diff options
Diffstat (limited to 'common/uapi/proc.c')
| -rw-r--r-- | common/uapi/proc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/common/uapi/proc.c b/common/uapi/proc.c index 5dbd90c..969dcd6 100644 --- a/common/uapi/proc.c +++ b/common/uapi/proc.c @@ -62,8 +62,9 @@ SYSCALL_DEFINE0(fork)(){ if (!t) return SYS_RET1(ERR_OOMEM); - /* prepare args for when we eventually swap to the new proc */ - set_args(t, SYS_RET2(OK, 0)); + /* prepare args for when we eventually swap to the new proc, giving + * parent ID as third return value */ + set_args(t, SYS_RET3(OK, 0, c->pid)); return SYS_RET2(OK, t->pid); } @@ -166,5 +167,9 @@ SYSCALL_DEFINE1(swap)(sys_arg_t tid){ /* switch over to new thread */ use_tcb(t); + /* set return value for current thread */ + set_args(c, SYS_RET1(OK)); + + /* get register state for new thread */ return get_args(t); } |