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authorUlrich Drepper <drepper@redhat.com>1995-09-08 17:02:25 +0000
committerUlrich Drepper <drepper@redhat.com>1995-09-08 17:02:25 +0000
commitd2f5be2a1235061b46c51d7530264d086eca46ef (patch)
tree486fbdc7e9d3f2417c26242e36894a54ea6c90a8 /sysdeps/unix/sysv/linux/ulimit.c
parentd586354e51250d2aaf83149cf7d15f81e276f038 (diff)
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Document new files for Linux i386/ELF port.
Fri Sep 8 16:32:12 1995 Ulrich Drepper <drepper@gnu.ai.mit.edu> * sysdeps/unix/sysv/linux/Implies, sysdeps/unix/sysv/linux/Makefile, sysdeps/unix/sysv/linux/Subdirs, sysdeps/unix/sysv/linux/accept.S, sysdeps/unix/sysv/linux/adjtime.c, sysdeps/unix/sysv/linux/adjtimex.S, sysdeps/unix/sysv/linux/bind.S, sysdeps/unix/sysv/linux/connect.S, sysdeps/unix/sysv/linux/direct.h, sysdeps/unix/sysv/linux/dl-machine.h, sysdeps/unix/sysv/linux/errnos.h, sysdeps/unix/sysv/linux/fork.S, sysdeps/unix/sysv/linux/gethostid.c, sysdeps/unix/sysv/linux/gethostname.C, sysdeps/unix/sysv/linux/getpeername.S, sysdeps/unix/sysv/linux/getpgid.S, sysdeps/unix/sysv/linux/getpgrp.S, sysdeps/unix/sysv/linux/getsockname.S, sysdeps/unix/sysv/linux/getsockopt.S, sysdeps/unix/sysv/linux/gtty.S, sysdeps/unix/sysv/linux/listen.S, sysdeps/unix/sysv/linux/local_lim.h, sysdeps/unix/sysv/linux/madvise.c, sysdeps/unix/sysv/linux/msgctl.c, sysdeps/unix/sysv/linux/msgget.c, sysdeps/unix/sysv/linux/msgrcv.c, sysdeps/unix/sysv/linux/msgsnd.c, sysdeps/unix/sysv/linux/pipe.S, sysdeps/unix/sysv/linux/poll.c, sysdeps/unix/sysv/linux/readv.c, sysdeps/unix/sysv/linux/recv.S, sysdeps/unix/sysv/linux/recvfrom.S, sysdeps/unix/sysv/linux/recvmsg.S, sysdeps/unix/sysv/linux/semctl.c, sysdeps/unix/sysv/linux/semget.c, sysdeps/unix/sysv/linux/semop.c, sysdeps/unix/sysv/linux/send.S, sysdeps/unix/sysv/linux/sendmsg.S, sysdeps/unix/sysv/linux/sendto.S, sysdeps/unix/sysv/linux/setegid.c, sysdeps/unix/sysv/linux/seteuid.c, sysdeps/unix/sysv/linux/sethostid.c, sysdeps/unix/sysv/linux/setpgid.c, sysdeps/unix/sysv/linux/setpgrp.c, sysdeps/unix/sysv/linux/setsid.S, sysdeps/unix/sysv/linux/setsockopt.S, sysdeps/unix/sysv/linux/settimeofday.S, sysdeps/unix/sysv/linux/shmat.c, sysdeps/unix/sysv/linux/shmctl.c, sysdeps/unix/sysv/linux/shmdt.c, sysdeps/unix/sysv/linux/shmget.c, sysdeps/unix/sysv/linux/shutdown.S, sysdeps/unix/sysv/linux/sigaction.S, sysdeps/unix/sysv/linux/signal.S, sysdeps/unix/sysv/linux/sigpending.S, sysdeps/unix/sysv/linux/sigset.h, sysdeps/unix/sysv/linux/sockaddrcom.h, sysdeps/unix/sysv/linux/socketpair.S, sysdeps/unix/sysv/linux/speed.c, sysdeps/unix/sysv/linux/statbuf.h, sysdeps/unix/sysv/linux/stty.S, sysdeps/unix/sysv/linux/syscall.h, sysdeps/unix/sysv/linux/sysconf.c, sysdeps/unix/sysv/linux/tcdrain.c, sysdeps/unix/sysv/linux/tcflow.c, sysdeps/unix/sysv/linux/tcflush.c, sysdeps/unix/sysv/linux/tcgetattr.c, sysdeps/unix/sysv/linux/tcsetattr.c, sysdeps/unix/sysv/linux/termbits.h, sysdeps/unix/sysv/linux/ualarm.c, sysdeps/unix/sysv/linux/ulimit.c, sysdeps/unix/sysv/linux/usleep.c, sysdeps/unix/sysv/linux/utsnamelen.h, sysdeps/unix/sysv/linux/vfork.c, sysdeps/unix/sysv/linux/wait.c, sysdeps/unix/sysv/linux/wait4.S, sysdeps/unix/sysv/linux/waitpid.c, sysdeps/unix/sysv/linux/writev.c: New Linux/ELF specific, architecture independent files. sysdeps/unix/sysv/linux/i386/Dist, sysdeps/unix/sysv/linux/i386/Makefile, sysdeps/unix/sysv/linux/i386/brk.S, sysdeps/unix/sysv/linux/i386/fcntlbits.h, sysdeps/unix/sysv/linux/i386/fpu_control.c, sysdeps/unix/sysv/linux/i386/fpu_control.h, sysdeps/unix/sysv/linux/i386/fstat.S, sysdeps/unix/sysv/linux/i386/fxstat.S, sysdeps/unix/sysv/linux/i386/ieee_fpu.c, sysdeps/unix/sysv/linux/i386/init-first.S, sysdeps/unix/sysv/linux/i386/ipc.S, sysdeps/unix/sysv/linux/i386/lstat.S, sysdeps/unix/sysv/linux/i386/lxstat.S, sysdeps/unix/sysv/linux/i386/mknod.S, sysdeps/unix/sysv/linux/i386/mmap.S, sysdeps/unix/sysv/linux/i386/sbrk.S, sysdeps/unix/sysv/linux/i386/setfpucw.c, sysdeps/unix/sysv/linux/i386/signum.h, sysdeps/unix/sysv/linux/i386/socket.S, sysdeps/unix/sysv/linux/i386/stat.S, sysdeps/unix/sysv/linux/i386/syscall.S, sysdeps/unix/sysv/linux/i386/sysdep.S, sysdeps/unix/sysv/linux/i386/sysdep.h, sysdeps/unix/sysv/linux/i386/xmknod.S, sysdeps/unix/sysv/linux/i386/xstat.S: New Linux i386/ELF specific files. sysdeps/unix/sysv/linux/sys/ipc_buf.h, sysdeps/unix/sysv/linux/sys/mman.h, sysdeps/unix/sysv/linux/sys/msq_buf.h, sysdeps/unix/sysv/linux/sys/sem_buf.h, sysdeps/unix/sysv/linux/sys/shm_buf.h, sysdeps/unix/sysv/linux/sys/socketcall.h, sysdeps/unix/sysv/linux/sys/timex.h: New Linux/ELF specific, architecture independent header files.
Diffstat (limited to 'sysdeps/unix/sysv/linux/ulimit.c')
-rw-r--r--sysdeps/unix/sysv/linux/ulimit.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/ulimit.c b/sysdeps/unix/sysv/linux/ulimit.c
new file mode 100644
index 0000000000..2b1193085a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/ulimit.c
@@ -0,0 +1,73 @@
+/* Copyright (C) 1991, 1992, 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. */
+
+#include <ansidecl.h>
+#include <sysdep.h>
+#include <sys/resource.h>
+#include <unistd.h>
+#include <errno.h>
+
+/* Function depends on CMD:
+ 1 = Return the limit on the size of a file, in units of 512 bytes.
+ 2 = Set the limit on the size of a file to NEWLIMIT. Only the
+ super-user can increase the limit.
+ 3 = illegal due to shared libraries; normally is
+ (Return the maximum possible address of the data segment.)
+ 4 = Return the maximum number of files that the calling process
+ can open.
+ Returns -1 on errors. */
+long int
+__ulimit (cmd, newlimit)
+ int cmd;
+ long int newlimit;
+{
+ int status;
+
+ switch (cmd)
+ {
+ case 1:
+ {
+ /* Get limit on file size. */
+ struct rlimit fsize;
+
+ status = getrlimit(RLIMIT_FSIZE, &fsize);
+ if (status < 0)
+ return -1;
+
+ /* Convert from bytes to 512 byte units. */
+ return fsize.rlim_cur / 512;
+ }
+ case 2:
+ /* Set limit on file size. */
+ {
+ struct rlimit fsize;
+ fsize.rlim_cur = newlimit * 512;
+ fsize.rlim_max = newlimit * 512;
+
+ return setrlimit(RLIMIT_FSIZE, &fsize);
+ }
+ case 4:
+ return sysconf(_SC_OPEN_MAX);
+
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+}
+
+weak_alias (__ulimit, ulimit);