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add some debugging.

This commit is contained in:
christos 2009-01-20 20:47:33 +00:00
parent 9d5675794b
commit 5bd9ba9f86
1 changed files with 25 additions and 7 deletions
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32
sys/compat/linux32/common/linux32_signal.c
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@ -1,4 +1,4 @@
/* $NetBSD: linux32_signal.c,v 1.9 2008/07/24 12:09:56 njoly Exp $ */
/* $NetBSD: linux32_signal.c,v 1.10 2009/01/20 20:47:33 christos Exp $ */
/*-
* Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: linux32_signal.c,v 1.9 2008/07/24 12:09:56 njoly Exp $");
__KERNEL_RCSID(0, "$NetBSD: linux32_signal.c,v 1.10 2009/01/20 20:47:33 christos Exp $");
#include <sys/param.h>
#include <sys/ucred.h>
@ -56,6 +56,12 @@ __KERNEL_RCSID(0, "$NetBSD: linux32_signal.c,v 1.9 2008/07/24 12:09:56 njoly Exp
extern const int native_to_linux32_signo[];
extern const int linux32_to_native_signo[];
#ifdef DEBUG_LINUX
#define DPRINTF(a) uprintf a
#else
#define DPRINTF(a)
#endif
void
linux32_to_native_sigset(sigset_t *bss, const linux32_sigset_t *lss)
{
@ -205,19 +211,27 @@ linux32_sys_rt_sigaction(struct lwp *l, const struct linux32_sys_rt_sigaction_ar
int vers = 0;
void *tramp = NULL;
if (SCARG(uap, sigsetsize) != sizeof(linux32_sigset_t))
if (SCARG(uap, sigsetsize) != sizeof(linux32_sigset_t)) {
DPRINTF(("rt_sigaction: Inconsistent sigsetsize %u %zu\n",
SCARG(uap, sigsetsize), sizeof(linux32_sigset_t)));
return EINVAL;
}
if (SCARG_P32(uap, nsa) != NULL) {
if ((error = copyin(SCARG_P32(uap, nsa),
&nls32, sizeof(nls32))) != 0)
&nls32, sizeof(nls32))) != 0) {
DPRINTF(("rt_sigaction: Copyin %d\n", error));
return error;
}
linux32_to_native_sigaction(&ns, &nls32);
}
sig = SCARG(uap, signum);
if (sig < 0 || sig >= LINUX32__NSIG)
if (sig < 0 || sig >= LINUX32__NSIG) {
DPRINTF(("rt_sigaction: Bad signal number %d %d\n",
sig, LINUX32__NSIG));
return EINVAL;
}
if (sig > 0 && !linux32_to_native_signo[sig]) {
/* unknown signal... */
os.sa_handler = SIG_IGN;
@ -228,16 +242,20 @@ linux32_sys_rt_sigaction(struct lwp *l, const struct linux32_sys_rt_sigaction_ar
linux32_to_native_signo[sig],
SCARG_P32(uap, nsa) ? &ns : NULL,
SCARG_P32(uap, osa) ? &os : NULL,
tramp, vers)) != 0)
tramp, vers)) != 0) {
DPRINTF(("rt_sigaction: sigaction %d\n", error));
return error;
}
}
if (SCARG_P32(uap, osa) != NULL) {
native_to_linux32_sigaction(&ols32, &os);
if ((error = copyout(&ols32, SCARG_P32(uap, osa),
sizeof(ols32))) != 0)
sizeof(ols32))) != 0) {
DPRINTF(("rt_sigaction: Copyout %d\n", error));
return error;
}
}
return 0;