New upstream version 3.1.0upstream/3.1.0

8 files changed, 332 insertions, 0 deletions

diff --git a/generic/gettime.c b/generic/gettime.c
new file mode 100644
index 0000000..af06ef3
--- /dev/null
+++ b/generic/gettime.c
@@ -0,0 +1,57 @@
+/*
+htop - generic/gettime.c
+(C) 2021 htop dev team
+Released under the GNU GPLv2, see the COPYING file
+in the source distribution for its full text.
+*/
+#include "config.h"  // IWYU pragma: keep
+
+#include "generic/gettime.h"
+
+#include <string.h>
+#include <time.h>
+
+
+void Generic_gettime_realtime(struct timeval* tvp, uint64_t* msec) {
+
+#if defined(HAVE_CLOCK_GETTIME)
+
+   struct timespec ts;
+   if (clock_gettime(CLOCK_REALTIME, &ts) == 0) {
+      tvp->tv_sec = ts.tv_sec;
+      tvp->tv_usec = ts.tv_nsec / 1000;
+      *msec = ((uint64_t)ts.tv_sec * 1000) + ((uint64_t)ts.tv_nsec / 1000000);
+   } else {
+      memset(tvp, 0, sizeof(struct timeval));
+      *msec = 0;
+   }
+
+#else /* lower resolution gettimeofday(2) is always available */
+
+   struct timeval tv;
+   if (gettimeofday(&tv, NULL) == 0) {
+      *tvp = tv; /* struct copy */
+      *msec = ((uint64_t)tv.tv_sec * 1000) + ((uint64_t)tv.tv_usec / 1000);
+   } else {
+      memset(tvp, 0, sizeof(struct timeval));
+      *msec = 0;
+   }
+
+#endif
+}
+
+void Generic_gettime_monotonic(uint64_t* msec) {
+#if defined(HAVE_CLOCK_GETTIME)
+
+   struct timespec ts;
+   if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
+      *msec = ((uint64_t)ts.tv_sec * 1000) + ((uint64_t)ts.tv_nsec / 1000000);
+   else
+      *msec = 0;
+
+#else
+
+# error "No monotonic clock available"
+
+#endif
+}
diff --git a/generic/gettime.h b/generic/gettime.h
new file mode 100644
index 0000000..c124d03
--- /dev/null
+++ b/generic/gettime.h
@@ -0,0 +1,18 @@
+#ifndef HEADER_gettime
+#define HEADER_gettime
+/*
+htop - generic/gettime.h
+(C) 2021 htop dev team
+Released under the GNU GPLv2, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include <stdint.h>
+#include <sys/time.h>
+
+
+void Generic_gettime_realtime(struct timeval* tvp, uint64_t* msec);
+
+void Generic_gettime_monotonic(uint64_t* msec);
+
+#endif
diff --git a/generic/hostname.c b/generic/hostname.c
new file mode 100644
index 0000000..2e3d5c3
--- /dev/null
+++ b/generic/hostname.c
@@ -0,0 +1,17 @@
+/*
+htop - generic/hostname.c
+(C) 2021 htop dev team
+Released under the GNU GPLv2, see the COPYING file
+in the source distribution for its full text.
+*/
+#include "config.h"  // IWYU pragma: keep
+
+#include "generic/hostname.h"
+
+#include <unistd.h>
+
+
+void Generic_hostname(char* buffer, size_t size) {
+   gethostname(buffer, size - 1);
+   buffer[size - 1] = '\0';
+}
diff --git a/generic/hostname.h b/generic/hostname.h
new file mode 100644
index 0000000..32f0c46
--- /dev/null
+++ b/generic/hostname.h
@@ -0,0 +1,15 @@
+#ifndef HEADER_hostname
+#define HEADER_hostname
+/*
+htop - generic/hostname.h
+(C) 2021 htop dev team
+Released under the GNU GPLv2, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include <stddef.h>
+
+
+void Generic_hostname(char* buffer, size_t size);
+
+#endif
diff --git a/generic/openzfs_sysctl.c b/generic/openzfs_sysctl.c
new file mode 100644
index 0000000..c7d79bc
--- /dev/null
+++ b/generic/openzfs_sysctl.c
@@ -0,0 +1,98 @@
+/*
+htop - generic/openzfs_sysctl.c
+(C) 2014 Hisham H. Muhammad
+Released under the GNU GPLv2, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "generic/openzfs_sysctl.h"
+
+#include <stdlib.h>
+#include <sys/types.h> // IWYU pragma: keep
+#include <sys/sysctl.h> // needs <sys/types.h> for u_int with gcc
+
+#include "zfs/ZfsArcStats.h"
+
+
+static int MIB_kstat_zfs_misc_arcstats_size[5];
+static int MIB_kstat_zfs_misc_arcstats_c_max[5];
+static int MIB_kstat_zfs_misc_arcstats_mfu_size[5];
+static int MIB_kstat_zfs_misc_arcstats_mru_size[5];
+static int MIB_kstat_zfs_misc_arcstats_anon_size[5];
+static int MIB_kstat_zfs_misc_arcstats_hdr_size[5];
+static int MIB_kstat_zfs_misc_arcstats_other_size[5];
+static int MIB_kstat_zfs_misc_arcstats_compressed_size[5];
+static int MIB_kstat_zfs_misc_arcstats_uncompressed_size[5];
+
+void openzfs_sysctl_init(ZfsArcStats* stats) {
+   size_t len;
+   unsigned long long int arcSize;
+
+   len = sizeof(arcSize);
+   if (sysctlbyname("kstat.zfs.misc.arcstats.size", &arcSize, &len, NULL, 0) == 0 && arcSize != 0) {
+      stats->enabled = 1;
+
+      len = 5;
+      sysctlnametomib("kstat.zfs.misc.arcstats.size", MIB_kstat_zfs_misc_arcstats_size, &len);
+
+      sysctlnametomib("kstat.zfs.misc.arcstats.c_max", MIB_kstat_zfs_misc_arcstats_c_max, &len);
+      sysctlnametomib("kstat.zfs.misc.arcstats.mfu_size", MIB_kstat_zfs_misc_arcstats_mfu_size, &len);
+      sysctlnametomib("kstat.zfs.misc.arcstats.mru_size", MIB_kstat_zfs_misc_arcstats_mru_size, &len);
+      sysctlnametomib("kstat.zfs.misc.arcstats.anon_size", MIB_kstat_zfs_misc_arcstats_anon_size, &len);
+      sysctlnametomib("kstat.zfs.misc.arcstats.hdr_size", MIB_kstat_zfs_misc_arcstats_hdr_size, &len);
+      sysctlnametomib("kstat.zfs.misc.arcstats.other_size", MIB_kstat_zfs_misc_arcstats_other_size, &len);
+
+      if (sysctlnametomib("kstat.zfs.misc.arcstats.compressed_size", MIB_kstat_zfs_misc_arcstats_compressed_size, &len) == 0) {
+         stats->isCompressed = 1;
+         sysctlnametomib("kstat.zfs.misc.arcstats.uncompressed_size", MIB_kstat_zfs_misc_arcstats_uncompressed_size, &len);
+      } else {
+         stats->isCompressed = 0;
+      }
+   } else {
+      stats->enabled = 0;
+   }
+}
+
+void openzfs_sysctl_updateArcStats(ZfsArcStats* stats) {
+   size_t len;
+
+   if (stats->enabled) {
+      len = sizeof(stats->size);
+      sysctl(MIB_kstat_zfs_misc_arcstats_size, 5, &(stats->size), &len, NULL, 0);
+      stats->size /= 1024;
+
+      len = sizeof(stats->max);
+      sysctl(MIB_kstat_zfs_misc_arcstats_c_max, 5, &(stats->max), &len, NULL, 0);
+      stats->max /= 1024;
+
+      len = sizeof(stats->MFU);
+      sysctl(MIB_kstat_zfs_misc_arcstats_mfu_size, 5, &(stats->MFU), &len, NULL, 0);
+      stats->MFU /= 1024;
+
+      len = sizeof(stats->MRU);
+      sysctl(MIB_kstat_zfs_misc_arcstats_mru_size, 5, &(stats->MRU), &len, NULL, 0);
+      stats->MRU /= 1024;
+
+      len = sizeof(stats->anon);
+      sysctl(MIB_kstat_zfs_misc_arcstats_anon_size, 5, &(stats->anon), &len, NULL, 0);
+      stats->anon /= 1024;
+
+      len = sizeof(stats->header);
+      sysctl(MIB_kstat_zfs_misc_arcstats_hdr_size, 5, &(stats->header), &len, NULL, 0);
+      stats->header /= 1024;
+
+      len = sizeof(stats->other);
+      sysctl(MIB_kstat_zfs_misc_arcstats_other_size, 5, &(stats->other), &len, NULL, 0);
+      stats->other /= 1024;
+
+      if (stats->isCompressed) {
+         len = sizeof(stats->compressed);
+         sysctl(MIB_kstat_zfs_misc_arcstats_compressed_size, 5, &(stats->compressed), &len, NULL, 0);
+         stats->compressed /= 1024;
+
+         len = sizeof(stats->uncompressed);
+         sysctl(MIB_kstat_zfs_misc_arcstats_uncompressed_size, 5, &(stats->uncompressed), &len, NULL, 0);
+         stats->uncompressed /= 1024;
+      }
+   }
+}
diff --git a/generic/openzfs_sysctl.h b/generic/openzfs_sysctl.h
new file mode 100644
index 0000000..dab1305
--- /dev/null
+++ b/generic/openzfs_sysctl.h
@@ -0,0 +1,17 @@
+#ifndef HEADER_openzfs_sysctl
+#define HEADER_openzfs_sysctl
+/*
+htop - generic/openzfs_sysctl.h
+(C) 2014 Hisham H. Muhammad
+Released under the GNU GPLv2, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "zfs/ZfsArcStats.h"
+
+
+void openzfs_sysctl_init(ZfsArcStats* stats);
+
+void openzfs_sysctl_updateArcStats(ZfsArcStats* stats);
+
+#endif
diff --git a/generic/uname.c b/generic/uname.c
new file mode 100644
index 0000000..9263d82
--- /dev/null
+++ b/generic/uname.c
@@ -0,0 +1,98 @@
+/*
+htop - generic/uname.c
+(C) 2021 htop dev team
+Released under the GNU GPLv2, see the COPYING file
+in the source distribution for its full text.
+*/
+#include "config.h"  // IWYU pragma: keep
+
+#include "generic/uname.h"
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "Macros.h"
+#include "XUtils.h"
+
+#ifdef HAVE_SYS_UTSNAME_H
+#include <sys/utsname.h>
+#endif
+
+
+#ifndef OSRELEASEFILE
+#define OSRELEASEFILE "/etc/os-release"
+#endif
+
+static void parseOSRelease(char* buffer, size_t bufferLen) {
+   FILE* stream = fopen(OSRELEASEFILE, "r");
+   if (!stream) {
+      xSnprintf(buffer, bufferLen, "No OS Release");
+      return;
+   }
+
+   char name[64] = {'\0'};
+   char version[64] = {'\0'};
+   char lineBuffer[256];
+   while (fgets(lineBuffer, sizeof(lineBuffer), stream)) {
+      if (String_startsWith(lineBuffer, "PRETTY_NAME=\"")) {
+         const char* start = lineBuffer + strlen("PRETTY_NAME=\"");
+         const char* stop = strrchr(lineBuffer, '"');
+         if (!stop || stop <= start)
+            continue;
+         String_safeStrncpy(buffer, start, MINIMUM(bufferLen, (size_t)(stop - start + 1)));
+         fclose(stream);
+         return;
+      }
+      if (String_startsWith(lineBuffer, "NAME=\"")) {
+         const char* start = lineBuffer + strlen("NAME=\"");
+         const char* stop = strrchr(lineBuffer, '"');
+         if (!stop || stop <= start)
+            continue;
+         String_safeStrncpy(name, start, MINIMUM(sizeof(name), (size_t)(stop - start + 1)));
+         continue;
+      }
+      if (String_startsWith(lineBuffer, "VERSION=\"")) {
+         const char* start = lineBuffer + strlen("VERSION=\"");
+         const char* stop = strrchr(lineBuffer, '"');
+         if (!stop || stop <= start)
+            continue;
+         String_safeStrncpy(version, start, MINIMUM(sizeof(version), (size_t)(stop - start + 1)));
+         continue;
+      }
+   }
+   fclose(stream);
+
+   snprintf(buffer, bufferLen, "%s%s%s", name[0] ? name : "", name[0] && version[0] ? " " : "", version);
+}
+
+char* Generic_uname(void) {
+   static char savedString[
+      /* uname structure fields - manpages recommend sizeof */
+      sizeof(((struct utsname*)0)->sysname) +
+      sizeof(((struct utsname*)0)->release) +
+      sizeof(((struct utsname*)0)->machine) +
+      16/*markup*/ +
+      128/*distro*/] = {'\0'};
+   static bool loaded_data = false;
+
+   if (!loaded_data) {
+      struct utsname uname_info;
+      int uname_result = uname(&uname_info);
+
+      char distro[128];
+      parseOSRelease(distro, sizeof(distro));
+
+      if (uname_result == 0) {
+         size_t written = xSnprintf(savedString, sizeof(savedString), "%s %s [%s]", uname_info.sysname, uname_info.release, uname_info.machine);
+         if (!String_contains_i(savedString, distro) && sizeof(savedString) > written)
+            snprintf(savedString + written, sizeof(savedString) - written, " @ %s", distro);
+      } else {
+         snprintf(savedString, sizeof(savedString), "%s", distro);
+      }
+
+      loaded_data = true;
+   }
+
+   return savedString;
+}
diff --git a/generic/uname.h b/generic/uname.h
new file mode 100644
index 0000000..820d085
--- /dev/null
+++ b/generic/uname.h
@@ -0,0 +1,12 @@
+#ifndef HEADER_uname
+#define HEADER_uname
+/*
+htop - generic/uname.h
+(C) 2021 htop dev team
+Released under the GNU GPLv2, see the COPYING file
+in the source distribution for its full text.
+*/
+
+char* Generic_uname(void);
+
+#endif