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5b52c5aa02
minix/servers
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Tomas Hruby 5b52c5aa02 A reliable way for userspace to check if a msg is from kernel 
- IPC_FLG_MSG_FROM_KERNEL status flag is returned to userspace if the
  receive was satisfied by s message which was sent by the kernel on
  behalf of a process. This perfectly reliale information.

- MF_SENDING_FROM_KERNEL flag added to processes to be able to set
  IPC_FLG_MSG_FROM_KERNEL when finishing receive if the receiver
  wasn't ready to receive immediately.

- PM is changed to use this information to confirm that the scheduling
  messages are indeed from the kernel and not faked by a process.

  PM uses sef_receive_status()

- get_work() is removed from PM to make the changes simpler
2010-03-29 11:25:01 +00:00
..
ds Convert drivers/ and servers/ over to bsdmake 2010-03-22 21:25:22 +00:00
hgfs Convert drivers/ and servers/ over to bsdmake 2010-03-22 21:25:22 +00:00
inet Convert drivers/ and servers/ over to bsdmake 2010-03-22 21:25:22 +00:00
init Convert drivers/ and servers/ over to bsdmake 2010-03-22 21:25:22 +00:00
ipc Convert drivers/ and servers/ over to bsdmake 2010-03-22 21:25:22 +00:00
is Userspace scheduling 2010-03-29 11:07:20 +00:00
iso9660fs Convert drivers/ and servers/ over to bsdmake 2010-03-22 21:25:22 +00:00
mfs Convert drivers/ and servers/ over to bsdmake 2010-03-22 21:25:22 +00:00
pfs Convert drivers/ and servers/ over to bsdmake 2010-03-22 21:25:22 +00:00
pm A reliable way for userspace to check if a msg is from kernel 2010-03-29 11:25:01 +00:00
rs IPC status code for receive(). 2010-03-23 00:09:11 +00:00
vfs Convert drivers/ and servers/ over to bsdmake 2010-03-22 21:25:22 +00:00
vm Print stacktrace when a system service fails or when a core dump has to be generated for a user process. 2010-03-22 22:46:29 +00:00
Makefile Convert drivers/ and servers/ over to bsdmake 2010-03-22 21:25:22 +00:00