Date: Sat, 25 Oct 1997 07:30:01 -0700 (PDT) From: KATO Takenori <kato@migmatite.eps.nagoya-u.ac.jp> To: freebsd-bugs Subject: Re: kern/4355: Executor does not work with sound configured into kernel, must use 'nosound' (other sound apps work) Message-ID: <199710251430.HAA05066@hub.freebsd.org>
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The following reply was made to PR kern/4355; it has been noted by GNATS.
From: KATO Takenori <kato@migmatite.eps.nagoya-u.ac.jp>
To: freebsd-gnats-submit@freebsd.org, dburr@donaldburr.dyn.ml.org
Cc: Subject: Re: kern/4355: Executor does not work with sound configured into kernel,
must use 'nosound' (other sound apps work)
Date: Sat, 25 Oct 1997 23:19:26 +0900
> Executor crashes and burns when FreeBSD sound support is compiled in,
> unless you use the -nosound flag. Other Linux binaries that use sound
> (e.g. MAME arcade machine emulator, etc.) work fine.
>
> Errors that appear on the terminal:
> linux-sound.c:339; fatal error in `sound_linux_init': Couldn't get semaphore
> Segmentation fault
Executor cannot get SysV semaphore because linux_semget is not
implemented. Patch included adds SysV semaphore support in linux
emulator, and executor works without -nosound option. But, sound
stuff of executor doesn't work because `clone' systemcall is not
implemented.
---------- BEGIN ----------
*** linux_ipc.c.ORIG Sat Oct 25 23:18:43 1997
--- linux_ipc.c Sat Oct 25 22:20:00 1997
***************
*** 130,148 ****
static int
linux_semop(struct proc *p, struct linux_ipc_args *args, int *retval)
{
! return ENOSYS;
}
static int
linux_semget(struct proc *p, struct linux_ipc_args *args, int *retval)
{
! return ENOSYS;
}
static int
linux_semctl(struct proc *p, struct linux_ipc_args *args, int *retval)
{
! return ENOSYS;
}
static int
--- 130,180 ----
static int
linux_semop(struct proc *p, struct linux_ipc_args *args, int *retval)
{
! struct semop_args /* {
! int semid;
! struct sembuf *sops;
! int nsops;
! } */ bsd_args;
!
! bsd_args.semid = args->arg1;
! bsd_args.sops = (struct sembuf *)args->ptr;
! bsd_args.nsops = args->arg2;
! return semop(p, &bsd_args, retval);
}
static int
linux_semget(struct proc *p, struct linux_ipc_args *args, int *retval)
{
! struct semget_args /* {
! key_t key;
! int nsems;
! int semflg;
! } */ bsd_args;
!
! bsd_args.key = args->arg1;
! bsd_args.nsems = args->arg2;
! bsd_args.semflg = args->arg3;
! return semget(p, &bsd_args, retval);
}
static int
linux_semctl(struct proc *p, struct linux_ipc_args *args, int *retval)
{
! struct __semctl_args /* {
! int semid;
! int semnum;
! int cmd;
! union semun *arg;
! } */ bsd_args;
! int error;
!
! bsd_args.semid = args->arg1;
! bsd_args.semnum = args->arg2;
! bsd_args.cmd = args->arg3;
! error = copyin(args->ptr, (caddr_t)bsd_args.arg, sizeof(bsd_args.arg));
! if (error)
! return error;
! return __semctl(p, &bsd_args, retval);
}
static int
---------- END ----------
----
KATO Takenori <kato@ganko.eps.nagoya-u.ac.jp>
Dept. Earth Planet. Sci., Nagoya Univ., Nagoya, 464-01, Japan
PGP public key: finger kato@eclogite.eps.nagoya-u.ac.jp
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