-/*
+/**
+ * \file
* Copyright 2008-2011 Novell Inc
* Copyright 2011 Xamarin Inc
* Licensed under the MIT license. See LICENSE file in the project root for full license information.
#include <sched.h>
#endif
-#ifdef HOST_WIN32
-#include <windows.h>
-#include <process.h>
-#endif
-
#if defined(_POSIX_VERSION)
+#ifdef HAVE_SYS_ERRNO_H
#include <sys/errno.h>
+#endif
#include <sys/param.h>
#include <errno.h>
#ifdef HAVE_SYS_TYPES_H
#endif
#include <sys/resource.h>
#endif
+#if defined(__HAIKU__)
+#include <os/kernel/OS.h>
+#endif
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
#include <sys/proc.h>
#if defined(__APPLE__)
#define USE_SYSCTL 1
#endif
+#ifdef HAVE_SCHED_GETAFFINITY
+# ifndef GLIBC_HAS_CPU_COUNT
+static int
+CPU_COUNT(cpu_set_t *set)
+{
+ int i, count = 0;
+
+ for (int i = 0; i < CPU_SETSIZE; i++)
+ if (CPU_ISSET(i, set))
+ count++;
+ return count;
+}
+# endif
+#endif
+
/**
* mono_process_list:
- * @size: a pointer to a location where the size of the returned array is stored
- *
- * Return an array of pid values for the processes currently running on the system.
- * The size of the array is stored in @size.
+ * \param size a pointer to a location where the size of the returned array is stored
+ * \returns an array of pid values for the processes currently running on the system.
+ * The size of the array is stored in \p size.
*/
gpointer*
mono_process_list (int *size)
#ifdef KERN_PROC2
int mib [6];
size_t data_len = sizeof (struct kinfo_proc2) * 400;
- struct kinfo_proc2 *processes = malloc (data_len);
+ struct kinfo_proc2 *processes = g_malloc (data_len);
#else
int mib [4];
size_t data_len = sizeof (struct kinfo_proc) * 16;
res = sysctl (mib, 6, processes, &data_len, NULL, 0);
if (res < 0) {
- free (processes);
+ g_free (processes);
return NULL;
}
#else
res = sysctl (mib, 4, NULL, &data_len, NULL, 0);
if (res)
return NULL;
- processes = (struct kinfo_proc *) malloc (data_len);
+ processes = (struct kinfo_proc *) g_malloc (data_len);
res = sysctl (mib, 4, processes, &data_len, NULL, 0);
if (res < 0) {
- free (processes);
+ g_free (processes);
if (errno != ENOMEM)
return NULL;
limit --;
buf = (void **) g_realloc (buf, res * sizeof (void*));
for (i = 0; i < res; ++i)
buf [i] = GINT_TO_POINTER (processes [i].kinfo_pid_member);
- free (processes);
+ g_free (processes);
if (size)
*size = res;
return buf;
#elif defined(__HAIKU__)
- /* FIXME: Add back the code from 9185fcc305e43428d0f40f3ee37c8a405d41c9ae */
- g_assert_not_reached ();
- return NULL;
+ int32 cookie = 0;
+ int32 i = 0;
+ team_info ti;
+ system_info si;
+
+ get_system_info(&si);
+ void **buf = g_calloc(si.used_teams, sizeof(void*));
+
+ while (get_next_team_info(&cookie, &ti) == B_OK && i < si.used_teams) {
+ buf[i++] = GINT_TO_POINTER (ti.team);
+ }
+ *size = i;
+
+ return buf;
#else
const char *name;
void **buf = NULL;
char buf [256];
char *s;
FILE *f;
- int len = strlen (item);
+ size_t len = strlen (item);
g_snprintf (buf, sizeof (buf), "/proc/%d/status", pid);
f = fopen (buf, "r");
while (g_ascii_isspace (*s)) s++;
fclose (f);
len = strlen (s);
- strncpy (rbuf, s, MIN (len, blen));
+ memcpy (rbuf, s, MIN (len, blen));
rbuf [MIN (len, blen) - 1] = 0;
if (error)
*error = MONO_PROCESS_ERROR_NONE;
/**
* mono_process_get_name:
- * @pid: pid of the process
- * @buf: byte buffer where to store the name of the prcoess
- * @len: size of the buffer @buf
- *
- * Return the name of the process identified by @pid, storing it
- * inside @buf for a maximum of len bytes (including the terminating 0).
+ * \param pid pid of the process
+ * \param buf byte buffer where to store the name of the prcoess
+ * \param len size of the buffer \p buf
+ * \returns the name of the process identified by \p pid, storing it
+ * inside \p buf for a maximum of len bytes (including the terminating 0).
*/
char*
mono_process_get_name (gpointer pid, char *buf, int len)
memset (buf, 0, len);
if (sysctl_kinfo_proc (pid, &processi))
- strncpy (buf, processi.kinfo_name_member, len - 1);
+ memcpy (buf, processi.kinfo_name_member, len - 1);
return buf;
#else
char fname [128];
FILE *file;
char *p;
- int r;
+ size_t r;
sprintf (fname, "/proc/%d/cmdline", GPOINTER_TO_INT (pid));
buf [0] = 0;
file = fopen (fname, "r");
char buf [512];
char *s, *end;
FILE *f;
- int len, i;
+ size_t len;
+ int i;
gint64 value;
g_snprintf (buf, sizeof (buf), "/proc/%d/stat", pid);
/**
* mono_process_get_data:
- * @pid: pid of the process
- * @data: description of data to return
- *
- * Return a data item of a process like user time, memory use etc,
- * according to the @data argumet.
+ * \param pid pid of the process
+ * \param data description of data to return
+ * \returns a data item of a process like user time, memory use etc,
+ * according to the \p data argumet.
*/
gint64
mono_process_get_data_with_error (gpointer pid, MonoProcessData data, MonoProcessError *error)
return mono_process_get_data_with_error (pid, data, &error);
}
+#ifndef HOST_WIN32
int
mono_process_current_pid ()
{
#if defined(HAVE_UNISTD_H)
return (int) getpid ();
-#elif defined(HOST_WIN32)
- return (int) GetCurrentProcessId ();
#else
#error getpid
#endif
}
+#endif /* !HOST_WIN32 */
/**
* mono_cpu_count:
- *
- * Return the number of processors on the system.
+ * \returns the number of processors on the system.
*/
+#ifndef HOST_WIN32
int
mono_cpu_count (void)
{
-#ifdef HOST_WIN32
- SYSTEM_INFO info;
- GetSystemInfo (&info);
- return info.dwNumberOfProcessors;
-#else
#ifdef PLATFORM_ANDROID
/* Android tries really hard to save power by powering off CPUs on SMP phones which
* means the normal way to query cpu count returns a wrong value with userspace API.
return count;
}
#endif
-#endif /* HOST_WIN32 */
/* FIXME: warn */
return 1;
}
+#endif /* !HOST_WIN32 */
static void
get_cpu_times (int cpu_id, gint64 *user, gint64 *systemt, gint64 *irq, gint64 *sirq, gint64 *idle)
/**
* mono_cpu_get_data:
- * @cpu_id: processor number or -1 to get a summary of all the processors
- * @data: type of data to retrieve
- *
+ * \param cpu_id processor number or -1 to get a summary of all the processors
+ * \param data type of data to retrieve
* Get data about a processor on the system, like time spent in user space or idle time.
*/
gint64
* battery and performance reasons, shut down cores and
* lie about the number of active cores.
*/
+#ifndef HOST_WIN32
gint32
mono_cpu_usage (MonoCpuUsageState *prev)
{
gint32 cpu_usage = 0;
gint64 cpu_total_time;
gint64 cpu_busy_time;
-
-#ifndef HOST_WIN32
struct rusage resource_usage;
gint64 current_time;
gint64 kernel_time;
prev->user_time = user_time;
prev->current_time = current_time;
}
-#else
- guint64 idle_time;
- guint64 kernel_time;
- guint64 user_time;
-
- if (!GetSystemTimes ((FILETIME*) &idle_time, (FILETIME*) &kernel_time, (FILETIME*) &user_time)) {
- g_error ("GetSystemTimes() failed, error code is %d\n", GetLastError ());
- return -1;
- }
-
- cpu_total_time = (gint64)((user_time - (prev ? prev->user_time : 0)) + (kernel_time - (prev ? prev->kernel_time : 0)));
- cpu_busy_time = (gint64)(cpu_total_time - (idle_time - (prev ? prev->idle_time : 0)));
-
- if (prev) {
- prev->idle_time = idle_time;
- prev->kernel_time = kernel_time;
- prev->user_time = user_time;
- }
-#endif
if (cpu_total_time > 0 && cpu_busy_time > 0)
cpu_usage = (gint32)(cpu_busy_time * 100 / cpu_total_time);
return cpu_usage;
}
+#endif /* !HOST_WIN32 */
projects / mono.git / blobdiff