src/solaris/native/sun/management/OperatingSystemImpl.c

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rev 8822 : 8024854: PPC64: Basic changes and files to build the class library on AIX
Reviewed-by: alanb, prr, sla, chegar, michaelm, mullan, art
Contributed-by: luchsh@linux.vnet.ibm.com, spoole@linux.vnet.ibm.com, thomas.stuefe@sap.com
   1 /*
   2  * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  24  */
  25 
  26 #include "jni.h"
  27 #include "jni_util.h"
  28 #include "jlong.h"
  29 #include "jvm.h"
  30 #include "management.h"
  31 #include "sun_management_OperatingSystemImpl.h"
  32 
  33 #include <sys/types.h>
  34 #include <sys/stat.h>
  35 #if defined(_ALLBSD_SOURCE)
  36 #include <sys/sysctl.h>
  37 #ifdef __APPLE__
  38 #include <sys/param.h>
  39 #include <sys/mount.h>
  40 #include <mach/mach.h>
  41 #include <sys/proc_info.h>
  42 #include <libproc.h>
  43 #endif
  44 #else
  45 #include <sys/swap.h>
  46 #endif
  47 #include <sys/resource.h>
  48 #include <sys/times.h>
  49 #ifndef _ALLBSD_SOURCE
  50 #include <sys/sysinfo.h>
  51 #endif
  52 #include <ctype.h>
  53 #include <dirent.h>
  54 #include <errno.h>
  55 #include <fcntl.h>
  56 #include <limits.h>
  57 #include <stdlib.h>
  58 #include <unistd.h>
  59 




  60 static jlong page_size = 0;
  61 
  62 #if defined(_ALLBSD_SOURCE)
  63 #define MB      (1024UL * 1024UL)
  64 #else
  65 
  66 /* This gets us the new structured proc interfaces of 5.6 & later */
  67 /* - see comment in <sys/procfs.h> */
  68 #define _STRUCTURED_PROC 1
  69 #include <sys/procfs.h>
  70 
  71 #endif /* _ALLBSD_SOURCE */
  72 
  73 static struct dirent* read_dir(DIR* dirp, struct dirent* entry) {
  74 #ifdef __solaris__
  75     struct dirent* dbuf = readdir(dirp);
  76     return dbuf;
  77 #else /* __linux__ || _ALLBSD_SOURCE */
  78     struct dirent* p;
  79     if (readdir_r(dirp, entry, &p) == 0) {
  80         return p;
  81     } else {
  82         return NULL;


 309   (JNIEnv *env, jobject mbean)
 310 {
 311 #ifdef __APPLE__
 312     mach_msg_type_number_t count;
 313     vm_statistics_data_t vm_stats;
 314     kern_return_t res;
 315 
 316     count = HOST_VM_INFO_COUNT;
 317     res = host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&vm_stats, &count);
 318     if (res != KERN_SUCCESS) {
 319         throw_internal_error(env, "host_statistics failed");
 320         return -1;
 321     }
 322     return (jlong)vm_stats.free_count * page_size;
 323 #elif defined(_ALLBSD_SOURCE)
 324     /*
 325      * XXBSDL no way to do it in FreeBSD
 326      */
 327     // throw_internal_error(env, "unimplemented in FreeBSD")
 328     return (128 * MB);






 329 #else // solaris / linux
 330     jlong num_avail_physical_pages = sysconf(_SC_AVPHYS_PAGES);
 331     return (num_avail_physical_pages * page_size);
 332 #endif
 333 }
 334 
 335 JNIEXPORT jlong JNICALL
 336 Java_sun_management_OperatingSystemImpl_getTotalPhysicalMemorySize
 337   (JNIEnv *env, jobject mbean)
 338 {
 339 #ifdef _ALLBSD_SOURCE
 340     jlong result = 0;
 341     int mib[2];
 342     size_t rlen;
 343 
 344     mib[0] = CTL_HW;
 345     mib[1] = HW_MEMSIZE;
 346     rlen = sizeof(result);
 347     if (sysctl(mib, 2, &result, &rlen, NULL, 0) != 0) {
 348         throw_internal_error(env, "sysctl failed");
 349         return -1;
 350     }
 351     return result;






 352 #else // solaris / linux
 353     jlong num_physical_pages = sysconf(_SC_PHYS_PAGES);
 354     return (num_physical_pages * page_size);
 355 #endif
 356 }
 357 
 358 
 359 
 360 JNIEXPORT jlong JNICALL
 361 Java_sun_management_OperatingSystemImpl_getOpenFileDescriptorCount
 362   (JNIEnv *env, jobject mbean)
 363 {
 364 #ifdef __APPLE__
 365     // This code is influenced by the darwin lsof source
 366     pid_t my_pid;
 367     struct proc_bsdinfo bsdinfo;
 368     struct proc_fdinfo *fds;
 369     int nfiles;
 370     kern_return_t kres;
 371     int res;


   1 /*
   2  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  24  */
  25 
  26 #include "jni.h"
  27 #include "jni_util.h"
  28 #include "jlong.h"
  29 #include "jvm.h"
  30 #include "management.h"
  31 #include "sun_management_OperatingSystemImpl.h"
  32 
  33 #include <sys/types.h>
  34 #include <sys/stat.h>
  35 #if defined(_ALLBSD_SOURCE)
  36 #include <sys/sysctl.h>
  37 #ifdef __APPLE__
  38 #include <sys/param.h>
  39 #include <sys/mount.h>
  40 #include <mach/mach.h>
  41 #include <sys/proc_info.h>
  42 #include <libproc.h>
  43 #endif
  44 #elif !defined(_AIX)
  45 #include <sys/swap.h>
  46 #endif
  47 #include <sys/resource.h>
  48 #include <sys/times.h>
  49 #ifndef _ALLBSD_SOURCE
  50 #include <sys/sysinfo.h>
  51 #endif
  52 #include <ctype.h>
  53 #include <dirent.h>
  54 #include <errno.h>
  55 #include <fcntl.h>
  56 #include <limits.h>
  57 #include <stdlib.h>
  58 #include <unistd.h>
  59 
  60 #if defined(_AIX)
  61 #include <libperfstat.h>
  62 #endif
  63 
  64 static jlong page_size = 0;
  65 
  66 #if defined(_ALLBSD_SOURCE) || defined(_AIX)
  67 #define MB      (1024UL * 1024UL)
  68 #else
  69 
  70 /* This gets us the new structured proc interfaces of 5.6 & later */
  71 /* - see comment in <sys/procfs.h> */
  72 #define _STRUCTURED_PROC 1
  73 #include <sys/procfs.h>
  74 
  75 #endif /* _ALLBSD_SOURCE */
  76 
  77 static struct dirent* read_dir(DIR* dirp, struct dirent* entry) {
  78 #ifdef __solaris__
  79     struct dirent* dbuf = readdir(dirp);
  80     return dbuf;
  81 #else /* __linux__ || _ALLBSD_SOURCE */
  82     struct dirent* p;
  83     if (readdir_r(dirp, entry, &p) == 0) {
  84         return p;
  85     } else {
  86         return NULL;


 313   (JNIEnv *env, jobject mbean)
 314 {
 315 #ifdef __APPLE__
 316     mach_msg_type_number_t count;
 317     vm_statistics_data_t vm_stats;
 318     kern_return_t res;
 319 
 320     count = HOST_VM_INFO_COUNT;
 321     res = host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&vm_stats, &count);
 322     if (res != KERN_SUCCESS) {
 323         throw_internal_error(env, "host_statistics failed");
 324         return -1;
 325     }
 326     return (jlong)vm_stats.free_count * page_size;
 327 #elif defined(_ALLBSD_SOURCE)
 328     /*
 329      * XXBSDL no way to do it in FreeBSD
 330      */
 331     // throw_internal_error(env, "unimplemented in FreeBSD")
 332     return (128 * MB);
 333 #elif defined(_AIX)
 334     perfstat_memory_total_t memory_info;
 335     if (-1 != perfstat_memory_total(NULL, &memory_info, sizeof(perfstat_memory_total_t), 1)) {
 336         return (jlong)(memory_info.real_free * 4L * 1024L);
 337     }
 338     return -1;
 339 #else // solaris / linux
 340     jlong num_avail_physical_pages = sysconf(_SC_AVPHYS_PAGES);
 341     return (num_avail_physical_pages * page_size);
 342 #endif
 343 }
 344 
 345 JNIEXPORT jlong JNICALL
 346 Java_sun_management_OperatingSystemImpl_getTotalPhysicalMemorySize
 347   (JNIEnv *env, jobject mbean)
 348 {
 349 #ifdef _ALLBSD_SOURCE
 350     jlong result = 0;
 351     int mib[2];
 352     size_t rlen;
 353 
 354     mib[0] = CTL_HW;
 355     mib[1] = HW_MEMSIZE;
 356     rlen = sizeof(result);
 357     if (sysctl(mib, 2, &result, &rlen, NULL, 0) != 0) {
 358         throw_internal_error(env, "sysctl failed");
 359         return -1;
 360     }
 361     return result;
 362 #elif defined(_AIX)
 363     perfstat_memory_total_t memory_info;
 364     if (-1 != perfstat_memory_total(NULL, &memory_info, sizeof(perfstat_memory_total_t), 1)) {
 365         return (jlong)(memory_info.real_total * 4L * 1024L);
 366     }
 367     return -1;
 368 #else // solaris / linux
 369     jlong num_physical_pages = sysconf(_SC_PHYS_PAGES);
 370     return (num_physical_pages * page_size);
 371 #endif
 372 }
 373 
 374 
 375 
 376 JNIEXPORT jlong JNICALL
 377 Java_sun_management_OperatingSystemImpl_getOpenFileDescriptorCount
 378   (JNIEnv *env, jobject mbean)
 379 {
 380 #ifdef __APPLE__
 381     // This code is influenced by the darwin lsof source
 382     pid_t my_pid;
 383     struct proc_bsdinfo bsdinfo;
 384     struct proc_fdinfo *fds;
 385     int nfiles;
 386     kern_return_t kres;
 387     int res;