apps/include/proc.h

   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 #ifndef _PROC_H_
  20 #define _PROC_H_
  21
  22 #include <sys/types.h>
  23 #include <syscall.h>
  24 #include <signal.h>
  25 #include <unistd.h>
  26
  27 #define getchild(i) getchildbypid(getpid(),i)
  28
  29 static __inline__ pid_t proc_create(char *name,uid_t uid,gid_t gid,pid_t parent) {
  30   return syscall_call(SYSCALL_PROC_CREATE,4,name,uid,gid,parent);
  31 }
  32
  33 static __inline__ int proc_destroy(pid_t pid) {
  34   return syscall_call(SYSCALL_PROC_DESTROY,1,pid);
  35 }
  36
  37 static __inline__ int proc_getvar(pid_t pid,int var) {
  38   return syscall_call(SYSCALL_PROC_GETVAR,1,pid);
  39 }
  40
  41 static __inline__ void proc_setvar(pid_t pid,int var) {
  42   syscall_call(SYSCALL_PROC_SETVAR,2,pid,var);
  43 }
  44
  45 static __inline__ void proc_setname(pid_t pid,const char *name) {
  46   syscall_call(SYSCALL_PROC_SETNAME,2,pid,name);
  47 }
  48
  49 static __inline__ void *proc_memmap(pid_t pid,void *virt,void *phys,int writable,int swappable,int cow) {
  50   return (void*)syscall_call(SYSCALL_PROC_MEMMAP,6,pid,virt,phys,writable,swappable,cow);
  51 }
  52
  53 static __inline__ void *proc_memalloc(pid_t pid,void *virt,int writable,int swappable) {
  54   return (void*)syscall_call(SYSCALL_PROC_MEMALLOC,4,pid,virt,writable,swappable);
  55 }
  56
  57 static __inline__ int proc_memunmap(pid_t pid,void *virt) {
  58   return syscall_call(SYSCALL_PROC_MEMUNMAP,2,pid,virt);
  59 }
  60
  61 static __inline__ int proc_memfree(pid_t pid,void *virt) {
  62   return syscall_call(SYSCALL_PROC_MEMFREE,2,pid,virt);
  63 }
  64
  65 static __inline__ void *proc_memget(pid_t pid,void *virt,int *exists,int *writable,int *swappable,int *cow) {
  66   return (void*)syscall_call(SYSCALL_PROC_MEMGET,6,pid,virt,exists,writable,swappable,cow);
  67 }
  68
  69 static __inline__ int proc_system(pid_t pid,int system) {
  70   return syscall_call(SYSCALL_PROC_SYSTEM,2,pid,system);
  71 }
  72
  73 static __inline__ int proc_jump(pid_t pid,void *dest) {
  74   return syscall_call(SYSCALL_PROC_JUMP,2,pid,dest);
  75 }
  76
  77 static __inline__ int proc_createstack(pid_t pid) {
  78   return syscall_call(SYSCALL_PROC_CREATESTACK,1,pid);
  79 }
  80
  81 static __inline__ void proc_run(pid_t pid) {
  82   kill(pid,SIGCONT);
  83 }
  84
  85 static __inline__ void proc_stop(pid_t pid) {
  86   kill(pid,SIGSTOP);
  87 }
  88
  89 static __inline__ pid_t getpidbyname(const char *name) {
  90   return syscall_call(SYSCALL_PROC_GETPIDBYNAME,1,name);
  91 }
  92
  93 static __inline__ uid_t getuidbypid(pid_t pid) {
  94   return syscall_call(SYSCALL_PROC_GETUID,1,pid);
  95 }
  96
  97 static __inline__ uid_t getgidbypid(pid_t pid) {
  98   return syscall_call(SYSCALL_PROC_GETGID,1,pid);
  99 }
 100
 101 static __inline__ pid_t getppidbypid(pid_t pid) {
 102   return syscall_call(SYSCALL_PROC_GETPARENT,1,pid);
 103 }
 104
 105 static __inline__ gid_t getpgidbypid(pid_t pid) {
 106   return syscall_call(SYSCALL_PROC_GETGID,1,pid);
 107 }
 108
 109 static __inline__ pid_t getchildbypid(pid_t pid,size_t i) {
 110   return syscall_call(SYSCALL_PROC_GETCHILD,2,pid,i);
 111 }
 112
 113 char *getname(pid_t pid);
 114 void **proc_mempagelist(pid_t pid,size_t *_num_pages);
 115 int proc_pack_procdata(char **argv,char **env,char *cwd,mode_t cmask);
 116 int proc_unpack_procdata(int var,int *argc,char ***argv);
 117
 118 #endif