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* Fix ipc_mqueue_receive locking documentationSamuel Thibault2024-12-091-1/+2
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* move x86 copy_user.[ch] to ipc/ and make it arch-indipendentLD2024-03-091-1/+1
| | | | Message-ID: <20240309140244.347835-3-luca@orpolo.org>
* x86_64: expand and shrink messages in copy{in, out}msg routinesLuca Dariz2023-01-181-2/+3
| | | | | | | | | | | | | | | | | | | * i386/i386/copy_user.h: new file to handle 32/64 bit differences - add msg_usize() to recontruct the user-space message size - add copyin/copyout helpers for addresses and ports * include/mach/message.h: add msg alignment macros * ipc/ipc_kmsg.c: - copyin/out ports names instead of using pointer magic * ipc/ipc_mqueue.c: use msg_usize() to check if we can actually receive the message * ipc/mach_msg.c: Likewise for continuations in receive path * x86_64/Makefrag.am: add x86_64/copy_user.c * x86_64/copy_user.c: new file to handle message expansion and shrinking during copyinmsg/copyoutmsg for 64 bit kernels. - port names -> port pointers on all 64-bit builds - 32-bit pointer -> 64 bit pointer when using 32-bit userspace * x86_64/locore.S: remove copyinmsg() and copyoutmsg() Message-Id: <20230116105857.240210-3-luca@orpolo.org>
* Use -Wstrict-prototypes and fix warningsFlavio Cruz2022-12-211-2/+2
| | | | | | | Most of the changes include defining and using proper function type declarations (with argument types declared) and avoiding using the K&R style of function declarations. Message-Id: <Y6Jazsuis1QA0lXI@mars>
* Update ipc/ directory to use mach_port_name_tFlavio Cruz2022-11-301-1/+1
| | | | | | | | | | | | | | | Make it explicit where we use port names versus actual ports. For the 64 bit kernel, port names and ports are of different size so this corrects the syscall arguments and internal structs to have the right size. This patch also uncovered several issues we need to solve to make GNUMach work well on 64 bits. First, the mach_msg call will receive 4 byte port names while the kernel "thinks" they are 8 bytes, which will be a problem. Also, when we send a message, the kernel translates the port names into port pointers in the message copied from user space. This also won't work on 64 bits. In this patch, I added several TODOs to fix the issues later. Message-Id: <Y4cCzNmc6vC4bjsX@viriathus>
* Convert from K&R to ANSIMarin Ramesa2014-04-041-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert from K&R style function definitions to ANSI style function definitions. * ddb/db_access.c: Convert function prototypes from K&R to ANSI. * ddb/db_aout.c: Likewise. * ddb/db_break.c: Likewise. * ddb/db_command.c: Likewise. * ddb/db_cond.c: Likewise. * ddb/db_examine.c: Likewise. * ddb/db_expr.c: Likewise. * ddb/db_ext_symtab.c: Likewise. * ddb/db_input.c: Likewise. * ddb/db_lex.c: Likewise. * ddb/db_macro.c: Likewise. * ddb/db_mp.c: Likewise. * ddb/db_output.c: Likewise. * ddb/db_print.c: Likewise. * ddb/db_run.c: Likewise. * ddb/db_sym.c: Likewise. * ddb/db_task_thread.c: Likewise. * ddb/db_trap.c: Likewise. * ddb/db_variables.c: Likewise. * ddb/db_watch.c: Likewise. * device/blkio.c: Likewise. * device/chario.c: Likewise. * device/dev_lookup.c: Likewise. * device/dev_name.c: Likewise. * device/dev_pager.c: Likewise. * device/ds_routines.c: Likewise. * device/net_io.c: Likewise. * device/subrs.c: Likewise. * i386/i386/db_interface.c: Likewise. * i386/i386/fpu.c: Likewise. * i386/i386/io_map.c: Likewise. * i386/i386/loose_ends.c: Likewise. * i386/i386/mp_desc.c: Likewise. * i386/i386/pcb.c: Likewise. * i386/i386/phys.c: Likewise. * i386/i386/trap.c: Likewise. * i386/i386/user_ldt.c: Likewise. * i386/i386at/com.c: Likewise. * i386/i386at/kd.c: Likewise. * i386/i386at/kd_event.c: Likewise. * i386/i386at/kd_mouse.c: Likewise. * i386/i386at/kd_queue.c: Likewise. * i386/i386at/lpr.c: Likewise. * i386/i386at/model_dep.c: Likewise. * i386/i386at/rtc.c: Likewise. * i386/intel/pmap.c: Likewise. * i386/intel/read_fault.c: Likewise. * ipc/ipc_entry.c: Likewise. * ipc/ipc_hash.c: Likewise. * ipc/ipc_kmsg.c: Likewise. * ipc/ipc_marequest.c: Likewise. * ipc/ipc_mqueue.c: Likewise. * ipc/ipc_notify.c: Likewise. * ipc/ipc_port.c: Likewise. * ipc/ipc_right.c: Likewise. * ipc/mach_debug.c: Likewise. * ipc/mach_msg.c: Likewise. * ipc/mach_port.c: Likewise. * ipc/mach_rpc.c: Likewise. * kern/act.c: Likewise. * kern/exception.c: Likewise. * kern/ipc_mig.c: Likewise. * kern/ipc_tt.c: Likewise. * kern/lock_mon.c: Likewise. * kern/mach_clock.c: Likewise. * kern/machine.c: Likewise. * kern/printf.c: Likewise. * kern/priority.c: Likewise. * kern/startup.c: Likewise. * kern/syscall_emulation.c: Likewise. * kern/syscall_subr.c: Likewise. * kern/thread_swap.c: Likewise. * kern/time_stamp.c: Likewise. * kern/timer.c: Likewise. * kern/xpr.c: Likewise. * vm/memory_object.c: Likewise. * vm/vm_debug.c: Likewise. * vm/vm_external.c: Likewise. * vm/vm_fault.c: Likewise. * vm/vm_kern.c: Likewise. * vm/vm_map.c: Likewise. * vm/vm_pageout.c: Likewise. * vm/vm_user.c: Likewise.
* ipc: qualify pointers whose dereferenced values are constant with constMarin Ramesa2013-12-171-3/+3
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* Add statistics for task_events_infoDavid Höppner2013-01-131-0/+4
| | | | | | | | | | | | | | * ipc/ipc_mqueue.c (ipc_mqueue_send, ipc_mqueue_receive): Increment counters for message sent and received. * kern/ipc_kobject.c (ipc_kobject_server): Increment sent and received counters for the kernel task. * kern/task.c (task_create): Zero statistics. * kern/task.c (task_info): Add task_events_info call. * kern/task.h: Add statistics. * vm/vm_fault.c (vm_fault_page): Increment zero_fills, pageins, reactivations and cow_faults counters. * vm/vm_fault.c (vm_fault_wire_fast): Increment faults counters. * vm/vm_pageout.c (vm_pageout_scan): Increment reactivations counter.
* 2006-11-10 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault2009-06-181-1/+1
| | | | Put "for panic()" in ChangeLog, not in source code.
* 2006-11-09 Barry deFreese <bddebian@comcast.net>Samuel Thibault2009-06-181-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [task #5726 --- ``GCC built-in functions''] * include/printf.h: Move file... * kern/printf.h: ... here. * kern/debug.h (panic_init, panic): Add prototypes. * chips/busses.c: Don't include `printf.h', include `kern/printf.h' and `kern/debug.h'. * ddb/db_command.c: Likewise. * ddb/db_cond.c: Likewise. * ddb/db_output.c: Likewise. * device/cirbuf.c: Likewise. * device/cons.c: Likewise. * device/dev_name.c: Likewise. * device/dev_pager.c: Likewise. * device/device_init.c: Likewise. * device/dk_label.c: Likewise. * device/ds_routines.c: Likewise. * device/net_io.c: Likewise. * device/subrs.c: Likewise. * i386/i386/debug_i386.c: Likewise. * i386/i386/fpe_linkage.c: Likewise. * i386/i386/fpu.c: Likewise. * i386/i386/io_map.c: Likewise. * i386/i386/kttd_interface.c: Likewise. * i386/i386/mp_desc.c: Likewise. * i386/i386/pcb.c: Likewise. * i386/i386/pic.c: Likewise. * i386/i386/trap.c: Likewise. * i386/i386at/autoconf.c: Likewise. * i386/i386at/com.c: Likewise. * i386/i386at/i386at_ds_routines.c: Likewise. * i386/i386at/kd.c: Likewise. * i386/i386at/kd_event.c: Likewise. * i386/i386at/kd_mouse.c: Likewise. * i386/i386at/lpr.c: Likewise. * i386/i386at/model_dep.c: Likewise. * i386/intel/pmap.c: Likewise. * ipc/ipc_entry.c: Likewise. * ipc/ipc_hash.c: Likewise. * ipc/ipc_kmsg.c: Likewise. * ipc/ipc_mqueue.c: Likewise. * ipc/ipc_notify.c: Likewise. * ipc/ipc_object.c: Likewise. * ipc/ipc_port.c: Likewise. * ipc/ipc_pset.c: Likewise. * ipc/ipc_right.c: Likewise. * ipc/mach_msg.c: Likewise. * ipc/mach_port.c: Likewise. * ipc/mach_rpc.c: Likewise. * kern/act.c: Likewise. * kern/ast.c: Likewise. * kern/bootstrap.c: Likewise. * kern/debug.c: Likewise. * kern/eventcount.c: Likewise. * kern/exception.c: Likewise. * kern/host.c: Likewise. * kern/ipc_host.c: Likewise. * kern/ipc_kobject.c: Likewise. * kern/ipc_mig.c: Likewise. * kern/ipc_sched.c: Likewise. * kern/ipc_tt.c: Likewise. * kern/kalloc.c: Likewise. * kern/lock.c: Likewise. * kern/mach_clock.c: Likewise. * kern/machine.c: Likewise. * kern/pc_sample.c: Likewise. * kern/printf.c: Likewise. * kern/processor.c: Likewise. * kern/sched_prim.c: Likewise. * kern/server_loop.ch: Likewise. * kern/startup.c: Likewise. * kern/task.c: Likewise. * kern/thread.c: Likewise. * kern/thread_swap.c: Likewise. * kern/xpr.c: Likewise. * kern/zalloc.c: Likewise. * vm/memory_object.c: Likewise. * vm/vm_debug.c: Likewise. * vm/vm_fault.c: Likewise. * vm/vm_kern.c: Likewise. * vm/vm_map.c: Likewise. * vm/vm_object.c: Likewise. * vm/vm_object.h: Likewise. * vm/vm_pageout.c: Likewise. * vm/vm_resident.c: Likewise.
* 2006-03-20 Thomas Schwinge <tschwinge@gnu.org>Thomas Schwinge2009-06-181-65/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * DEVELOPMENT: Document the NORMA removal. 2006-03-20 Leonardo Lopes Pereira <leonardolopespereira@gmail.com> Remove unused and unsupported code. Consult the file `DEVELOPMENT' for details. [patch #4982] * bogus/norma_device.h: Remove file. * bogus/norma_ether.h: Likewise. * bogus/norma_ipc.h: Likewise. * bogus/norma_task.h: Likewise. * bogus/norma_vm.h: Likewise. * include/mach/mach_norma.defs: Likewise. * include/mach/norma_task.defs: Likewise. * include/mach/norma_special_ports.h: Likewise. * Makefile.in (bogus-files): Remove `norma_device.h', `norma_ether.h', `norma_ipc.h', `norma_task.h' and `norma_vm.h'. (mach-headers): Remove `mach_norma.defs', `norma_task.defs' and `norma_special_ports.h'. * device/ds_routines.c: Don't include <norma_device.h> anymore and adopt all users of NORMA_DEVICE as if it were always defined to `0'. * device/net_io.c: Likewise for <norma_ether.h>, NORMA_ETHER. * kern/machine.c: Likewise. * ddb/db_command.c: Likevise for <norma_ipc.h>, NORMA_IPC. * ipc/ipc_init.c: Likewise. * ipc/ipc_kmsg.c: Likewise. * ipc/ipc_kmsg.h: Likewise. * ipc/ipc_mqueue.c: Likewise. * ipc/ipc_notify.c: Likewise. * ipc/ipc_port.c: Likewise. * ipc/ipc_port.h: Likewise. * ipc/ipc_space.c: Likewise. * ipc/ipc_space.h: Likewise. * ipc/mach_msg.c: Likewise. * kern/ast.c: Likewise. * kern/debug.c: Likewise. * kern/exception.c: Likewise. * kern/startup.c: Likewise. * vm/memory_object.c: Likewise. * vm/vm_map.c: Likewise. * kern/ipc_kobject.c: Likewise for <norma_task.h>, NORMA_TASK. * kern/task.c: Likewise. * kern/task.h: Likewise. * ddb/db_command.c: Likewise for <norma_vm.h>, NORMA_VM. * device/dev_pager.c: Likewise. * include/mach/mach_types.defs: Likewise. * include/mach/mach_types.h: Likewise. * include/mach/memory_object_default.defs: Likewise. * include/mach/memory_object.defs: Likewise. * ipc/ipc_kmsg.c: Likewise. * kern/ipc_kobject.c: Likewise. * kern/ipc_mig.c: Likewise. * kern/startup.c: Likewise. * vm/memory_object.c: Likewise. * vm/vm_object.c: Likewise. * vm/vm_object.h: Likewise. * vm/vm_pageout.c: Likewise.
* 2001-04-04 Roland McGrath <roland@frob.com>Roland McGrath2001-04-051-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * ddb/db_access.h: Fix obsolescent #else/#endif syntax. * ddb/db_aout.c: Likewise. * ddb/db_break.c: Likewise. * ddb/db_break.h: Likewise. * ddb/db_command.c: Likewise. * ddb/db_command.h: Likewise. * ddb/db_cond.c: Likewise. * ddb/db_examine.c: Likewise. * ddb/db_expr.c: Likewise. * ddb/db_ext_symtab.c: Likewise. * ddb/db_input.c: Likewise. * ddb/db_lex.c: Likewise. * ddb/db_macro.c: Likewise. * ddb/db_mp.c: Likewise. * ddb/db_output.c: Likewise. * ddb/db_print.c: Likewise. * ddb/db_run.c: Likewise. * ddb/db_sym.c: Likewise. * ddb/db_task_thread.c: Likewise. * ddb/db_task_thread.h: Likewise. * ddb/db_trap.c: Likewise. * ddb/db_variables.c: Likewise. * ddb/db_watch.c: Likewise. * ddb/db_watch.h: Likewise. * ddb/db_write_cmd.c: Likewise. * device/dev_pager.c: Likewise. * device/device_port.h: Likewise. * device/device_types_kernel.h: Likewise. * device/ds_routines.h: Likewise. * device/errno.h: Likewise. * device/if_ether.h: Likewise. * device/if_hdr.h: Likewise. * device/io_req.h: Likewise. * device/net_io.c: Likewise. * device/net_io.h: Likewise. * i386/i386/ast_check.c: Likewise. * i386/i386/cswitch.S: Likewise. * i386/i386/db_disasm.c: Likewise. * i386/i386/db_interface.c: Likewise. * i386/i386/db_trace.c: Likewise. * i386/i386/debug.h: Likewise. * i386/i386/debug_i386.c: Likewise. * i386/i386/debug_trace.S: Likewise. * i386/i386/eflags.h: Likewise. * i386/i386/gdt.h: Likewise. * i386/i386/hardclock.c: Likewise. * i386/i386/idt-gen.h: Likewise. * i386/i386/ipl.h: Likewise. * i386/i386/ktss.h: Likewise. * i386/i386/kttd_interface.c: Likewise. * i386/i386/ldt.h: Likewise. * i386/i386/lock.h: Likewise. * i386/i386/locore.S: Likewise. * i386/i386/mp_desc.h: Likewise. * i386/i386/pic.c: Likewise. * i386/i386/pic.h: Likewise. * i386/i386/pio.h: Likewise. * i386/i386/pit.h: Likewise. * i386/i386/seg.h: Likewise. * i386/i386/thread.h: Likewise. * i386/i386/trap.c: Likewise. * i386/i386/trap.h: Likewise. * i386/i386/vm_param.h: Likewise. * i386/i386/vm_tuning.h: Likewise. * i386/i386at/autoconf.c: Likewise. * i386/i386at/blit.c: Likewise. * i386/i386at/conf.c: Likewise. * i386/i386at/fd.c: Likewise. * i386/i386at/idt.h: Likewise. * i386/i386at/immc.c: Likewise. * i386/i386at/kd.c: Likewise. * i386/i386at/kd_event.c: Likewise. * i386/i386at/kd_mouse.c: Likewise. * i386/i386at/model_dep.c: Likewise. * i386/i386at/rtc.c: Likewise. * i386/include/mach/i386/asm.h: Likewise. * i386/include/mach/i386/eflags.h: Likewise. * i386/include/mach/i386/mach_i386.defs: Likewise. * i386/include/mach/i386/multiboot.h: Likewise. * i386/include/mach/i386/trap.h: Likewise. * i386/include/mach/i386/vm_types.h: Likewise. * i386/include/mach/sa/stdarg.h: Likewise. * i386/intel/pmap.c: Likewise. * i386/intel/pmap.h: Likewise. * include/alloca.h: Likewise. * include/device/device_types.defs: Likewise. * include/device/device_types.h: Likewise. * include/device/disk_status.h: Likewise. * include/device/net_status.h: Likewise. * include/mach/mach.defs: Likewise. * include/mach/memory_object.defs: Likewise. * include/mach/std_types.defs: Likewise. * include/mach_debug/hash_info.h: Likewise. * include/mach_debug/ipc_info.h: Likewise. * include/mach_debug/mach_debug.defs: Likewise. * include/mach_debug/mach_debug_types.defs: Likewise. * include/mach_debug/mach_debug_types.h: Likewise. * include/mach_debug/vm_info.h: Likewise. * include/mach_debug/zone_info.h: Likewise. * include/sys/ioctl.h: Likewise. * include/sys/time.h: Likewise. * ipc/ipc_entry.h: Likewise. * ipc/ipc_hash.h: Likewise. * ipc/ipc_init.c: Likewise. * ipc/ipc_kmsg.c: Likewise. * ipc/ipc_kmsg.h: Likewise. * ipc/ipc_marequest.c: Likewise. * ipc/ipc_marequest.h: Likewise. * ipc/ipc_mqueue.c: Likewise. * ipc/ipc_mqueue.h: Likewise. * ipc/ipc_notify.c: Likewise. * ipc/ipc_notify.h: Likewise. * ipc/ipc_object.c: Likewise. * ipc/ipc_object.h: Likewise. * ipc/ipc_port.c: Likewise. * ipc/ipc_port.h: Likewise. * ipc/ipc_pset.c: Likewise. * ipc/ipc_pset.h: Likewise. * ipc/ipc_right.c: Likewise. * ipc/ipc_right.h: Likewise. * ipc/ipc_space.c: Likewise. * ipc/ipc_space.h: Likewise. * ipc/mach_debug.c: Likewise. * ipc/mach_msg.c: Likewise. * ipc/mach_msg.h: Likewise. * ipc/mach_port.c: Likewise. * kern/act.c: Likewise. * kern/assert.h: Likewise. * kern/ast.c: Likewise. * kern/ast.h: Likewise. * kern/bootstrap.c: Likewise. * kern/counters.c: Likewise. * kern/counters.h: Likewise. * kern/debug.h: Likewise. * kern/exception.c: Likewise. * kern/host.h: Likewise. * kern/ipc_host.c: Likewise. * kern/ipc_host.h: Likewise. * kern/ipc_kobject.c: Likewise. * kern/ipc_mig.c: Likewise. * kern/ipc_tt.c: Likewise. * kern/ipc_tt.h: Likewise. * kern/kalloc.h: Likewise. * kern/lock_mon.c: Likewise. * kern/mach_clock.c: Likewise. * kern/mach_factor.c: Likewise. * kern/mach_param.h: Likewise. * kern/machine.c: Likewise. * kern/processor.c: Likewise. * kern/profile.c: Likewise. * kern/queue.h: Likewise. * kern/sched.h: Likewise. * kern/startup.c: Likewise. * kern/syscall_emulation.h: Likewise. * kern/syscall_subr.c: Likewise. * kern/syscall_subr.h: Likewise. * kern/syscall_sw.c: Likewise. * kern/syscall_sw.h: Likewise. * kern/task.h: Likewise. * kern/thread_swap.h: Likewise. * kern/time_out.h: Likewise. * kern/time_stamp.c: Likewise. * kern/time_stamp.h: Likewise. * kern/timer.c: Likewise. * kern/timer.h: Likewise. * kern/xpr.c: Likewise. * kern/xpr.h: Likewise. * kern/zalloc.c: Likewise. * kern/zalloc.h: Likewise. * linux/dev/drivers/block/ide.c: Likewise. * linux/dev/include/linux/blk.h: Likewise. * linux/src/include/linux/cdrom.h: Likewise. * linux/src/include/linux/md.h: Likewise. * util/cpu.h: Likewise. * vm/memory_object.c: Likewise. * vm/memory_object.h: Likewise. * vm/pmap.h: Likewise. * vm/vm_debug.c: Likewise. * vm/vm_external.h: Likewise. * vm/vm_fault.c: Likewise. * vm/vm_fault.h: Likewise. * vm/vm_kern.h: Likewise. * vm/vm_map.c: Likewise. * vm/vm_map.h: Likewise. * vm/vm_object.h: Likewise. * vm/vm_pageout.c: Likewise. * vm/vm_pageout.h: Likewise. * vm/vm_user.h: Likewise.
* Initial sourceThomas Bushnell1997-02-251-0/+754