diff options
Diffstat (limited to 'src/kernel/syscalls.c')
| -rw-r--r-- | src/kernel/syscalls.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/kernel/syscalls.c b/src/kernel/syscalls.c index eb8da09..21c1b72 100644 --- a/src/kernel/syscalls.c +++ b/src/kernel/syscalls.c @@ -196,7 +196,7 @@ fail: return -1; } -int _syscall_fs_wait(handle_t back, void __user *info) { +int _syscall_fs_wait(handle_t back, char __user *buf, int __user *len) { struct handle *back_handle; if (back < 0 || back >= HANDLE_MAX) return -1; @@ -206,6 +206,10 @@ int _syscall_fs_wait(handle_t back, void __user *info) { process_current->state = PS_WAITS4REQUEST; back_handle->fs.backend->handler = process_current; + /* checking the validity of those pointers here would make + * vfs_request_pass2handler simpler. TODO? */ + process_current->awaited_req.buf = buf; + process_current->awaited_req.len = len; if (back_handle->fs.backend->queue) { // handle queued requests @@ -238,7 +242,7 @@ int syscall_handler(int num, int a, int b, int c) { case _SYSCALL_FS_CREATE: return _syscall_fs_create((userptr_t)a); case _SYSCALL_FS_WAIT: - return _syscall_fs_wait(a, (userptr_t)b); + return _syscall_fs_wait(a, (userptr_t)b, (userptr_t)c); default: tty_const("unknown syscall "); panic(); |