diff options
Diffstat (limited to 'hurd')
66 files changed, 7738 insertions, 0 deletions
diff --git a/hurd/.cvsignore b/hurd/.cvsignore new file mode 100644 index 0000000000..1f69fd919a --- /dev/null +++ b/hurd/.cvsignore @@ -0,0 +1,4 @@ +*.gz *.Z *.tar *.tgz +=* +TODO COPYING* AUTHORS copyr-* copying.* +glibc-* diff --git a/hurd/Makefile b/hurd/Makefile new file mode 100644 index 0000000000..7a5a1ba995 --- /dev/null +++ b/hurd/Makefile @@ -0,0 +1,117 @@ +# Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. +# This file is part of the GNU C Library. + +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Library General Public License +# as published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. + +# The GNU C Library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Library General Public License for more details. + +# You should have received a copy of the GNU Library General Public +# License along with the GNU C Library; see the file COPYING.LIB. If +# not, write to the Free Software Foundation, Inc., 675 Mass Ave, +# Cambridge, MA 02139, USA. + +subdir := hurd + +all: + +# Some things below (but before including Rules) use configuration variables. +include ../Makeconfig + + +headers = hurd.h $(interface-headers) \ + $(addprefix hurd/,fd.h id.h port.h signal.h userlink.h \ + resource.h threadvar.h) + +distribute := hurdfault.h intr-rpc.awk intr-rpc.defs STATUS + +# The RPC interfaces go in a separate library. +interface-library := libhurduser.a +user-interfaces := $(addprefix hurd/,\ + auth process startup \ + msg msg_reply msg_request \ + exec core interrupt \ + fs fsys io term socket ifsock) +server-interfaces := hurd/msg + +routines = hurdinit hurdid hurdlookup hurdpid hurdrlimit hurdprio hurdexec \ + setauth \ + pid2task task2pid \ + getuids setuids getumask fchroot \ + hurdsock hurdauth invoke-trans \ + privports \ + msgportdemux \ + fopenport \ + vpprintf \ + ports-get ports-set hurdports hurdmsg \ + $(sig) $(dtable) hurdinline +sig = hurdsig hurdfault faultexc siginfo hurd-raise preempt-sig \ + trampoline longjmp-ts catch-exc exc2signal hurdkill +dtable = dtable port2fd new-fd alloc-fd intern-fd \ + getdport openport \ + fd-close fd-read fd-write hurdioctl ctty-input ctty-output + +# XXX this is a temporary hack; see hurdmalloc.h +routines += hurdmalloc +distribute += hurdmalloc.h + +# Get the proper definition of `hurd-srcdir'. +include ../sysdeps/mach/hurd/Makefile + +# Use and install the Hurd header files directly out of the Hurd source. + +# Find the MiG defs files in the Hurd source. +vpath %.defs $(hurd-srcdir) + +# Install all .h and .defs files we find in the Hurd's hurd/ directory. +hurd-headers := $(patsubst $(hurd-srcdir)/%,%,\ + $(wildcard $(addprefix $(hurd-srcdir)/hurd/,\ + *.defs *.h))) + + +# Don't distribute the Hurd headers; they are in the Hurd distribution. +dont_distribute = $(hurd-headers) + +# DO NOT try to remake these in any way!!! +$(addprefix $(hurd-srcdir)/,$(hurd-headers)) : ; +install-others += $(addprefix $(includedir)/,$(hurd-headers)) +$(includedir)/hurd/%: $(hurd-srcdir)/hurd/%; $(do-install) + +include ../mach/Machrules +include ../Rules + +# intr-rpc.defs defines the INTR_INTERFACE macro to make the generated RPC +# stubs send-interruptible, and to prefix them with `hurd_intr_rpc_'. +user-MIGFLAGS += -imacros intr-rpc.defs + +# Run each generated user stub through intr-rpc.awk, which will detect +# stubs __hurd_intr_rpc_% and generate the user-callable function for the +# stub: this is a wrapper which calls __hurd_intr_rpc_% inside +# HURD_EINTR_RPC. +define transform-user-stub +gawk -v call=$${call} -f $(word 2,$^) \ + $(objpfx)tmp_$${call}.c > $(objpfx)tmpi_$${call}.c; \ +rm -f $(objpfx)tmp_$${call}.c; +endef +transform-user-stub-output = tmpi + +$(foreach if,$(user-interfaces),$($(if)-calls:%=$(objpfx)RPC_%.o))): \ + hurd/signal.h + +$(user-interfaces:%=$(objpfx)%.ustamp): intr-rpc.awk + +$(objpfx)fault%.c $(objpfx)fault%.h: $(mach-srcdir)/mach/%.defs + $(MIG) $(MIGFLAGS) -prefix _hurdsig_fault_ \ + -server $(@:.h=.c) -sheader $(@:.c=.h) \ + -user /dev/null -header /dev/null \ + $< +generated += faultexc.c faultexc.h + +# We need this static dependency to get faultexc.h generated the first time. +$(objpfx)hurdfault.o $(objpfx)hurdfault.d: \ + $(objpfx)faultexc.h $(objpfx)faultexc.c diff --git a/hurd/Notes b/hurd/Notes new file mode 100644 index 0000000000..9052f29096 --- /dev/null +++ b/hurd/Notes @@ -0,0 +1,37 @@ +The library pays attention to some envariables: + +CORESERVER -- Name of core server naming point; falls back to /servers/core +COREFILE -- Name of file to write core dump in; falls back to core +GNUTARGET -- Passed to core server to specify flavor of core dump format + +New functions: + +int openport (io_t port); +FILE *fopenport (mach_port_t, const char *mode); +file_t getdport (int fd); + +task_t pid2task (pid_t); +pid_t task2pid (task_t); + +int fchroot (int fd); +mode_t getumask (void); + +int getuids (int n, uid_t *uidset); + +error_t hurd_path_lookup (file_t root, file_t cwd, + const char *path, int flags, mode_t mode, + file_t *port); +error_t hurd_path_split (file_t root, file_t cwd, + const char *path, + file_t *dir, char **name); +file_t path_lookup (const char *path, int flags, mode_t mode); +file_t path_split (const char *path, char **name); + +process_t getproc (void); +int setproc (process_t); +file_t getcrdir (void); +int setcrdir (file_t); +file_t getcwdir (void); +int setcwdir (file_t); +auth_t getauth (void); +int setauth (auth_t); /* Reauthenticates all library ports. */ diff --git a/hurd/STATUS b/hurd/STATUS new file mode 100644 index 0000000000..ceb0a865d0 --- /dev/null +++ b/hurd/STATUS @@ -0,0 +1,72 @@ +Status of Hurd support in libc. Last updated 22 Nov 1994. +Roland McGrath <roland@gnu.ai.mit.edu> + +Everything not noted below is implemented, most of it tested. There are +various very small things unfinished or thought to be perhaps wrong +throughout the code, marked by comments containing `XXX'. + + +* Signals and job control work, but are a very hairy area. + There are various ways the signal thread can block and fail + to respond when the program is losing badly. + +* We are not sure about possible races between setpgrp (A, pgrp) from + process B vs process A receiving proc_newids. + +* The rest of libc (stdio et al) is not safe for multithreaded programs. + mutex locks should be added to various things. + +* Recovery from faults in the signal thread is not implemented yet. + +* longjmp needs to clean up reply port, intr_port; needs thought about. + +* Cooperation with cthreads is not finished. If you link with cthreads, + libc internal code still does not use real condition variables. + sigsuspend currently does a busy wait where it should use a condition. + Signal state is per kernel thread; for unwired cthreads it should be per + cthread instead. + +* sigaltstack/sigstack do not really work: the signal stack needs thread + variables and cthread data set up, which is not done. + +* malloc is a kludge. + +* Nothing uses mapped io. Eventually stdio and read/write/seek should. I + have written a little code for this, but it is far from finished. + +* Resource limits do not really work; current implementation is patchy and + inconsistent. + +* libc implicitly uses some environment variables. This is a security + problem for setuid exec. Probably crt0 should remove the variables from + the environment if setuid. + +* The miscellaneous msg.defs calls are only partially implemented. + +* The default SIGINFO handler needs to be written. + +* File locking is not implemented; the RPC interface is not there yet. + +* The current getitimer/setitimer implementation is a kludge. + +* mmap cannot do MAP_NOEXTEND. + +* Unimplemented calls (from the 4.4 system call list): +acct +fstatfs +getfh +getfsstat +getrusage +madvise +mincore +mount +msync +profil +recvmsg +revoke +sendmsg +setpriority +sstk +statfs +swapon +unmount diff --git a/hurd/alloc-fd.c b/hurd/alloc-fd.c new file mode 100644 index 0000000000..02a1bdfd52 --- /dev/null +++ b/hurd/alloc-fd.c @@ -0,0 +1,127 @@ +/* Copyright (C) 1994 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should h |