apps/lib/libmeinos/misc.c

   1 /*
   2     meinOS - A unix-like x86 microkernel operating system
   3     Copyright (C) 2008  Janosch Gräf <janosch.graef@gmx.net>
   4
   5     This program is free software: you can redistribute it and/or modify
   6     it under the terms of the GNU Lesser General Public License as published by
   7     the Free Software Foundation, either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU Lesser General Public License for more details.
  14
  15     You should have received a copy of the GNU Lesser General Public License
  16     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 #include <sys/types.h>
  20 #include <stdlib.h>
  21 #include <syscall.h>
  22 #include <string.h>
  23 #include <llist.h>
  24 #include <rpc.h>
  25 #include <stdio.h>
  26 #include <misc.h>
  27
  28 int _irq_init();
  29 void _libmeinos_init() {
  30   _irq_init();
  31 }
  32
  33 /**
  34  * Mounts a filesystem
  35  *  @param fs FS name
  36  *  @param mountpoint Mountpoint
  37  *  @return Success
  38  */
  39 int vfs_mount(const char *fs,const char *mountpoint,const char *dev,int readonly) {
  40   char *func;
  41   asprintf(&func,"%s_mount",fs);
  42   if (dev==NULL) dev = "";
  43   int ret = rpc_call(func,0,fs,mountpoint,dev,readonly);
  44   free(func);
  45   return ret;
  46 }
  47
  48 /**
  49  * Unmounts a filesystem
  50  *  @param fs FS name
  51  *  @param mountpoint Mountpoint
  52  *  @return Success
  53  */
  54 int vfs_unmount(const char *fs,const char *mountpoint) {
  55   char *func;
  56   asprintf(&func,"%s_unmount",fs);
  57   int ret = rpc_call(func,0,fs,mountpoint);
  58   free(func);
  59   return ret;
  60 }
  61
  62 /**
  63  * Prints a debug message through kernel
  64  *  @param fmt Format
  65  *  @param ... Parameters
  66  */
  67 void dbgmsg(const char *fmt,...) {
  68 #if 1
  69   va_list args;
  70   char *buf;
  71   va_start(args,fmt);
  72   size_t len = vasprintf(&buf,fmt,args);
  73   syscall_call(SYSCALL_PUTSN,2,buf,len);
  74   free(buf);
  75   va_end(args);
  76 #endif
  77 }