Commit Graph

7 Commits

Author SHA1 Message Date
Brian Gianforcaro
569c5a8922 Kernel: Harden sys$purge Vector usage against OOM.
sys$purge() is a bit unique, in that it is probably in the systems
advantage to attempt to limp along if we hit OOM while processing
the vmobjects to purge. This change modifies the algorithm to observe
OOM and continue trying to purge any previously visited VMObjects.
2021-04-29 20:31:15 +02:00
Brian Gianforcaro
1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00
Andreas Kling
ac71775de5 Kernel: Make all syscall functions return KResultOr<T>
This makes it a lot easier to return errors since we no longer have to
worry about negating EFOO errors and can just return them flat.
2021-03-01 13:54:32 +01:00
Andreas Kling
9ec9d20e84 Kernel: Fix bad VMObject iteration in sys$purge()
We were fooling ourselves into thinking all VMObjects are anonymous and
then tried to call purge() on them as if they were.
2021-01-02 13:34:29 +01:00
Tom
476f17b3f1 Kernel: Merge PurgeableVMObject into AnonymousVMObject
This implements memory commitments and lazy-allocation of committed
memory.
2021-01-01 23:43:44 +01:00
Andreas Kling
7c3b6b10e4 Kernel: Remove the limited use of AK::TypeTraits we had in the kernel
This was only used for VMObject and we can do without it there. This is
preparation for migrating to dynamic_cast-based helpers in userspace.
2021-01-01 15:32:44 +01:00
Andreas Kling
949aef4aef Kernel: Move syscall implementations out of Process.cpp
This is something I've been meaning to do for a long time, and here we
finally go. This patch moves all sys$foo functions out of Process.cpp
and into files in Kernel/Syscalls/.

It's not exactly one syscall per file (although it could be, but I got
a bit tired of the repetitive work here..)

This makes hacking on individual syscalls a lot less painful since you
don't have to rebuild nearly as much code every time. I'm also hopeful
that this makes it easier to understand individual syscalls. :^)
2020-07-30 23:40:57 +02:00