Date: Sun, 12 Jan 2020 14:25:44 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r356659 - in head/sys: compat/linux kern sys Message-ID: <202001121425.00CEPijO050048@repo.freebsd.org>
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Author: trasz Date: Sun Jan 12 14:25:44 2020 New Revision: 356659 URL: https://svnweb.freebsd.org/changeset/base/356659 Log: dd kern_getpriority(), make Linuxulator use it. Reviewed by: kib, emaste MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D22842 Modified: head/sys/compat/linux/linux_misc.c head/sys/kern/kern_resource.c head/sys/sys/syscallsubr.h Modified: head/sys/compat/linux/linux_misc.c ============================================================================== --- head/sys/compat/linux/linux_misc.c Sun Jan 12 13:38:51 2020 (r356658) +++ head/sys/compat/linux/linux_misc.c Sun Jan 12 14:25:44 2020 (r356659) @@ -1613,12 +1613,9 @@ linux_nosys(struct thread *td, struct nosys_args *igno int linux_getpriority(struct thread *td, struct linux_getpriority_args *args) { - struct getpriority_args bsd_args; int error; - bsd_args.which = args->which; - bsd_args.who = args->who; - error = sys_getpriority(td, &bsd_args); + error = kern_getpriority(td, args->which, args->who); td->td_retval[0] = 20 - td->td_retval[0]; return (error); } Modified: head/sys/kern/kern_resource.c ============================================================================== --- head/sys/kern/kern_resource.c Sun Jan 12 13:38:51 2020 (r356658) +++ head/sys/kern/kern_resource.c Sun Jan 12 14:25:44 2020 (r356659) @@ -92,19 +92,26 @@ struct getpriority_args { int sys_getpriority(struct thread *td, struct getpriority_args *uap) { + + return (kern_getpriority(td, uap->which, uap->who)); +} + +int +kern_getpriority(struct thread *td, int which, int who) +{ struct proc *p; struct pgrp *pg; int error, low; error = 0; low = PRIO_MAX + 1; - switch (uap->which) { + switch (which) { case PRIO_PROCESS: - if (uap->who == 0) + if (who == 0) low = td->td_proc->p_nice; else { - p = pfind(uap->who); + p = pfind(who); if (p == NULL) break; if (p_cansee(td, p) == 0) @@ -115,11 +122,11 @@ sys_getpriority(struct thread *td, struct getpriority_ case PRIO_PGRP: sx_slock(&proctree_lock); - if (uap->who == 0) { + if (who == 0) { pg = td->td_proc->p_pgrp; PGRP_LOCK(pg); } else { - pg = pgfind(uap->who); + pg = pgfind(who); if (pg == NULL) { sx_sunlock(&proctree_lock); break; @@ -139,14 +146,14 @@ sys_getpriority(struct thread *td, struct getpriority_ break; case PRIO_USER: - if (uap->who == 0) - uap->who = td->td_ucred->cr_uid; + if (who == 0) + who = td->td_ucred->cr_uid; sx_slock(&allproc_lock); FOREACH_PROC_IN_SYSTEM(p) { PROC_LOCK(p); if (p->p_state == PRS_NORMAL && p_cansee(td, p) == 0 && - p->p_ucred->cr_uid == uap->who) { + p->p_ucred->cr_uid == who) { if (p->p_nice < low) low = p->p_nice; } Modified: head/sys/sys/syscallsubr.h ============================================================================== --- head/sys/sys/syscallsubr.h Sun Jan 12 13:38:51 2020 (r356658) +++ head/sys/sys/syscallsubr.h Sun Jan 12 14:25:44 2020 (r356659) @@ -141,6 +141,7 @@ int kern_getitimer(struct thread *, u_int, struct itim int kern_getppid(struct thread *); int kern_getpeername(struct thread *td, int fd, struct sockaddr **sa, socklen_t *alen); +int kern_getpriority(struct thread *td, int which, int who); int kern_getrusage(struct thread *td, int who, struct rusage *rup); int kern_getsid(struct thread *td, pid_t pid); int kern_getsockname(struct thread *td, int fd, struct sockaddr **sa,
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