Implement basic support for POSIX-style select().

Now we can block on both the PTY *and* the GUI event stream in Terminal.

1 files changed, 11 insertions, 0 deletions

diff --git a/Kernel/Syscall.h b/Kernel/Syscall.h
index f0e315ec47..2159d491f2 100644
--- a/Kernel/Syscall.h
+++ b/Kernel/Syscall.h
@@ -71,8 +71,11 @@
     __ENUMERATE_SYSCALL(gui_destroy_window) \
     __ENUMERATE_SYSCALL(gui_get_window_backing_store) \
     __ENUMERATE_SYSCALL(gui_invalidate_window) \
+    __ENUMERATE_SYSCALL(select) \
 
 
+struct fd_set;
+
 namespace Syscall {
 
 enum Function {
@@ -102,6 +105,14 @@ struct SC_mmap_params {
     int32_t offset; // FIXME: 64-bit off_t?
 };
 
+struct SC_select_params {
+    int nfds;
+    fd_set* readfds;
+    fd_set* writefds;
+    fd_set* exceptfds;
+    struct timeval* timeout;
+};
+
 void initialize();
 int sync();