/deps/uv/src/unix/freebsd.c
C | 343 lines | 238 code | 80 blank | 25 comment | 27 complexity | 8f696da36ea2d248571135ef250d7693 MD5 | raw file
- /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
- #include "uv.h"
- #include "internal.h"
- #include <assert.h>
- #include <string.h>
- #include <errno.h>
- #include <kvm.h>
- #include <paths.h>
- #include <sys/user.h>
- #include <sys/types.h>
- #include <sys/resource.h>
- #include <sys/sysctl.h>
- #include <vm/vm_param.h> /* VM_LOADAVG */
- #include <time.h>
- #include <stdlib.h>
- #include <unistd.h> /* sysconf */
- #include <fcntl.h>
- #undef NANOSEC
- #define NANOSEC ((uint64_t) 1e9)
- #ifndef CPUSTATES
- # define CPUSTATES 5U
- #endif
- #ifndef CP_USER
- # define CP_USER 0
- # define CP_NICE 1
- # define CP_SYS 2
- # define CP_IDLE 3
- # define CP_INTR 4
- #endif
- static char *process_title;
- int uv__platform_loop_init(uv_loop_t* loop, int default_loop) {
- return uv__kqueue_init(loop);
- }
- void uv__platform_loop_delete(uv_loop_t* loop) {
- }
- uint64_t uv__hrtime(void) {
- struct timespec ts;
- clock_gettime(CLOCK_MONOTONIC, &ts);
- return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec);
- }
- int uv_exepath(char* buffer, size_t* size) {
- int mib[4];
- size_t cb;
- if (!buffer || !size) {
- return -1;
- }
- #ifdef __DragonFly__
- mib[0] = CTL_KERN;
- mib[1] = KERN_PROC;
- mib[2] = KERN_PROC_ARGS;
- mib[3] = getpid();
- #else
- mib[0] = CTL_KERN;
- mib[1] = KERN_PROC;
- mib[2] = KERN_PROC_PATHNAME;
- mib[3] = -1;
- #endif
- cb = *size;
- if (sysctl(mib, 4, buffer, &cb, NULL, 0) < 0) {
- *size = 0;
- return -1;
- }
- *size = strlen(buffer);
- return 0;
- }
- uint64_t uv_get_free_memory(void) {
- int freecount;
- size_t size = sizeof(freecount);
- if(sysctlbyname("vm.stats.vm.v_free_count",
- &freecount, &size, NULL, 0) == -1){
- return -1;
- }
- return (uint64_t) freecount * sysconf(_SC_PAGESIZE);
- }
- uint64_t uv_get_total_memory(void) {
- unsigned long info;
- int which[] = {CTL_HW, HW_PHYSMEM};
- size_t size = sizeof(info);
- if (sysctl(which, 2, &info, &size, NULL, 0) < 0) {
- return -1;
- }
- return (uint64_t) info;
- }
- void uv_loadavg(double avg[3]) {
- struct loadavg info;
- size_t size = sizeof(info);
- int which[] = {CTL_VM, VM_LOADAVG};
- if (sysctl(which, 2, &info, &size, NULL, 0) < 0) return;
- avg[0] = (double) info.ldavg[0] / info.fscale;
- avg[1] = (double) info.ldavg[1] / info.fscale;
- avg[2] = (double) info.ldavg[2] / info.fscale;
- }
- char** uv_setup_args(int argc, char** argv) {
- process_title = argc ? strdup(argv[0]) : NULL;
- return argv;
- }
- uv_err_t uv_set_process_title(const char* title) {
- int oid[4];
- if (process_title) free(process_title);
- process_title = strdup(title);
- oid[0] = CTL_KERN;
- oid[1] = KERN_PROC;
- oid[2] = KERN_PROC_ARGS;
- oid[3] = getpid();
- sysctl(oid,
- ARRAY_SIZE(oid),
- NULL,
- NULL,
- process_title,
- strlen(process_title) + 1);
- return uv_ok_;
- }
- uv_err_t uv_get_process_title(char* buffer, size_t size) {
- if (process_title) {
- strncpy(buffer, process_title, size);
- } else {
- if (size > 0) {
- buffer[0] = '\0';
- }
- }
- return uv_ok_;
- }
- uv_err_t uv_resident_set_memory(size_t* rss) {
- kvm_t *kd = NULL;
- struct kinfo_proc *kinfo = NULL;
- pid_t pid;
- int nprocs;
- size_t page_size = getpagesize();
- pid = getpid();
- kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open");
- if (kd == NULL) goto error;
- kinfo = kvm_getprocs(kd, KERN_PROC_PID, pid, &nprocs);
- if (kinfo == NULL) goto error;
- #ifdef __DragonFly__
- *rss = kinfo->kp_vm_rssize * page_size;
- #else
- *rss = kinfo->ki_rssize * page_size;
- #endif
- kvm_close(kd);
- return uv_ok_;
- error:
- if (kd) kvm_close(kd);
- return uv__new_sys_error(errno);
- }
- uv_err_t uv_uptime(double* uptime) {
- time_t now;
- struct timeval info;
- size_t size = sizeof(info);
- static int which[] = {CTL_KERN, KERN_BOOTTIME};
- if (sysctl(which, 2, &info, &size, NULL, 0) < 0) {
- return uv__new_sys_error(errno);
- }
- now = time(NULL);
- *uptime = (double)(now - info.tv_sec);
- return uv_ok_;
- }
- uv_err_t uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
- unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK),
- multiplier = ((uint64_t)1000L / ticks), cpuspeed, maxcpus,
- cur = 0;
- uv_cpu_info_t* cpu_info;
- const char* maxcpus_key;
- const char* cptimes_key;
- char model[512];
- long* cp_times;
- int numcpus;
- size_t size;
- int i;
- #if defined(__DragonFly__)
- /* This is not quite correct but DragonFlyBSD doesn't seem to have anything
- * comparable to kern.smp.maxcpus or kern.cp_times (kern.cp_time is a total,
- * not per CPU). At least this stops uv_cpu_info() from failing completely.
- */
- maxcpus_key = "hw.ncpu";
- cptimes_key = "kern.cp_time";
- #else
- maxcpus_key = "kern.smp.maxcpus";
- cptimes_key = "kern.cp_times";
- #endif
- size = sizeof(model);
- if (sysctlbyname("hw.model", &model, &size, NULL, 0) < 0) {
- return uv__new_sys_error(errno);
- }
- size = sizeof(numcpus);
- if (sysctlbyname("hw.ncpu", &numcpus, &size, NULL, 0) < 0) {
- return uv__new_sys_error(errno);
- }
- *cpu_infos = (uv_cpu_info_t*)malloc(numcpus * sizeof(uv_cpu_info_t));
- if (!(*cpu_infos)) {
- return uv__new_artificial_error(UV_ENOMEM);
- }
- *count = numcpus;
- size = sizeof(cpuspeed);
- if (sysctlbyname("hw.clockrate", &cpuspeed, &size, NULL, 0) < 0) {
- free(*cpu_infos);
- return uv__new_sys_error(errno);
- }
- /* kern.cp_times on FreeBSD i386 gives an array up to maxcpus instead of ncpu */
- size = sizeof(maxcpus);
- if (sysctlbyname(maxcpus_key, &maxcpus, &size, NULL, 0) < 0) {
- free(*cpu_infos);
- return uv__new_sys_error(errno);
- }
- size = maxcpus * CPUSTATES * sizeof(long);
- cp_times = malloc(size);
- if (cp_times == NULL) {
- free(*cpu_infos);
- return uv__new_sys_error(ENOMEM);
- }
- if (sysctlbyname(cptimes_key, cp_times, &size, NULL, 0) < 0) {
- free(cp_times);
- free(*cpu_infos);
- return uv__new_sys_error(errno);
- }
- for (i = 0; i < numcpus; i++) {
- cpu_info = &(*cpu_infos)[i];
-
- cpu_info->cpu_times.user = (uint64_t)(cp_times[CP_USER+cur]) * multiplier;
- cpu_info->cpu_times.nice = (uint64_t)(cp_times[CP_NICE+cur]) * multiplier;
- cpu_info->cpu_times.sys = (uint64_t)(cp_times[CP_SYS+cur]) * multiplier;
- cpu_info->cpu_times.idle = (uint64_t)(cp_times[CP_IDLE+cur]) * multiplier;
- cpu_info->cpu_times.irq = (uint64_t)(cp_times[CP_INTR+cur]) * multiplier;
- cpu_info->model = strdup(model);
- cpu_info->speed = cpuspeed;
- cur+=CPUSTATES;
- }
- free(cp_times);
- return uv_ok_;
- }
- void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) {
- int i;
- for (i = 0; i < count; i++) {
- free(cpu_infos[i].model);
- }
- free(cpu_infos);
- }
- uv_err_t uv_interface_addresses(uv_interface_address_t** addresses,
- int* count) {
- /* TODO: implement */
- *addresses = NULL;
- *count = 0;
- return uv_ok_;
- }
- void uv_free_interface_addresses(uv_interface_address_t* addresses,
- int count) {
- }