Hey, ACK series, but I haven't read the winfiber code really carefully (since I know nothing about it).
Christophe On Wed, Aug 17, 2011 at 02:45:11PM +0200, Marc-André Lureau wrote: > As described in > http://www.1024cores.net/home/lock-free-algorithms/tricks/fibers > --- > gtk/continuation.c | 12 +++++++++++- > gtk/continuation.h | 2 ++ > 2 files changed, 13 insertions(+), 1 deletions(-) > > diff --git a/gtk/continuation.c b/gtk/continuation.c > index 4f5b027..6eaed3c 100644 > --- a/gtk/continuation.c > +++ b/gtk/continuation.c > @@ -21,6 +21,7 @@ > #include <config.h> > > #include "continuation.h" > +#undef _FORTIFY_SOURCE > > /* > * va_args to makecontext() must be type 'int', so passing > @@ -40,6 +41,11 @@ static void continuation_trampoline(int i0, int i1) > arg.i[1] = i1; > cc = arg.p; > > + if (_setjmp(cc->jmp) == 0) { > + ucontext_t tmp; > + swapcontext(&tmp, &cc->last); > + } > + > cc->entry(cc); > } > > @@ -56,6 +62,7 @@ int cc_init(struct continuation *cc) > cc->uc.uc_stack.ss_flags = 0; > > makecontext(&cc->uc, (void *)continuation_trampoline, 2, arg.i[0], > arg.i[1]); > + swapcontext(&cc->last, &cc->uc); > > return 0; > } > @@ -78,7 +85,10 @@ int cc_swap(struct continuation *from, struct continuation > *to) > else if (to->exited == 1) > return 1; > > - return swapcontext(&from->uc, &to->uc); > + if (_setjmp(from->jmp) == 0) > + _longjmp(to->jmp, 1); > + > + return 0; > } > /* > * Local variables: > diff --git a/gtk/continuation.h b/gtk/continuation.h > index 87cd4ee..1247337 100644 > --- a/gtk/continuation.h > +++ b/gtk/continuation.h > @@ -23,6 +23,7 @@ > > #include <stddef.h> > #include <ucontext.h> > +#include <setjmp.h> > > struct continuation > { > @@ -35,6 +36,7 @@ struct continuation > ucontext_t uc; > ucontext_t last; > int exited; > + jmp_buf jmp; > }; > > int cc_init(struct continuation *cc); > -- > 1.7.6 > > _______________________________________________ > Spice-devel mailing list > Spice-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/spice-devel
pgpn1QOmwiqtt.pgp
Description: PGP signature
_______________________________________________ Spice-devel mailing list Spice-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/spice-devel
