diff options
author | Petter Rodhelind <petter.rodhelind@gmail.com> | 2021-02-18 20:21:24 +0100 |
---|---|---|
committer | Petter Rodhelind <petter.rodhelind@gmail.com> | 2021-02-18 20:21:24 +0100 |
commit | 181d56ee64da53279bb6ecf49c24ab54cfb7193f (patch) | |
tree | fc6c8736bb97790a257c5514998c583ffce7c41c /src/libthread/x86_64-ucontext.c | |
parent | 94c521bf102a74aec7e1a5c3a9ef5eaa968d4e14 (diff) | |
parent | 90971376a5e8620fc62579aa1b3be26245ec8c06 (diff) | |
download | plan9port-master.tar.gz plan9port-master.tar.bz2 plan9port-master.zip |
Diffstat (limited to 'src/libthread/x86_64-ucontext.c')
-rw-r--r-- | src/libthread/x86_64-ucontext.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/src/libthread/x86_64-ucontext.c b/src/libthread/x86_64-ucontext.c deleted file mode 100644 index 5d1aaefc..00000000 --- a/src/libthread/x86_64-ucontext.c +++ /dev/null @@ -1,28 +0,0 @@ -#include "threadimpl.h" - -void -makecontext(ucontext_t *uc, void (*fn)(void), int argc, ...) -{ - uintptr *sp; - va_list arg; - - if(argc != 2) - sysfatal("libthread: makecontext misused"); - va_start(arg, argc); - uc->mc.di = va_arg(arg, uint); - uc->mc.si = va_arg(arg, uint); - va_end(arg); - - sp = USPALIGN(uc, 16); - *--sp = 0; // fn's return address - *--sp = (uintptr)fn; // return address of setcontext - uc->mc.sp = (uintptr)sp; -} - -int -swapcontext(ucontext_t *oucp, ucontext_t *ucp) -{ - if(getcontext(oucp) == 0) - setcontext(ucp); - return 0; -} |