Justus Winter, le Thu 27 Nov 2014 14:18:44 +0100, a écrit : > These two functions map payloads to objects and port names. The former > can be used like `ports_lookup_port' to look up objects, the latter to > map payloads to port names if the server function expects a > `mach_port_t'. > > * libports/ports.h: Add function ports_payload_get_name. > * libports/lookup-payload.c: New file. > * libports/ports.h (ports_lookup_payload): Add declaration. > * libports/Makefile (SRCS): Add lookup-payload.c.
Ack. > --- > libports/Makefile | 2 +- > libports/extern-inline.c | 22 ++++++++++++++++++++ > libports/ports.h | 53 > ++++++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 76 insertions(+), 1 deletion(-) > create mode 100644 libports/extern-inline.c > > diff --git a/libports/Makefile b/libports/Makefile > index 30da1c1..f49cb9f 100644 > --- a/libports/Makefile > +++ b/libports/Makefile > @@ -36,7 +36,7 @@ SRCS = create-bucket.c create-class.c \ > interrupt-operation.c interrupt-on-notify.c interrupt-notified-rpcs.c \ > dead-name.c create-port.c import-port.c default-uninhibitable-rpcs.c \ > claim-right.c transfer-right.c create-port-noinstall.c create-internal.c \ > - interrupted.c > + interrupted.c extern-inline.c > > installhdrs = ports.h > > diff --git a/libports/extern-inline.c b/libports/extern-inline.c > new file mode 100644 > index 0000000..fbc9e53 > --- /dev/null > +++ b/libports/extern-inline.c > @@ -0,0 +1,22 @@ > +/* Run time callable functions for extern inlines. > + Copyright (C) 2014 Free Software Foundation, Inc. > + > + Written by Justus Winter <4win...@informatik.uni-hamburg.de> > + > + This file is part of the GNU Hurd. > + > + The GNU Hurd is free software; you can redistribute it and/or > + modify it under the terms of the GNU General Public License as > + published by the Free Software Foundation; either version 2, or (at > + your option) any later version. > + > + The GNU Hurd is distributed in the hope that it will be useful, but > + WITHOUT ANY WARRANTY; without even the implied warranty of > + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > + General Public License for more details. > + > + You should have received a copy of the GNU General Public License > + along with the GNU Hurd. If not, see <http://www.gnu.org/licenses/>. */ > + > +#define PORTS_DEFINE_EI > +#include "ports.h" > diff --git a/libports/ports.h b/libports/ports.h > index 652edb8..a625b47 100644 > --- a/libports/ports.h > +++ b/libports/ports.h > @@ -29,6 +29,12 @@ > #include <pthread.h> > #include <refcount.h> > > +#ifdef PORTS_DEFINE_EI > +#define PORTS_EI > +#else > +#define PORTS_EI __extern_inline > +#endif > + > /* These are global values for common flags used in the various structures. > Not all of these are meaningful in all flag fields. */ > #define PORTS_INHIBITED 0x0100 /* block RPC's */ > @@ -234,6 +240,53 @@ mach_port_t ports_get_send_right (void *port); > void *ports_lookup_port (struct port_bucket *bucket, > mach_port_t port, struct port_class *class); > > +/* Like ports_lookup_port, but uses PAYLOAD to look up the object. If > + this function is used, PAYLOAD must be a pointer to the port > + structure. */ > +extern void *ports_lookup_payload (struct port_bucket *bucket, > + unsigned long payload, > + struct port_class *class); > + > +/* This returns the ports name. This function can be used as > + intranpayload function turning payloads back into port names. If > + this function is used, PAYLOAD must be a pointer to the port > + structure. */ > +extern mach_port_t ports_payload_get_name (unsigned int payload); > + > +#if defined(__USE_EXTERN_INLINES) || defined(PORTS_DEFINE_EI) > + > +PORTS_EI void * > +ports_lookup_payload (struct port_bucket *bucket, > + unsigned long payload, > + struct port_class *class) > +{ > + struct port_info *pi = (struct port_info *) payload; > + > + if (pi && bucket && pi->bucket != bucket) > + pi = NULL; > + > + if (pi && class && pi->class != class) > + pi = NULL; > + > + if (pi) > + refcounts_unsafe_ref (&pi->refcounts, NULL); > + > + return pi; > +} > + > +PORTS_EI mach_port_t > +ports_payload_get_name (unsigned int payload) > +{ > + struct port_info *pi = (struct port_info *) payload; > + > + if (pi) > + return pi->port_right; > + > + return MACH_PORT_NULL; > +} > + > +#endif /* Use extern inlines. */ > + > /* Allocate another reference to PORT. */ > void ports_port_ref (void *port); > > -- > 2.1.3 > -- Samuel > Quelqu'un aurait-il une solution pour réinitialiser un MBR Si tu veux qu'il soit complètement blanc (pas souhaitable, à mon avis) : dd if=/dev/zero of=/dev/hda bs=512 count=1 (sous Linux) -+- OT in Guide du linuxien (très) pervers - "Pour les K difficiles" -+-
