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| -rw-r--r-- | contributing.mdwn | 43 |
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diff --git a/contributing.mdwn b/contributing.mdwn index 99dd0985..b36d4333 100644 --- a/contributing.mdwn +++ b/contributing.mdwn @@ -74,20 +74,37 @@ For more reading resources, please see these web pages, for example, documents. -## Hacking entries - -Here is a list of small hacks, which can serve as entries to the Hurd code for -people who would like to dive into the code. - -* Make pfinet OK with the ethernet device going away. This would be a very nice -feature: being able to just restart the ethernet driver; we've just not taken -the time to fix it yet, but it shouldn't be very hard. The code begins at `hurd/pfinet/ethernet.c`, `ethernet_open()`, the `device_open` call, which produces `edev->ether_port`. Basically, one needs to catch errors like EIEIO when using it, and in that case re-open the device. -* Add a futex kernel trap to GNU Mach. This can be useful for nicer locking primitives, including inter-process primitives. `vm_allocate` can be used as an example in the `gnumach` source tree for how to add a kernel trap. -* Add a `task_set_name` RPC to GNU Mach. Currently the Mach debugger keeps `arg[0]` from the stack with ugly heuristics. It would be far better to let `exec` simply set the name. `thread_create` can be used as an example in the `gnumach` source tree for how to add an RPC. glibc needs to be recompiled against the updated mach.defs to get access to it from userland. -* Write a partfs translator, to which one gives a disk image, and which exposes the partitions of the disk image, using parted, and the parted-based storeio (`settrans -c foos1 /hurd/storeio -T typed part:1:file:/home/samy/tmp/foo`) +## Small hack entries + +Here is a list of small hacks, which can serve as entries into the Hurd code for +people who would like to dive into the code but just lack a "somewhere to begin +with". + +* Make pfinet OK with the ethernet device going away. This would be a very +nice feature: being able to just restart the ethernet driver; we've just not +taken the time to fix it yet, but it shouldn't be very hard. The code begins +at `hurd/pfinet/ethernet.c`, `ethernet_open()`, the `device_open` call, which +produces `edev->ether_port`. Basically, one needs to catch errors like EIEIO +when using it, and in that case re-open the device. +* Add a futex kernel trap to GNU Mach. This can be useful for nicer locking +primitives, including inter-process primitives. `vm_allocate` can be used as an +example in the `gnumach` source tree for how to add a kernel trap. +* Add a `task_set_name` RPC to GNU Mach. Currently the Mach +debugger keeps `arg[0]` from the stack with ugly heuristics (see +`gnumach/i386/i386/db_interface.c`, `looks_like_command`...). It would be +far better to let `exec` simply set the name and record it in `task_t`. +`thread_create` can be used as an example in the `gnumach` source tree for how +to add an RPC. glibc needs to be recompiled against the updated mach.defs to get +access to it from userland. exec would probably call it from `hurd/exec/exec.c`, +`do_exec()`. +* Write a partfs translator, to which one gives a disk image, and +which exposes the partitions of the disk image, using parted, and +the parted-based storeio (`settrans -c foos1 /hurd/storeio -T typed +part:1:file:/home/samy/tmp/foo`). This would be libnetfs-based. * Write virtio drivers for KVM. Ideally they would be userland. -* Port valgrind. There is a -[[GSoC proposal|community/gsoc/project_ideas/valgrind ]] about this. +* Port valgrind. There is a whole +[[GSoC proposal|community/gsoc/project_ideas/valgrind ]] about this, but the +basic port could be small. <a name="porting"></a> ## Porting Packages |