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author | Alex Auvolat <alex.auvolat@ens.fr> | 2015-02-09 19:24:42 +0100 |
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committer | Alex Auvolat <alex.auvolat@ens.fr> | 2015-02-09 19:24:42 +0100 |
commit | 440d9dc470703d20a55365b3a560196e71d450d4 (patch) | |
tree | bcc864c7aeb0af7a81c4fcd7430fa8c3001f8383 /src/kernel/include/process.h | |
parent | caf842864bdc0794e387f9580af96ab1036996f4 (diff) | |
download | kogata-440d9dc470703d20a55365b3a560196e71d450d4.tar.gz kogata-440d9dc470703d20a55365b3a560196e71d450d4.zip |
Start work on filesystems.
Diffstat (limited to 'src/kernel/include/process.h')
-rw-r--r-- | src/kernel/include/process.h | 32 |
1 files changed, 5 insertions, 27 deletions
diff --git a/src/kernel/include/process.h b/src/kernel/include/process.h index 00ed1d7..a6ca1e9 100644 --- a/src/kernel/include/process.h +++ b/src/kernel/include/process.h @@ -3,41 +3,19 @@ // Things described in this file are essentially a public interface // All implementation details are hidden in process.c +// A process is a recipient for user code, as well as for mounting File Systems, +// which allow access to features of the system. + #include <thread.h> #include <hashtbl.h> -#include <buffer.h> - -#define PW_NOT_WAITING 0 -#define PW_WAIT_ANY_MSG 1 -#define PW_WAIT_MSG_ON_CHAN 2 - -#define PROCESS_MAILBOX_SIZE 42 - -typedef int chan_id_t; -typedef struct chan_pair { - chan_id_t fst, snd; -} chan_pair_t; - -typedef struct message { - buffer_t *data; - chan_id_t chan_id; -} message_t; struct process; typedef struct process process_t; -process_t *new_process(entry_t entry, void* data, chan_pair_t *give_chans); - -chan_pair_t new_chan(); // not used very often, but still usefull -chan_id_t unbox_chan(chan_id_t chan, chan_id_t subchan); -void detach_chan(chan_id_t chan); // chan ID is freed - -int send_message(chan_id_t chan, buffer_t *msg); // nonnull on error (recipient queue is full) +process_t *new_process(entry_t entry, void* data); -size_t await_message(); // returns the size of the first message to come -size_t await_message_on_chan(chan_id_t chan); // returns the size of the first message to come -message_t get_message(); // gets the first message in the queue (or nothing when queue is empty) +bool mmap(process_t *proc, void* addr, size_t size, int type); /* vim: set ts=4 sw=4 tw=0 noet :*/ |