libprocstat.c (2ff020d3) | libprocstat.c (89358231) |
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1/*- 2 * Copyright (c) 2009 Stanislav Sedov <stas@FreeBSD.org> 3 * Copyright (c) 1988, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 128 unchanged lines hidden (view full) --- 137static int to_filestat_flags(int flags); 138static int procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst, 139 struct vnstat *vn, char *errbuf); 140static int procstat_get_vnode_info_sysctl(struct filestat *fst, 141 struct vnstat *vn, char *errbuf); 142static gid_t *procstat_getgroups_core(struct procstat_core *core, 143 unsigned int *count); 144static gid_t *procstat_getgroups_sysctl(pid_t pid, unsigned int *count); | 1/*- 2 * Copyright (c) 2009 Stanislav Sedov <stas@FreeBSD.org> 3 * Copyright (c) 1988, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 128 unchanged lines hidden (view full) --- 137static int to_filestat_flags(int flags); 138static int procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst, 139 struct vnstat *vn, char *errbuf); 140static int procstat_get_vnode_info_sysctl(struct filestat *fst, 141 struct vnstat *vn, char *errbuf); 142static gid_t *procstat_getgroups_core(struct procstat_core *core, 143 unsigned int *count); 144static gid_t *procstat_getgroups_sysctl(pid_t pid, unsigned int *count); |
145static struct kinfo_kstack *procstat_getkstack_sysctl(pid_t pid, 146 int *cntp); |
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145static int procstat_getpathname_core(struct procstat_core *core, 146 char *pathname, size_t maxlen); 147static int procstat_getpathname_sysctl(pid_t pid, char *pathname, 148 size_t maxlen); 149static int procstat_getrlimit_core(struct procstat_core *core, int which, 150 struct rlimit* rlimit); 151static int procstat_getrlimit_sysctl(pid_t pid, int which, 152 struct rlimit* rlimit); --- 1606 unchanged lines hidden (view full) --- 1759 *cntp = cnt; 1760 return (kiv); /* Caller must free() return value */ 1761} 1762 1763struct kinfo_vmentry * 1764procstat_getvmmap(struct procstat *procstat, struct kinfo_proc *kp, 1765 unsigned int *cntp) 1766{ | 147static int procstat_getpathname_core(struct procstat_core *core, 148 char *pathname, size_t maxlen); 149static int procstat_getpathname_sysctl(pid_t pid, char *pathname, 150 size_t maxlen); 151static int procstat_getrlimit_core(struct procstat_core *core, int which, 152 struct rlimit* rlimit); 153static int procstat_getrlimit_sysctl(pid_t pid, int which, 154 struct rlimit* rlimit); --- 1606 unchanged lines hidden (view full) --- 1761 *cntp = cnt; 1762 return (kiv); /* Caller must free() return value */ 1763} 1764 1765struct kinfo_vmentry * 1766procstat_getvmmap(struct procstat *procstat, struct kinfo_proc *kp, 1767 unsigned int *cntp) 1768{ |
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1767 switch(procstat->type) { 1768 case PROCSTAT_KVM: 1769 warnx("kvm method is not supported"); 1770 return (NULL); 1771 case PROCSTAT_SYSCTL: 1772 return (kinfo_getvmmap(kp->ki_pid, cntp)); 1773 case PROCSTAT_CORE: 1774 return (kinfo_getvmmap_core(procstat->core, cntp)); --- 447 unchanged lines hidden (view full) --- 2222} 2223 2224void 2225procstat_freeauxv(struct procstat *procstat __unused, Elf_Auxinfo *auxv) 2226{ 2227 2228 free(auxv); 2229} | 1770 switch(procstat->type) { 1771 case PROCSTAT_KVM: 1772 warnx("kvm method is not supported"); 1773 return (NULL); 1774 case PROCSTAT_SYSCTL: 1775 return (kinfo_getvmmap(kp->ki_pid, cntp)); 1776 case PROCSTAT_CORE: 1777 return (kinfo_getvmmap_core(procstat->core, cntp)); --- 447 unchanged lines hidden (view full) --- 2225} 2226 2227void 2228procstat_freeauxv(struct procstat *procstat __unused, Elf_Auxinfo *auxv) 2229{ 2230 2231 free(auxv); 2232} |
2233 2234static struct kinfo_kstack * 2235procstat_getkstack_sysctl(pid_t pid, int *cntp) 2236{ 2237 struct kinfo_kstack *kkstp; 2238 int error, name[4]; 2239 size_t len; 2240 2241 name[0] = CTL_KERN; 2242 name[1] = KERN_PROC; 2243 name[2] = KERN_PROC_KSTACK; 2244 name[3] = pid; 2245 2246 len = 0; 2247 error = sysctl(name, 4, NULL, &len, NULL, 0); 2248 if (error < 0 && errno != ESRCH && errno != EPERM && errno != ENOENT) { 2249 warn("sysctl: kern.proc.kstack: %d", pid); 2250 return (NULL); 2251 } 2252 if (error == -1 && errno == ENOENT) { 2253 warnx("sysctl: kern.proc.kstack unavailable" 2254 " (options DDB or options STACK required in kernel)"); 2255 return (NULL); 2256 } 2257 if (error == -1) 2258 return (NULL); 2259 kkstp = malloc(len); 2260 if (kkstp == NULL) { 2261 warn("malloc(%zu)", len); 2262 return (NULL); 2263 } 2264 if (sysctl(name, 4, kkstp, &len, NULL, 0) == -1) { 2265 warn("sysctl: kern.proc.pid: %d", pid); 2266 free(kkstp); 2267 return (NULL); 2268 } 2269 *cntp = len / sizeof(*kkstp); 2270 2271 return (kkstp); 2272} 2273 2274struct kinfo_kstack * 2275procstat_getkstack(struct procstat *procstat, struct kinfo_proc *kp, 2276 unsigned int *cntp) 2277{ 2278 switch(procstat->type) { 2279 case PROCSTAT_KVM: 2280 warnx("kvm method is not supported"); 2281 return (NULL); 2282 case PROCSTAT_SYSCTL: 2283 return (procstat_getkstack_sysctl(kp->ki_pid, cntp)); 2284 case PROCSTAT_CORE: 2285 warnx("core method is not supported"); 2286 return (NULL); 2287 default: 2288 warnx("unknown access method: %d", procstat->type); 2289 return (NULL); 2290 } 2291} 2292 2293void 2294procstat_freekstack(struct procstat *procstat __unused, 2295 struct kinfo_kstack *kkstp) 2296{ 2297 2298 free(kkstp); 2299} |
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