diff options
Diffstat (limited to 'sys/compat/freebsd32/freebsd32_misc.c')
| -rw-r--r-- | sys/compat/freebsd32/freebsd32_misc.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/sys/compat/freebsd32/freebsd32_misc.c b/sys/compat/freebsd32/freebsd32_misc.c index 08a072fbfa203..a8e69b731fe7a 100644 --- a/sys/compat/freebsd32/freebsd32_misc.c +++ b/sys/compat/freebsd32/freebsd32_misc.c @@ -2477,6 +2477,32 @@ siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) dst->si_overrun = src->si_overrun; } +#ifndef _FREEBSD32_SYSPROTO_H_ +struct freebsd32_sigqueue_args { + pid_t pid; + int signum; + /* union sigval32 */ int value; +}; +#endif +int +freebsd32_sigqueue(struct thread *td, struct freebsd32_sigqueue_args *uap) +{ + union sigval sv; + + /* + * On 32-bit ABIs, sival_int and sival_ptr are the same. + * On 64-bit little-endian ABIs, the low bits are the same. + * In 64-bit big-endian ABIs, sival_int overlaps with + * sival_ptr's HIGH bits. We choose to support sival_int + * rather than sival_ptr in this case as it seems to be + * more common. + */ + bzero(&sv, sizeof(sv)); + sv.sival_int = uap->value; + + return (kern_sigqueue(td, uap->pid, uap->signum, &sv)); +} + int freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) { |