diff options
Diffstat (limited to 'kernel/features/io.c')
| -rw-r--r-- | kernel/features/io.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/kernel/features/io.c b/kernel/features/io.c index c48eb62..fbae5cf 100644 --- a/kernel/features/io.c +++ b/kernel/features/io.c @@ -8,6 +8,7 @@ #include <interrupts.h> #include <io.h> #include <list.h> +#include <logger.h> #include <mem.h> #include <mm.h> #include <proc.h> @@ -117,7 +118,7 @@ res io_control(enum io_type io, u32 request, void *arg1, void *arg2, void *arg3) return dev->control(request, arg1, arg2, arg3); } -res io_write(enum io_type io, void *buf, u32 offset, u32 count) +res io_write(enum io_type io, const void *buf, u32 offset, u32 count) { if (!memory_readable(buf)) return -EFAULT; @@ -182,6 +183,24 @@ void io_unblock(enum io_type io) } } +void io_unblock_pid(u32 pid) +{ + for (u32 io = IO_MIN; io < IO_MAX; io++) { + struct node *iterator = io_listeners[io]->head; + while (iterator) { + struct io_listener *listener = iterator->data; + struct proc *proc = listener->proc; + proc_state(proc, PROC_RUNNING); + struct node *next = iterator->next; + if (proc->pid == pid) { + list_remove(io_listeners[io], iterator); + free(listener); + } + iterator = next; + } + } +} + CLEAR void io_install(struct boot_info *boot) { for (u32 i = 0; i < IO_MAX; i++) @@ -200,6 +219,7 @@ CLEAR void io_install(struct boot_info *boot) } timer_install(); + logger_install(); fb_install(boot->vid); bus_install(); } |