mes/lib/gnu/vm-statistics.c

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hurd: Initial support. This adds minimal Hurd support by implementing the _exit function. * AUTHORS: Update. * .gitignore: Ignore a.out, core, .config. * include/sys/wait.h (W_EXITCODE): New define. * lib/linux/x86-mes-gcc/crt1.c (_start): Call _exit to allow reuse. * lib/gnu/x86-mes-gcc/crt1.c: New file. * lib/gnu/x86-mes-gcc/mini.c: New file. * lib/gnu/hurd-start.c: New file. * lib/gnu/_exit.c: New file. * include/gnu/syscall.h: New file. * include/gnu/hurd.h: New file. * lib/gnu/_exit.c: New file. * lib/gnu/exec-startup-get-data.c: New file. * lib/gnu/hurd-start.c: New file. * lib/gnu/proc-mark-exit.c: New file. * lib/gnu/syscall.c: New file. * lib/gnu/task-get-special-port.c: New file. * lib/gnu/task-terminate.c: New file. * lib/gnu/vm-statistics.c: New file. * build-aux/configure-lib.sh (libc_mini_SOURCES): Add Hurd sources. * build-aux/build.sh.in (CPPFLAGS): Add lib to includes, to find linux crt1.c. * build-aux/test-c.sh: Always use at least -l c+mini for GNU. * lib/tests/scaffold/00-exit-42.exit: New file. * lib/tests/scaffold/00-exit-42.c: New test. * build-aux/check-mescc.sh (TESTS): Add it. * lib/tests/scaffold/00-exit-0.c (main): Rewrite, use _exit. * include/gnu/hurd-types.h: Import from GNU C Library. * include/mach/mach-init.h: Likewise. * lib/mach/mach-init.c: Likewise. * lib/mach/mach_host_self.S: Likewise. * lib/mach/mach_msg_trap.S: Likewise. * lib/mach/mach_reply_port.S: Likewise. * lib/mach/mach_task_self.S: Likewise. * lib/mach/mach_thread_self.S: Likewise. * lib/mach/msg.c: Likewise.
2019-03-10 20:52:05 +00:00
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU Mes is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* GNU Mes 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gnu/syscall.h>
struct mach_msg_int32_vm_statistics_data
{
mach_msg_header_t header;
mach_msg_type_t type_one; int one;
mach_msg_type_t type_two; vm_statistics_data_t two;
};
kern_return_t
__vm_statistics (mach_port_t task, vm_statistics_data_t *vm_stats)
{
struct mach_msg_int32_vm_statistics_data message = {0};
message.header.msgh_size = sizeof (struct mach_msg);
message.type_one = mach_msg_type_int32;
message.type_two = mach_msg_type_int32;
kern_return_t result = __syscall_get (task, SYS__vm_statistics,
&message.header, sizeof (message));
*vm_stats = message.two;
return result;
}