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a14f26ef69
setpriority. * sysdeps/unix/sysv/linux/getpriority.c: Add libc_hidden_def. * sysdeps/unix/sysv/irix4/getpriority.c: Likewise. * sysdeps/mach/hurd/setpriority.c: Likewise. * sysdeps/mach/hurd/getpriority.c: Likewise. * sysdeps/generic/setpriority.c: Likewise. * sysdeps/generic/getpriority.c: Likewise. * include/mcheck.h: Use libc_hidden_proto for mcheck_check_all. * malloc/mcheck.c: Add libc_hidden_def. * include/search.h: Use libc_hidden_proto for hcreate_r, hdestroy_r. * misc/hsearch_r.c: Add libc_hidden_def. * include/fnmatch.h: Use libc_hidden_proto for fnmatch. * posix/fnmatch.c: Add libc_hidden_weak.
48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
/* getpriority for Linux.
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Copyright (C) 1996,98,2000,02 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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <sys/resource.h>
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#include <sysdep.h>
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#include <sys/syscall.h>
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extern int __syscall_getpriority (int, id_t);
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/* The return value of __syscall_getpriority is biased by this value
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to avoid returning negative values. */
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#define PZERO 20
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/* Return the highest priority of any process specified by WHICH and WHO
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(see above); if WHO is zero, the current process, process group, or user
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(as specified by WHO) is used. A lower priority number means higher
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priority. Priorities range from PRIO_MIN to PRIO_MAX. */
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int
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getpriority (enum __priority_which which, id_t who)
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{
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int res;
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res = INLINE_SYSCALL (getpriority, 2, (int) which, who);
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if (res >= 0)
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res = PZERO - res;
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return res;
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}
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libc_hidden_def (getpriority)
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