likewise. * isofs/main.c: Likewise. * isofs/pager.c: Likewise. * libcons/Makefile: Likewise. * libcons/cons-switch.c: Likewise. * libcons/cons.h: Likewise. * libcons/dir-changed.c: Likewise. * libcons/file-changed.c: Likewise. * libcons/init-init.c: Likewise. * libcons/vcons-close.c: Likewise. * libcons/vcons-input.c: Likewise. * libcons/vcons-move-mouse.c: Likewise. * libcons/vcons-open.c: Likewise. * libcons/vcons-scrollback.c: Likewise. * libdiskfs/Makefile: Likewise. * libdiskfs/boot-start.c: Likewise. * libdiskfs/dead-name.c: Likewise. * libdiskfs/dir-chg.c: Likewise. * libdiskfs/dir-link.c: Likewise. * libdiskfs/dir-lookup.c: Likewise. * libdiskfs/dir-mkdir.c: Likewise. * libdiskfs/dir-mkfile.c: Likewise. * libdiskfs/dir-readdir.c: Likewise. * libdiskfs/dir-rename.c: Likewise. * libdiskfs/dir-renamed.c: Likewise. * libdiskfs/dir-rmdir.c: Likewise. * libdiskfs/dir-unlink.c: Likewise. * libdiskfs/disk-pager.c: Likewise. * libdiskfs/diskfs-pager.h: Likewise. * libdiskfs/diskfs.h: Likewise. * libdiskfs/file-access.c: Likewise. * libdiskfs/file-chg.c: Likewise. * libdiskfs/file-exec.c: Likewise. * libdiskfs/file-get-fs-opts.c: Likewise. * libdiskfs/file-get-trans.c: Likewise. * libdiskfs/file-get-transcntl.c: Likewise. * libdiskfs/file-getcontrol.c: Likewise. * libdiskfs/file-getfh.c: Likewise. * libdiskfs/file-lock-stat.c: Likewise. * libdiskfs/file-lock.c: Likewise. * libdiskfs/file-reparent.c: Likewise. * libdiskfs/file-set-trans.c: Likewise. * libdiskfs/file-sync.c: Likewise. * libdiskfs/file-syncfs.c: Likewise. * libdiskfs/fsys-getroot.c: Likewise. * libdiskfs/fsys-options.c: Likewise. * libdiskfs/fsys-syncfs.c: Likewise. * libdiskfs/ifsock.c: Likewise. * libdiskfs/init-first.c: Likewise. * libdiskfs/init-init.c: Likewise. * libdiskfs/init-startup.c: Likewise. * libdiskfs/io-duplicate.c: Likewise. * libdiskfs/io-get-conch.c: Likewise. * libdiskfs/io-identity.c: Likewise. * libdiskfs/io-map-cntl.c: Likewise. * libdiskfs/io-map.c: Likewise. * libdiskfs/io-modes-get.c: Likewise. * libdiskfs/io-modes-off.c: Likewise. * libdiskfs/io-modes-on.c: Likewise. * libdiskfs/io-modes-set.c: Likewise. * libdiskfs/io-owner-get.c: Likewise. * libdiskfs/io-owner-mod.c: Likewise. * libdiskfs/io-prenotify.c: Likewise. * libdiskfs/io-read.c: Likewise. * libdiskfs/io-readable.c: Likewise. * libdiskfs/io-reauthenticate.c: Likewise. * libdiskfs/io-rel-conch.c: Likewise. * libdiskfs/io-restrict-auth.c: Likewise. * libdiskfs/io-revoke.c: Likewise. * libdiskfs/io-seek.c: Likewise. * libdiskfs/io-sigio.c: Likewise. * libdiskfs/io-stat.c: Likewise. * libdiskfs/io-write.c: Likewise. * libdiskfs/lookup.c: Likewise. * libdiskfs/name-cache.c: Likewise. * libdiskfs/node-drop.c: Likewise. * libdiskfs/node-make.c: Likewise. * libdiskfs/node-nput.c: Likewise. * libdiskfs/node-nputl.c: Likewise. * libdiskfs/node-nref.c: Likewise. * libdiskfs/node-nrefl.c: Likewise. * libdiskfs/node-nrele.c: Likewise. * libdiskfs/node-nrelel.c: Likewise. * libdiskfs/peropen-rele.c: Likewise. * libdiskfs/priv.h: Likewise. * libdiskfs/shutdown.c: Likewise. * libdiskfs/sync-interval.c: Likewise. * libfshelp/Makefile: Likewise. * libfshelp/fetch-root.c: Likewise. * libfshelp/fshelp.h: Likewise. * libfshelp/get-identity.c: Likewise. * libfshelp/lock-acquire.c: Likewise. * libfshelp/lock-init.c: Likewise. * libfshelp/locks.h: Likewise. * libfshelp/set-active.c: Likewise. * libfshelp/trans.h: Likewise. * libfshelp/transbox-init.c: Likewise. * libiohelp/Makefile: Likewise. * libiohelp/get_conch.c: Likewise. * libiohelp/handle_io_release_conch.c: Likewise. * libiohelp/initialize_conch.c: Likewise. * libiohelp/iohelp.h: Likewise. * libiohelp/verify_user_conch.c: Likewise. * libnetfs/Makefile: Likewise. * libnetfs/dir-lookup.c: Likewise. * libnetfs/dir-mkdir.c: Likewise. * libnetfs/dir-mkfile.c: Likewise. * libnetfs/dir-readdir.c: Likewise. * libnetfs/dir-rmdir.c: Likewise. * libnetfs/dir-unlink.c: Likewise. * libnetfs/drop-node.c: Likewise. * libnetfs/file-chauthor.c: Likewise. * libnetfs/file-check-access.c: Likewise. * libnetfs/file-chflags.c: Likewise. * libnetfs/file-chmod.c: Likewise. * libnetfs/file-chown.c: Likewise. * libnetfs/file-exec.c: Likewise. * libnetfs/file-get-storage-info.c: Likewise. * libnetfs/file-get-translator.c: Likewise. * libnetfs/file-lock-stat.c: Likewise. * libnetfs/file-lock.c: Likewise. * libnetfs/file-reparent.c: Likewise. * libnetfs/file-set-size.c: Likewise. * libnetfs/file-set-translator.c: Likewise. * libnetfs/file-statfs.c: Likewise. * libnetfs/file-sync.c: Likewise. * libnetfs/file-syncfs.c: Likewise. * libnetfs/file-utimes.c: Likewise. * libnetfs/fsys-getroot.c: Likewise. * libnetfs/fsys-set-options.c: Likewise. * libnetfs/init-init.c: Likewise. * libnetfs/io-clear-some-openmodes.c: Likewise. * libnetfs/io-duplicate.c: Likewise. * libnetfs/io-get-openmodes.c: Likewise. * libnetfs/io-get-owner.c: Likewise. * libnetfs/io-identity.c: Likewise. * libnetfs/io-mod-owner.c: Likewise. * libnetfs/io-read.c: Likewise. * libnetfs/io-readable.c: Likewise. * libnetfs/io-reauthenticate.c: Likewise. * libnetfs/io-restrict-auth.c: Likewise. * libnetfs/io-revoke.c: Likewise. * libnetfs/io-seek.c: Likewise. * libnetfs/io-set-all-openmodes.c: Likewise. * libnetfs/io-set-some-openmodes.c: Likewise. * libnetfs/io-stat.c: Likewise. * libnetfs/io-write.c: Likewise. * libnetfs/make-node.c: Likewise. * libnetfs/netfs.h: Likewise. * libnetfs/nput.c: Likewise. * libnetfs/nref.c: Likewise. * libnetfs/nrele.c: Likewise. * libnetfs/release-peropen.c: Likewise. * libnetfs/shutdown.c: Likewise. * libpager/Makefile: Likewise. * libpager/chg-compl.c: Likewise. * libpager/clean.c: Likewise. * libpager/data-request.c: Likewise. * libpager/data-return.c: Likewise. * libpager/data-unlock.c: Likewise. * libpager/inhibit-term.c: Likewise. * libpager/lock-completed.c: Likewise. * libpager/lock-object.c: Likewise. * libpager/mark-error.c: Likewise. * libpager/no-senders.c: Likewise. * libpager/object-init.c: Likewise. * libpager/object-terminate.c: Likewise. * libpager/offer-page.c: Likewise. * libpager/pager-attr.c: Likewise. * libpager/pager-create.c: Likewise. * libpager/pager-shutdown.c: Likewise. * libpager/priv.h: Likewise. * libpager/seqnos.c: Likewise. * libpipe/Makefile: Likewise. * libpipe/pipe.c: Likewise. * libpipe/pipe.h: Likewise. * libports/Makefile: Likewise. * libports/begin-rpc.c: Likewise. * libports/bucket-iterate.c: Likewise. * libports/claim-right.c: Likewise. * libports/class-iterate.c: Likewise. * libports/complete-deallocate.c: Likewise. * libports/count-bucket.c: Likewise. * libports/count-class.c: Likewise. * libports/create-bucket.c: Likewise. * libports/create-internal.c: Likewise. * libports/destroy-right.c: Likewise. * libports/enable-bucket.c: Likewise. * libports/enable-class.c: Likewise. * libports/end-rpc.c: Likewise. * libports/get-right.c: Likewise. * libports/import-port.c: Likewise. * libports/inhibit-all-rpcs.c: Likewise. * libports/inhibit-bucket-rpcs.c: Likewise. * libports/inhibit-class-rpcs.c: Likewise. * libports/inhibit-port-rpcs.c: Likewise. * libports/init.c: Likewise. * libports/interrupt-notified-rpcs.c: Likewise. * libports/interrupt-on-notify.c: Likewise. * libports/interrupt-operation.c: Likewise. * libports/interrupt-rpcs.c: Likewise. * libports/interrupted.c: Likewise. * libports/lookup-port.c: Likewise. * libports/manage-multithread.c: Likewise. * libports/no-senders.c: Likewise. * libports/port-deref-weak.c: Likewise. * libports/port-deref.c: Likewise. * libports/port-ref-weak.c: Likewise. * libports/port-ref.c: Likewise. * libports/ports.h: Likewise. * libports/reallocate-from-external.c: Likewise. * libports/reallocate-port.c: Likewise. * libports/resume-all-rpcs.c: Likewise. * libports/resume-bucket-rpcs.c: Likewise. * libports/resume-class-rpcs.c: Likewise. * libports/resume-port-rpcs.c: Likewise. * libports/stubs.c: Likewise. * libports/transfer-right.c: Likewise. * libstore/Makefile: Likewise. * libstore/gunzip.c: Likewise. * libstore/part.c: Likewise. * libstore/unzipstore.c: Likewise. * libthreads/Makefile: Likewise. * libtreefs/dir-lookup.c: Likewise. * libtreefs/fsys-getroot.c: Likewise. * libtreefs/fsys-hooks.c: Likewise. * libtreefs/fsys.c: Likewise. * libtreefs/trans-help.c: Likewise. * libtreefs/trans-start.c: Likewise. * libtreefs/treefs.h: Likewise. * libtrivfs/cntl-create.c: Likewise. * libtrivfs/dyn-classes.c: Likewise. * libtrivfs/io-reauthenticate.c: Likewise. * libtrivfs/io-restrict-auth.c: Likewise. * libtrivfs/protid-clean.c: Likewise. * libtrivfs/protid-dup.c: Likewise. * libtrivfs/trivfs.h: Likewise. * mach-defpager/Makefile: Likewise. * mach-defpager/default_pager.c: Likewise. * mach-defpager/kalloc.c: Likewise. * mach-defpager/main.c: Likewise. * nfs/Makefile: Likewise. * nfs/cache.c: Likewise. * nfs/main.c: Likewise. * nfs/mount.c: Likewise. * nfs/name-cache.c: Likewise. * nfs/nfs.h: Likewise. * nfs/ops.c: Likewise. * nfs/rpc.c: Likewise. * nfsd/Makefile: Likewise. * nfsd/cache.c: Likewise. * nfsd/loop.c: Likewise. * nfsd/main.c: Likewise. * nfsd/nfsd.h: Likewise. * pfinet/Makefile: Likewise. * pfinet/ethernet.c: Likewise. * pfinet/glue-include/asm/spinlock.h: Likewise. * pfinet/glue-include/linux/interrupt.h: Likewise. * pfinet/glue-include/linux/sched.h: Likewise. * pfinet/glue-include/linux/timer.h: Likewise. * pfinet/glue-include/linux/wait.h: Likewise. * pfinet/iioctl-ops.c: Likewise. * pfinet/io-ops.c: Likewise. * pfinet/kmem_cache.c: Likewise. * pfinet/main.c: Likewise. * pfinet/options.c: Likewise. * pfinet/pfinet-ops.c: Likewise. * pfinet/pfinet.h: Likewise. * pfinet/sched.c: Likewise. * pfinet/socket-ops.c: Likewise. * pfinet/socket.c: Likewise. * pfinet/timer-emul.c: Likewise. * pfinet/tunnel.c: Likewise. * pflocal/Makefile: Likewise. * pflocal/connq.c: Likewise. * pflocal/io.c: Likewise. * pflocal/sock.c: Likewise. * pflocal/sock.h: Likewise. * pflocal/socket.c: Likewise. * pflocal/sserver.c: Likewise. * proc/Makefile: Likewise. * proc/info.c: Likewise. * proc/main.c: Likewise. * proc/mgt.c: Likewise. * proc/msg.c: Likewise. * proc/proc.h: Likewise. * proc/stubs.c: Likewise. * proc/wait.c: Likewise. * storeio/Makefile: Likewise. * storeio/dev.c: Likewise. * storeio/dev.h: Likewise. * storeio/open.c: Likewise. * storeio/open.h: Likewise. * storeio/pager.c: Likewise. * storeio/storeio.c: Likewise. * term/Makefile: Likewise. * term/devio.c: Likewise. * term/hurdio.c: Likewise. * term/main.c: Likewise. * term/munge.c: Likewise. * term/ptyio.c: Likewise. * term/term.h: Likewise. * term/users.c: Likewise. * tmpfs/Makefile: Likewise. * tmpfs/dir.c: Likewise. * tmpfs/node.c: Likewise. * tmpfs/tmpfs.c: Likewise. * tmpfs/tmpfs.h: Likewise. * trans/Makefile: Likewise. * trans/fakeroot.c: Likewise. * trans/fifo.c: Likewise. * trans/hello-mt.c: Likewise. * trans/new-fifo.c: Likewise. * trans/streamio.c: Likewise. * ufs/Makefile: Likewise. * ufs/alloc.c: Likewise. * ufs/dir.c: Likewise. * ufs/hyper.c: Likewise. * ufs/inode.c: Likewise. * ufs/main.c: Likewise. * ufs/pager.c: Likewise. * ufs/pokeloc.c: Likewise. * ufs/sizes.c: Likewise. * ufs/ufs.h: Likewise. * usermux/Makefile: Likewise. * usermux/mux.c: Likewise. * usermux/node.c: Likewise. * usermux/usermux.h: Likewise. * utils/Makefile: Likewise. * utils/fakeauth.c: Likewise. * utils/rpctrace.c: Likewise.
2001-08-062001-08-06 Roland McGrath <roland@frob.com>Roland McGrath
* wait.c (S_proc_wait: reap): Set *PID_STATUS to CHILD->p_pid. Reported by Neal H Walfield <neal@cs.uml.edu>.
2001-08-052001-08-05 Roland McGrath <roland@frob.com>Roland McGrath
* wait.c (sample_rusage): New function. (S_proc_mark_exit): Call it.
2001-08-042001-08-04 Roland McGrath <roland@frob.com>Roland McGrath
* proc.h (struct proc): New members p_rusage, p_child_rusage. * wait.c (rusage_add): New static function. (alert_parent): Use it to add dead child's p_rusage into parent's p_child_rusage. (S_proc_wait): Fill *RU out param with CHILD->p_rusage, not just zeros. Rewrote subfunction child_ready and its two callers into new subfunction reap to reduce duplicated code.
2001-04-152000-04-03 Neal H Walfield <neal@cs.uml.edu>Roland McGrath
* host.c: Doc fix: ``Implement foo as described in <hurd/proc.defs>'' => ``Implement foo as described in <hurd/process.defs>'' * info.c: Likewise. * mgt.c: Likewise. * pgrp.c: Likewise. * wait.c: Likewise. * host.c (S_proc_setexecdata): Check for memory allocation errors. Use memcpy, not bcopy. (S_proc_getexecdata): Likewise. (S_proc_execdata_notify): Check return of malloc. (S_proc_register_version): Likewise. (initialize_version_info): Add asserts. * info.c (S_proc_pid2task): Do not bother searching for the pid if we do not have a valid caller. (S_proc_pid2proc): Likewise. Use memcpy, not bcopy. (S_proc_getprocinfo): Doc fixes. Use MAP_FAILED not -1. Use memcpy, not bcopy. (S_proc_getloginpids): Check return value of malloc. Use realloc correctly. (S_proc_setlogin): Check return value of malloc. * main.c (main): Assert allocate_proc. * mgt.c (make_ids): Check return value of malloc and fail accordingly. (S_proc_reauthenticate): Check return value of make_ids and fail accordingly. (S_proc_child): Call task_find after we know that we were passed a valid child. (S_proc_reassign): Likewise. (S_proc_handle_exceptions): Use memcpy, not bcopy. (allocate_proc): Check return value of ports_create_port and fail accordingly. (create_startup_proc): Add asserts. (complete_proc): Do not assume the length of "<none>". * msg.c (S_proc_getmsgport): Call pid_find_allow_zombie after we know we were passed a valid caller. * pgrp.c: Include assert.h. (new_pgrp): Check return value of malloc and fail accordingly. (new_session): Likewise. (boot_setsid): Assert sess. (S_proc_getsessionpids): Use MAP_FAILED not -1. (S_proc_getsessionppids): Likewise. (S_proc_getpgrppids): Likewise. * wait.c (S_proc_wait): Use memset, not bzero.
1996-07-16(EWOULDBLOCK): Define to work around new libc bug.Michael I. Bushnell
1996-05-09(S_proc_wait): New parm SIGCODE; return p_sigcode in it.Michael I. Bushnell
(S_proc_mark_stop): New parm SIGCODE; record it. (S_proc_mark_exit): Likewise. (alert_parent): Set P->p_sigcode if process is dying irregularly.
1996-04-25 Many changes to support multi-threading. See ChangeLog.Michael I. Bushnell
1996-03-20(waiting_parent_cares): Delete function.Michael I. Bushnell
Don't include "interrupt_S.h". (alent_parent): Unconditionally enqueue zombie. Use condition_broadcast instead of continuation stuff. (S_interrupt_operation): Delete function. (abort_wait): Delete function. (reparent_zombies): Likewise. (S_proc_mark_stop): Likewise. (S_proc_wait): Use condition_wait instead of continuation stuff; never return EBUSY.
1995-11-21(S_interrupt_operation): Include new seqno parameter.Michael I. Bushnell
1995-11-14(S_proc_wait): `p->msgportwait' ==> `p->p_msgportwait' typo fix.Michael I. Bushnell
1995-11-09(S_proc_wait): Also return EBUSY if P->msgportwait, because both shareMichael I. Bushnell
the same memory in the proc structure.
1995-10-31(struct zombie): Deleted; now in proc.h.Michael I. Bushnell
(zombie_list): Likewise.
1995-07-22(zombie_check_pid): Typo.Michael I. Bushnell
1995-07-22(zombie_check_pid): Examine Z->pgrp too.Michael I. Bushnell
1995-04-26(S_proc_wait): Use `waiter_cares', not `waiting_parent_cares' inMichael I. Bushnell
zombie check.
1995-04-18(reparent_zombies): Send SIGCHLD signal to init.Michael I. Bushnell
1995-04-18(S_proc_wait): Don't return ESRCH; return ECHILD.Michael I. Bushnell
1995-04-06(waiter_cares, waiting_parent_cares): New functions.Roland McGrath
(alert_parent, reparent_zombies, S_proc_wait, S_proc_mark_stop): Use them.
1994-08-22entered into RCSMichael I. Bushnell
1994-08-22Formerly wait.c.~10~Roland McGrath
1994-07-22Formerly wait.c.~9~Michael I. Bushnell
1994-07-22Formerly wait.c.~8~Michael I. Bushnell
1994-07-20Formerly wait.c.~7~Michael I. Bushnell
1994-06-30Formerly wait.c.~6~Michael I. Bushnell
1994-06-30Formerly wait.c.~5~Roland McGrath
1994-05-06Formerly wait.c.~4~Michael I. Bushnell
1994-04-08Formerly wait.c.~3~Michael I. Bushnell
1994-03-22Formerly wait.c.~2~Michael I. Bushnell
1994-03-22Initial revisionMichael I. Bushnell