diff options
Diffstat (limited to 'usr/src/lib/libproc/common/pr_getrctl.c')
| -rw-r--r-- | usr/src/lib/libproc/common/pr_getrctl.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/usr/src/lib/libproc/common/pr_getrctl.c b/usr/src/lib/libproc/common/pr_getrctl.c new file mode 100644 index 0000000000..d54fc228a6 --- /dev/null +++ b/usr/src/lib/libproc/common/pr_getrctl.c @@ -0,0 +1,199 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2001 by Sun Microsystems, Inc. + * All rights reserved. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#define _LARGEFILE64_SOURCE + +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include <strings.h> +#include "libproc.h" + +/* + * getrctl() system call -- executed by subject process + */ +int +pr_getrctl(struct ps_prochandle *Pr, const char *rname, + rctlblk_t *old_blk, rctlblk_t *new_blk, int rflag) +{ + sysret_t rval; + argdes_t argd[6]; + argdes_t *adp; + int error; + + if (Pr == NULL) /* no subject process */ + return (getrctl(rname, old_blk, new_blk, rflag)); + + adp = &argd[0]; + adp->arg_value = 0; /* switch for getrctl in rctlsys */ + adp->arg_object = NULL; + adp->arg_type = AT_BYVAL; + adp->arg_inout = AI_INPUT; + adp->arg_size = 0; + + adp++; + adp->arg_value = 0; + adp->arg_object = (void *)rname; + adp->arg_type = AT_BYREF; + adp->arg_inout = AI_INPUT; + adp->arg_size = strlen(rname) + 1; + + adp++; + if (old_blk == NULL) { + adp->arg_value = 0; + adp->arg_object = NULL; + adp->arg_type = AT_BYVAL; + adp->arg_inout = AI_INPUT; + adp->arg_size = 0; + } else { + adp->arg_value = 0; + adp->arg_object = old_blk; + adp->arg_type = AT_BYREF; + adp->arg_inout = AI_INPUT; + adp->arg_size = rctlblk_size(); + } + + adp++; + if (new_blk == NULL) { + adp->arg_value = 0; + adp->arg_object = NULL; + adp->arg_type = AT_BYVAL; + adp->arg_inout = AI_OUTPUT; + adp->arg_size = 0; + } else { + adp->arg_value = 0; + adp->arg_object = new_blk; + adp->arg_type = AT_BYREF; + adp->arg_inout = AI_INOUT; + adp->arg_size = rctlblk_size(); + } + + adp++; + adp->arg_value = 0; /* obufsz isn't used by getrctl() */ + adp->arg_object = NULL; + adp->arg_type = AT_BYVAL; + adp->arg_inout = AI_INPUT; + adp->arg_size = 0; + + adp++; + adp->arg_value = rflag; + adp->arg_object = NULL; + adp->arg_type = AT_BYVAL; + adp->arg_inout = AI_INPUT; + adp->arg_size = 0; + + error = Psyscall(Pr, &rval, SYS_rctlsys, 6, &argd[0]); + + if (error) { + errno = (error > 0) ? error : ENOSYS; + return (-1); + } + return (rval.sys_rval1); +} + +/* + * setrctl() system call -- executed by subject process + */ +int +pr_setrctl(struct ps_prochandle *Pr, const char *rname, + rctlblk_t *old_blk, rctlblk_t *new_blk, int rflag) +{ + sysret_t rval; + argdes_t argd[6]; + argdes_t *adp; + int error; + + if (Pr == NULL) /* no subject process */ + return (setrctl(rname, old_blk, new_blk, rflag)); + + adp = &argd[0]; + adp->arg_value = 1; /* switch for setrctl in rctlsys */ + adp->arg_object = NULL; + adp->arg_type = AT_BYVAL; + adp->arg_inout = AI_INPUT; + adp->arg_size = 0; + + adp++; + adp->arg_value = 0; + adp->arg_object = (void *)rname; + adp->arg_type = AT_BYREF; + adp->arg_inout = AI_INPUT; + adp->arg_size = strlen(rname) + 1; + + adp++; + if (old_blk == NULL) { + adp->arg_value = 0; + adp->arg_object = NULL; + adp->arg_type = AT_BYVAL; + adp->arg_inout = AI_INPUT; + adp->arg_size = 0; + } else { + adp->arg_value = 0; + adp->arg_object = old_blk; + adp->arg_type = AT_BYREF; + adp->arg_inout = AI_INPUT; + adp->arg_size = rctlblk_size(); + } + + adp++; + if (new_blk == NULL) { + adp->arg_value = 0; + adp->arg_object = NULL; + adp->arg_type = AT_BYVAL; + adp->arg_inout = AI_INPUT; + adp->arg_size = 0; + } else { + adp->arg_value = 0; + adp->arg_object = new_blk; + adp->arg_type = AT_BYREF; + adp->arg_inout = AI_INPUT; + adp->arg_size = rctlblk_size(); + } + + adp++; + adp->arg_value = 0; /* obufsz isn't used by setrctl() */ + adp->arg_object = NULL; + adp->arg_type = AT_BYVAL; + adp->arg_inout = AI_INPUT; + adp->arg_size = 0; + + adp++; + adp->arg_value = rflag; + adp->arg_object = NULL; + adp->arg_type = AT_BYVAL; + adp->arg_inout = AI_INPUT; + adp->arg_size = 0; + + error = Psyscall(Pr, &rval, SYS_rctlsys, 6, &argd[0]); + + if (error) { + errno = (error > 0) ? error : ENOSYS; + return (-1); + } + return (rval.sys_rval1); +} |