dba2bdbe75
* hurd/hurdauth.c (_S_msg_add_auth): Call __vm_allocate and __vm_deallocate instead of vm_allocate and vm_deallocate. * hurd/hurdmsg.c (_S_msg_set_env_variable): Call __setenv instead of setenv. * hurd/hurdprio.c (_hurd_priority_which_map): Call __geteuid instead of geteuid. * hurd/path-lookup.c (file_name_path_scan): Call __strdup instead of strdup. * hurd/siginfo.c: Include <libioP.h>. (_hurd_siginfo_handler): Call _IO_puts instead of puts. * hurd/xattr.c (_hurd_xattr_get, _hurd_xattr_set): Call __munmap instead of munmap. * io/fts.c (fts_build): Call __dirfd instead of dirfd. * mach/devstream.c: Include <libioP.h>. (dealloc_ref): Call __mach_port_deallocate instead of mach_port_deallocate. (mach_open_devstream): Call _IO_fopencookie instead of fopencookie. Call __mach_port_deallocate instead of mach_port_deallocate. * stdlib/canonicalize.c (__realpath): Call __pathconf instead of pathconf. * sysdeps/mach/hurd/ifreq.c (__ifreq): Call __munmap instead of munmap. * sysdeps/mach/hurd/ifreq.h (__if_freereq): Likewise. * sysdeps/mach/hurd/ptrace.c (ptrace): Call __kill instead of kill. * sysdeps/mach/hurd/sendfile64.c (sendfile64): Call __munmap instead of munmap. * sysdeps/mach/hurd/socketpair.c (__socketpair): Call __close instead of close. * sysdeps/posix/clock_getres.c (realtime_getres): Call __sysconf instead of sysconf. * sysdeps/pthread/timer_gettime.c (timer_gettime): Call __clock_gettime instead of clock_gettime. * sysdeps/pthread/timer_routines.c (thread_func): Likewise. * sysdeps/pthread/timer_settime.c (timer_settime): Likewise. * sysdeps/unix/bsd/gtty.c (gtty): Call __ioctl instead of ioctl. * sysdeps/unix/bsd/stty.c (stty): Likewise. * sysdeps/unix/bsd/tcflow.c (tcflow): Call __tcgetattr instead of tcgetattr. * sysdeps/unix/clock_nanosleep.c (__clock_nanosleep): Call __clock_gettime and __nanosleep instead of clock_gettime and nanosleep.
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/* Support code for dealing with priorities in the Hurd.
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Copyright (C) 1994-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <hurd.h>
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#include <hurd/resource.h>
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#include <sys/mman.h>
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#include <unistd.h>
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error_t
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_hurd_priority_which_map (enum __priority_which which, int who,
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error_t (*function) (pid_t, struct procinfo *),
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int pi_flags)
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{
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mach_msg_type_number_t npids = 64, i;
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pid_t pidbuf[npids], *pids = pidbuf;
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error_t err;
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struct procinfo *pip;
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int pibuf[sizeof *pip + 5 * sizeof (pip->threadinfos[0])], *pi = pibuf;
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mach_msg_type_number_t pisize = sizeof (pibuf) / sizeof (int);
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switch (which)
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{
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default:
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return EINVAL;
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case PRIO_PROCESS:
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err = (*function) (who ?: getpid (), 0); /* XXX special-case self? */
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break;
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case PRIO_PGRP:
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err = __USEPORT (PROC, __proc_getpgrppids (port, who, &pids, &npids));
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for (i = 0; !err && i < npids; ++i)
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err = (*function) (pids[i], 0);
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break;
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case PRIO_USER:
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if (who == 0)
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who = __geteuid ();
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err = __USEPORT (PROC, __proc_getallpids (port, &pids, &npids));
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for (i = 0; !err && i < npids; ++i)
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{
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/* Get procinfo to check the owner. */
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int *oldpi = pi;
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mach_msg_type_number_t oldpisize = pisize;
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char *tw = 0;
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size_t twsz = 0;
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err = __USEPORT (PROC, __proc_getprocinfo (port, pids[i],
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&pi_flags,
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&pi, &pisize,
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&tw, &twsz));
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if (!err)
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{
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if (twsz) /* Gratuitous. */
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__munmap (tw, twsz);
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if (pi != oldpi && oldpi != pibuf)
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/* Old buffer from last call was not reused; free it. */
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__munmap (oldpi, oldpisize * sizeof pi[0]);
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pip = (struct procinfo *) pi;
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if (pip->owner == (uid_t) who)
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err = (*function) (pids[i], pip);
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}
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}
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break;
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}
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if (pids != pidbuf)
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__munmap (pids, npids * sizeof pids[0]);
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if (pi != pibuf)
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__munmap (pi, pisize * sizeof pi[0]);
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return err;
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}
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