Complete bsd-signal.h with sigwait, sigwaitinfo, sigqueue, sigaltstack, kill, and killpg. Add FreeBSD-specific os-signal.h with pdkill.
Signed-off-by: Stacey Son <[email protected]> Signed-off-by: Kyle Evans <[email protected]> Signed-off-by: Warner Losh <[email protected]> Assisted-by: Claude Opus 4.6 (1M context) --- bsd-user/bsd-signal.h | 80 ++++++++++++++++++++++++++++++++++++++++++++ bsd-user/freebsd/os-signal.h | 20 +++++++++++ 2 files changed, 100 insertions(+) diff --git a/bsd-user/bsd-signal.h b/bsd-user/bsd-signal.h index 49e58d7436..09c5b30913 100644 --- a/bsd-user/bsd-signal.h +++ b/bsd-user/bsd-signal.h @@ -148,4 +148,84 @@ static inline abi_long do_bsd_sigreturn(CPUArchState *env, abi_long arg1) /* sigsetmask(2) - not defined */ /* sigstack(2) - not defined */ +/* sigwait(2) */ +static inline abi_long do_bsd_sigwait(abi_ulong arg1, abi_ulong arg2, + abi_long arg3) +{ + abi_long ret; + void *p; + sigset_t set; + int sig; + + p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1); + if (p == NULL) { + return -TARGET_EFAULT; + } + target_to_host_sigset(&set, p); + unlock_user(p, arg1, 0); + ret = get_errno(sigwait(&set, &sig)); + if (!is_error(ret) && arg2) { + ret = put_user_s32(sig, arg2); + } + return ret; +} + +/* sigwaitinfo(2) */ +static inline abi_long do_bsd_sigwaitinfo(abi_ulong arg1, abi_ulong arg2) +{ + abi_long ret; + void *p; + sigset_t set; + siginfo_t uinfo; + + p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1); + if (p == NULL) { + return -TARGET_EFAULT; + } + target_to_host_sigset(&set, p); + unlock_user(p, arg1, 0); + ret = get_errno(sigwaitinfo(&set, &uinfo)); + if (!is_error(ret) && arg2) { + p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0); + if (p == NULL) { + return -TARGET_EFAULT; + } + host_to_target_siginfo(p, &uinfo); + unlock_user(p, arg2, sizeof(target_siginfo_t)); + } + return ret; +} + +/* sigqueue(2) */ +static inline abi_long do_bsd_sigqueue(abi_long arg1, abi_long arg2, + abi_ulong arg3) +{ + union sigval value; + target_sigval_t *tvalue = (target_sigval_t *)&arg3; + abi_ulong sival_ptr; + + __get_user(sival_ptr, &tvalue->sival_ptr); + value.sival_ptr = (void *)(uintptr_t)sival_ptr; + return get_errno(sigqueue(arg1, target_to_host_signal(arg2), value)); +} + +/* sigaltstck(2) */ +static inline abi_long do_bsd_sigaltstack(CPUArchState *env, abi_ulong arg1, + abi_ulong arg2) +{ + return do_sigaltstack(arg1, arg2, get_sp_from_cpustate(env)); +} + +/* kill(2) */ +static inline abi_long do_bsd_kill(abi_long pid, abi_long sig) +{ + return get_errno(kill(pid, target_to_host_signal(sig))); +} + +/* killpg(2) */ +static inline abi_long do_bsd_killpg(abi_long pg, abi_long sig) +{ + return get_errno(killpg(pg, target_to_host_signal(sig))); +} + #endif /* BSD_SIGNAL_H */ diff --git a/bsd-user/freebsd/os-signal.h b/bsd-user/freebsd/os-signal.h new file mode 100644 index 0000000000..fe102c33e4 --- /dev/null +++ b/bsd-user/freebsd/os-signal.h @@ -0,0 +1,20 @@ +/* + * FreeBSD signal system call shims + * + * Copyright (c) 2013 Stacey D. Son + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#ifndef FREEBSD_OS_SIGNAL_H +#define FREEBSD_OS_SIGNAL_H + +#include <sys/procdesc.h> + +/* pdkill(2) */ +static inline abi_long do_freebsd_pdkill(abi_long arg1, abi_long arg2) +{ + + return get_errno(pdkill(arg1, target_to_host_signal(arg2))); +} + +#endif /* FREEBSD_OS_SIGNAL_H */ -- 2.52.0
