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linux(4): optimize ksiginfo to siginfo conversion.

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Retire ksiginfo_to_lsiginfo function, use siginfo_to_lsiginfo instead.
Convert rt_sigtimedwait siginfo variables to well known names.

MFC after:	2 weeks
This commit is contained in:
Dmitry Chagin 2021-06-07 06:06:17 +03:00
parent 9c1045ff00
commit f4e801085b
5 changed files with 10 additions and 18 deletions
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2
sys/amd64/linux/linux_sysvec.c
View file

@ -666,7 +666,7 @@ linux_rt_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
sf.sf_handler = catcher;
/* Fill in POSIX parts. */
ksiginfo_to_lsiginfo(ksi, &sf.sf_si, sig);
siginfo_to_lsiginfo(&ksi->ksi_info, &sf.sf_si, sig);
/* Copy the sigframe out to the user's stack. */
if (copyout(&sf, sfp, sizeof(*sfp)) != 0) {

2
sys/amd64/linux32/linux32_sysvec.c
View file

@ -298,7 +298,7 @@ linux_rt_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
frame.sf_ucontext = PTROUT(&fp->sf_sc);
/* Fill in POSIX parts. */
ksiginfo_to_lsiginfo(ksi, &frame.sf_si, sig);
siginfo_to_lsiginfo(&ksi->ksi_info, &frame.sf_si, sig);
/*
* Build the signal context to be used by sigreturn and libgcc unwind.

21
sys/compat/linux/linux_signal.c
View file

@ -398,8 +398,8 @@ linux_rt_sigtimedwait(struct thread *td,
struct l_timespec lts;
l_sigset_t lset;
sigset_t bset;
l_siginfo_t linfo;
ksiginfo_t info;
l_siginfo_t lsi;
ksiginfo_t ksi;
if (args->sigsetsize != sizeof(l_sigset_t))
return (EINVAL);
@ -419,16 +419,16 @@ linux_rt_sigtimedwait(struct thread *td,
} else
tsa = NULL;
error = kern_sigtimedwait(td, bset, &info, tsa);
error = kern_sigtimedwait(td, bset, &ksi, tsa);
if (error)
return (error);
sig = bsd_to_linux_signal(info.ksi_signo);
sig = bsd_to_linux_signal(ksi.ksi_signo);
if (args->ptr) {
memset(&linfo, 0, sizeof(linfo));
ksiginfo_to_lsiginfo(&info, &linfo, sig);
error = copyout(&linfo, args->ptr, sizeof(linfo));
memset(&lsi, 0, sizeof(lsi));
siginfo_to_lsiginfo(&ksi.ksi_info, &lsi, sig);
error = copyout(&lsi, args->ptr, sizeof(lsi));
}
if (error == 0)
td->td_retval[0] = sig;
@ -542,13 +542,6 @@ linux_tkill(struct thread *td, struct linux_tkill_args *args)
return (linux_do_tkill(td, tdt, &ksi));
}
void
ksiginfo_to_lsiginfo(const ksiginfo_t *ksi, l_siginfo_t *lsi, l_int sig)
{
siginfo_to_lsiginfo(&ksi->ksi_info, lsi, sig);
}
static void
sicode_to_lsicode(int si_code, int *lsi_code)
{

1
sys/compat/linux/linux_signal.h
View file

@ -44,7 +44,6 @@
#define LINUX_SI_TKILL -6 /* sent by tkill system call */
int linux_do_sigaction(struct thread *, int, l_sigaction_t *, l_sigaction_t *);
void ksiginfo_to_lsiginfo(const ksiginfo_t *ksi, l_siginfo_t *lsi, l_int sig);
void siginfo_to_lsiginfo(const siginfo_t *si, l_siginfo_t *lsi, l_int sig);
int lsiginfo_to_siginfo(struct thread *td, const l_siginfo_t *lsi,
siginfo_t *si, int sig);

2
sys/i386/linux/linux_sysvec.c
View file

@ -430,7 +430,7 @@ linux_rt_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
frame.sf_ucontext = &fp->sf_sc;
/* Fill in POSIX parts. */
ksiginfo_to_lsiginfo(ksi, &frame.sf_si, sig);
siginfo_to_lsiginfo(&ksi->ksi_info, &frame.sf_si, sig);
/* Build the signal context to be used by sigreturn. */
frame.sf_sc.uc_flags = 0; /* XXX ??? */