1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _LIBPCTX_H 28*0Sstevel@tonic-gate #define _LIBPCTX_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <sys/types.h> 33*0Sstevel@tonic-gate #include <fcntl.h> 34*0Sstevel@tonic-gate #include <stdarg.h> 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate /* 37*0Sstevel@tonic-gate * The process context library allows callers to use the facilities 38*0Sstevel@tonic-gate * of /proc to control processes in a simplified way by managing 39*0Sstevel@tonic-gate * the process via an event loop. The controlling process expresses 40*0Sstevel@tonic-gate * interest in various events which are handled as callbacks by the 41*0Sstevel@tonic-gate * library. 42*0Sstevel@tonic-gate */ 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate #ifdef __cplusplus 45*0Sstevel@tonic-gate extern "C" { 46*0Sstevel@tonic-gate #endif 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate typedef struct __pctx pctx_t; 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate /* 51*0Sstevel@tonic-gate * A vprintf-like error handling routine can be passed in for use 52*0Sstevel@tonic-gate * by more sophisticated callers. If specified as NULL, errors 53*0Sstevel@tonic-gate * are written to stderr. 54*0Sstevel@tonic-gate */ 55*0Sstevel@tonic-gate typedef void (pctx_errfn_t)(const char *fn, const char *fmt, va_list ap); 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate extern pctx_t *pctx_create(const char *filename, char *const *argv, 58*0Sstevel@tonic-gate void *arg, int verbose, pctx_errfn_t *errfn); 59*0Sstevel@tonic-gate extern pctx_t *pctx_capture(pid_t pid, 60*0Sstevel@tonic-gate void *arg, int verbose, pctx_errfn_t *errfn); 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate typedef int pctx_sysc_execfn_t(pctx_t *, pid_t, id_t, char *, void *); 63*0Sstevel@tonic-gate typedef void pctx_sysc_forkfn_t(pctx_t *, pid_t, id_t, pid_t, void *); 64*0Sstevel@tonic-gate typedef void pctx_sysc_exitfn_t(pctx_t *, pid_t, id_t, int, void *); 65*0Sstevel@tonic-gate typedef int pctx_sysc_lwp_createfn_t(pctx_t *, pid_t, id_t, void *); 66*0Sstevel@tonic-gate typedef int pctx_init_lwpfn_t(pctx_t *, pid_t, id_t, void *); 67*0Sstevel@tonic-gate typedef int pctx_fini_lwpfn_t(pctx_t *, pid_t, id_t, void *); 68*0Sstevel@tonic-gate typedef int pctx_sysc_lwp_exitfn_t(pctx_t *, pid_t, id_t, void *); 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate typedef enum { 71*0Sstevel@tonic-gate PCTX_NULL_EVENT = 0, 72*0Sstevel@tonic-gate PCTX_SYSC_EXEC_EVENT, 73*0Sstevel@tonic-gate PCTX_SYSC_FORK_EVENT, 74*0Sstevel@tonic-gate PCTX_SYSC_EXIT_EVENT, 75*0Sstevel@tonic-gate PCTX_SYSC_LWP_CREATE_EVENT, 76*0Sstevel@tonic-gate PCTX_INIT_LWP_EVENT, 77*0Sstevel@tonic-gate PCTX_FINI_LWP_EVENT, 78*0Sstevel@tonic-gate PCTX_SYSC_LWP_EXIT_EVENT 79*0Sstevel@tonic-gate } pctx_event_t; 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate extern int pctx_set_events(pctx_t *pctx, ...); 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate extern int pctx_run(pctx_t *pctx, uint_t msec, uint_t nsamples, 84*0Sstevel@tonic-gate int (*tick)(pctx_t *, pid_t, id_t, void *)); 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate extern void pctx_release(pctx_t *pctx); 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate /* 89*0Sstevel@tonic-gate * Implementation-private interfaces used by libcpc. 90*0Sstevel@tonic-gate */ 91*0Sstevel@tonic-gate struct __cpc; 92*0Sstevel@tonic-gate extern int __pctx_cpc(pctx_t *, struct __cpc *, int, id_t, 93*0Sstevel@tonic-gate void *, void *, void *, int); 94*0Sstevel@tonic-gate extern void __pctx_cpc_register_callback(void (*)(struct __cpc *, 95*0Sstevel@tonic-gate struct __pctx *)); 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate #ifdef __cplusplus 98*0Sstevel@tonic-gate } 99*0Sstevel@tonic-gate #endif 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate #endif /* _LIBPCTX_H */ 102