diff options
Diffstat (limited to 'common/uapi')
| -rw-r--r-- | common/uapi/proc.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/common/uapi/proc.c b/common/uapi/proc.c index a668246..a9a3dce 100644 --- a/common/uapi/proc.c +++ b/common/uapi/proc.c @@ -12,6 +12,8 @@ #include <apos/bits.h> #include <apos/mem_regions.h> +#include <arch/proc.h> + /** * Create syscall handler. * @@ -122,10 +124,15 @@ SYSCALL_DEFINE1(kill)(sys_arg_t tid) * @return \ref OK and 0. */ SYSCALL_DEFINE1(swap)(sys_arg_t tid){ - /** \todo switch to process */ - /** \todo should switch return the registers of the new thread that would - * be used for message passing? */ - return (struct sys_ret){ OK, 0, 0, 0, 0, 0 }; + struct tcb *t = get_tcb(tid); + if (!t) + /** @todo add error sys_ret macro? */ + return (struct sys_ret){ERR_INVAL, 0, 0, 0, 0, 0}; + + /* switch over to new thread */ + use_tcb(t); + + return get_args(t); } /** |