From 50f7ec339a85ebe60390edc3c8cfb87bd2f57bc4 Mon Sep 17 00:00:00 2001 From: rsc Date: Fri, 7 Jan 2005 21:47:30 +0000 Subject: initial darwin --- src/libthread/Darwin-power.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 src/libthread/Darwin-power.c (limited to 'src/libthread/Darwin-power.c') diff --git a/src/libthread/Darwin-power.c b/src/libthread/Darwin-power.c new file mode 100644 index 00000000..373cc623 --- /dev/null +++ b/src/libthread/Darwin-power.c @@ -0,0 +1,37 @@ +#include "threadimpl.h" + +void +makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...) +{ + ulong *sp, *tos; + va_list arg; + + tos = (ulong*)ucp->uc_stack.ss_sp+ucp->uc_stack.ss_size/sizeof(ulong); + sp = tos - 16; + ucp->label.pc = (long)func; + ucp->label.sp = (long)sp; + va_start(arg, argc); + ucp->label.r3 = va_arg(arg, long); + va_end(arg); +} + +void +getcontext(ucontext_t *uc) +{ + return __setlabel(uc); +} + +int +setcontext(ucontext_t *uc) +{ + return __gotolabel(uc); +} + +int +swapcontext(ucontext_t *oucp, ucontext_t *ucp) +{ + if(getcontext(oucp) == 0) + setcontext(ucp); + return 0; +} + -- cgit v1.2.3