ladybird

348 commits 1 branch 0 tags 465 MiB

Author	SHA1	Message	Date
Andreas Kling	03a8357e84	Implement sending signals to blocked-in-kernel processes. This is dirty but pretty cool! If we have a pending, unmasked signal for a process that's blocked inside the kernel, we set up alternate stacks for that process and unblock it to execute the signal handler. A slightly different return trampoline is used here: since we need to get back into the kernel, a dedicated syscall is used (sys$sigreturn.) This restores the TSS contents of the process to the state it was in while we were originally blocking in the kernel. NOTE: There's currently only one "kernel resume TSS" so signal nesting definitely won't work.	2018-11-07 21:19:47 +01:00
Andreas Kling	981a3ae4b3	Make VFS test environment build again.	2018-11-07 12:05:51 +01:00
Andreas Kling	83172e6a4b	Rename FileHandle to FileDescriptor.	2018-11-07 11:37:54 +01:00

Author

SHA1

Message

Date

Andreas Kling

03a8357e84

Implement sending signals to blocked-in-kernel processes.

This is dirty but pretty cool! If we have a pending, unmasked signal for
a process that's blocked inside the kernel, we set up alternate stacks
for that process and unblock it to execute the signal handler.

A slightly different return trampoline is used here: since we need to
get back into the kernel, a dedicated syscall is used (sys$sigreturn.)

This restores the TSS contents of the process to the state it was in
while we were originally blocking in the kernel.

NOTE: There's currently only one "kernel resume TSS" so signal nesting
definitely won't work.

2018-11-07 21:19:47 +01:00

Andreas Kling

981a3ae4b3

Make VFS test environment build again.

2018-11-07 12:05:51 +01:00

Andreas Kling

83172e6a4b

Rename FileHandle to FileDescriptor.

2018-11-07 11:37:54 +01:00

Renamed from VirtualFileSystem/FileHandle.cpp (Browse further)

3 commits