Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Implemented all remaining process related functions from unistd.h using the new syscalls.

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9348 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2004-10-14 14:36:45 +00:00
parent 67c504a23a
commit d67750858c
1 changed files with 41 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
src/kernel/libroot/posix/unistd/process.c
View File

@ -1,25 +1,32 @@
/*
** Copyright 2002, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the OpenBeOS License.
** Copyright 2002-2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the Haiku License.
*/
#include <unistd.h>
#include <syscalls.h>
#include <syscall_process_info.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#define RETURN_AND_SET_ERRNO(err) \
if (err < 0) { \
errno = err; \
return -1; \
} \
return err;
extern thread_id __main_thread_id;
// ToDo: implement the process ID functions for real!
pid_t
getpgrp(void)
{
return 0;
return getpgid(__main_thread_id);
}
@ -34,21 +41,43 @@ getpid(void)
pid_t
getppid(void)
{
return 0;
return _kern_process_info(0, PARENT_ID);
// this is not supposed to return an error value
}
pid_t
getsid(pid_t process)
{
pid_t session = _kern_process_info(process, SESSION_ID);
RETURN_AND_SET_ERRNO(session);
}
pid_t
getpgid(pid_t process)
{
pid_t group = _kern_process_info(process, GROUP_ID);
RETURN_AND_SET_ERRNO(group);
}
int
setpgid(pid_t pid, pid_t pgid)
setpgid(pid_t process, pid_t group)
{
return 0;
status_t status = _kern_setpgid(process, group);
RETURN_AND_SET_ERRNO(status);
}
pid_t
setsid(void)
{
return EPERM;
status_t status = _kern_setsid();
RETURN_AND_SET_ERRNO(status);
}