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|
$FreeBSD$
--- ../../j2se/src/solaris/native/com/sun/management/UnixOperatingSystem_md.c 8 Mar 2007 08:40:23 -0000 1.7
+++ ../../j2se/src/solaris/native/com/sun/management/UnixOperatingSystem_md.c 4 Jan 2008 05:12:56 -0000
@@ -16,6 +16,10 @@
#include <sys/stat.h>
#if defined(_ALLBSD_SOURCE)
#include <sys/sysctl.h>
+#if defined(__FreeBSD__)
+#include <vm/vm_param.h>
+#include <sys/time.h>
+#endif
#else
#include <sys/swap.h>
#endif
@@ -133,11 +137,35 @@
return available ? avail : total;
#else /* _ALLBSD_SOURCE */
+#if defined(__FreeBSD__) && __FreeBSD__ >= 6
+ struct xswdev xsw;
+ size_t mibsize, size;
+ int mib[16], n;
+ jlong total = 0, used = 0;
+
+ mibsize = sizeof mib / sizeof mib[0];
+ if (sysctlnametomib("vm.swap_info", mib, &mibsize) == -1) {
+ throw_internal_error(env, "sysctl failed to get swap size");
+ }
+ for (n = 0; ; ++n) {
+ mib[mibsize] = n;
+ size = sizeof xsw;
+ if (sysctl(mib, mibsize + 1, &xsw, &size, NULL, 0) == -1)
+ break;
+ used += xsw.xsw_used;
+ total += xsw.xsw_nblks;
+ }
+ if (errno != ENOENT) {
+ fprintf(stderr, "sysctl failed to get swap size");
+ }
+
+ return ((jlong) page_size) * (available ? (total - used) : total);
+#endif
/*
* XXXBSD: there's no way available to get swap info in
* FreeBSD. Usage of libkvm is not an option here
*/
- // throw_internal_error(env, "Unimplemented in FreeBSD");
+ // throw_internal_error(env, "Unimplemented in this version of BSD");
return (0);
#endif
}
@@ -225,17 +253,25 @@
Java_com_sun_management_UnixOperatingSystem_getProcessCpuTime
(JNIEnv *env, jobject mbean)
{
- jlong clk_tck, ns_per_clock_tick;
jlong cpu_time_ns;
+#if defined(_ALLBSD_SOURCE)
+ struct rusage time;
+ if (getrusage(RUSAGE_SELF, &time) == -1) {
+ throw_internal_error(env,
+ "getrusage failed - not able to get cpu time");
+ return -1;
+ }
+ cpu_time_ns = ((jlong) (1000 * 1000 * 1000)) *
+ ((jlong) (time.ru_utime.tv_sec + time.ru_stime.tv_sec));
+ cpu_time_ns += ((jlong) 1000) *
+ ((jlong) (time.ru_utime.tv_usec + time.ru_stime.tv_usec));
+#else
+ jlong clk_tck, ns_per_clock_tick;
struct tms time;
- /*
- * BSDNOTE: FreeBSD implements _SC_CLK_TCK since FreeBSD 5, so
- * add a magic to handle it
- */
#if defined(__solaris__) || defined(_SC_CLK_TCK)
clk_tck = (jlong) sysconf(_SC_CLK_TCK);
-#elif defined(__linux__) || defined(_ALLBSD_SOURCE)
+#elif defined(__linux__)
clk_tck = 100;
#endif
if (clk_tck == -1) {
@@ -248,6 +284,7 @@
ns_per_clock_tick = (jlong) 1000 * 1000 * 1000 / (jlong) clk_tck;
cpu_time_ns = ((jlong)time.tms_utime + (jlong) time.tms_stime) *
ns_per_clock_tick;
+#endif
return cpu_time_ns;
}
@@ -256,10 +293,20 @@
(JNIEnv *env, jobject mbean)
{
#ifdef _ALLBSD_SOURCE
+#if defined(__FreeBSD__) && __FreeBSD__ >= 6
+ int free_mem;
+ size_t len = sizeof free_mem;
+
+ if (sysctlbyname("vm.stats.vm.v_free_count", &free_mem, &len, NULL, 0) == -1) {
+ throw_internal_error(env, "Can't get free physical memory count.\n");
+ }
+
+ return ((jlong) page_size) * ((jlong) free_mem);
+#endif
/*
* XXXBSD: there's no way available to do it in FreeBSD, AFAIK.
*/
- // throw_internal_error(env, "Unimplemented in FreeBSD");
+ // throw_internal_error(env, "Unimplemented in this version of BSD");
return (128 * MB);
#else
jlong num_avail_physical_pages = sysconf(_SC_AVPHYS_PAGES);
@@ -272,7 +319,7 @@
(JNIEnv *env, jobject mbean)
{
#ifdef _ALLBSD_SOURCE
- jlong result;
+ unsigned long result;
int mib[2];
int rlen;
@@ -282,7 +329,7 @@
if (sysctl(mib, 2, &result, &rlen, NULL, 0) == -1)
result = 256 * MB;
- return (result);
+ return (jlong) result;
#else
jlong num_physical_pages = sysconf(_SC_PHYS_PAGES);
return (num_physical_pages * page_size);
@@ -294,20 +341,18 @@
(JNIEnv *env, jobject mbean)
{
#ifdef _ALLBSD_SOURCE
- /*
- * XXXBSD: there's no way available to do it in FreeBSD, AFAIK.
- */
- // throw_internal_error(env, "Unimplemented in FreeBSD");
- return (100);
-#else /* solaris/linux */
+#define FD_DIR "/dev/fd"
+#else
+#define FD_DIR "/proc/self/fd"
+#endif
DIR *dirp;
struct dirent dbuf;
struct dirent* dentp;
jlong fds = 0;
- dirp = opendir("/proc/self/fd");
+ dirp = opendir(FD_DIR);
if (dirp == NULL) {
- throw_internal_error(env, "Unable to open directory /proc/self/fd");
+ throw_internal_error(env, "Unable to open directory " FD_DIR);
return -1;
}
@@ -320,6 +365,13 @@
}
closedir(dirp);
+#ifdef _ALLBSD_SOURCE
+ /*
+ * Empirically this doesn't add an extra fd on BSD.
+ * I suspect this is a property of fdescfs(5).
+ */
+ return fds;
+#else
// subtract by 1 which was the fd open for this implementation
return (fds - 1);
#endif
|
