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Diffstat (limited to 'third-party/libuv/src/unix/freebsd.c')
-rw-r--r--third-party/libuv/src/unix/freebsd.c425
1 files changed, 425 insertions, 0 deletions
diff --git a/third-party/libuv/src/unix/freebsd.c b/third-party/libuv/src/unix/freebsd.c
new file mode 100644
index 0000000000..dcae244bb1
--- /dev/null
+++ b/third-party/libuv/src/unix/freebsd.c
@@ -0,0 +1,425 @@
+/* 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 <ifaddrs.h>
+#include <net/if.h>
+#include <net/if_dl.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(uv_clocktype_t type) {
+ 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 == NULL || size == NULL)
+ return -EINVAL;
+
+#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))
+ return -errno;
+ *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))
+ return -errno;
+
+ 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))
+ return -errno;
+
+ 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;
+}
+
+
+int 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 0;
+}
+
+
+int 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 0;
+}
+
+
+int 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 0;
+
+error:
+ if (kd) kvm_close(kd);
+ return -EPERM;
+}
+
+
+int 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))
+ return -errno;
+
+ now = time(NULL);
+
+ *uptime = (double)(now - info.tv_sec);
+ return 0;
+}
+
+
+int 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))
+ return -errno;
+
+ size = sizeof(numcpus);
+ if (sysctlbyname("hw.ncpu", &numcpus, &size, NULL, 0))
+ return -errno;
+
+ *cpu_infos = malloc(numcpus * sizeof(**cpu_infos));
+ if (!(*cpu_infos))
+ return -ENOMEM;
+
+ *count = numcpus;
+
+ size = sizeof(cpuspeed);
+ if (sysctlbyname("hw.clockrate", &cpuspeed, &size, NULL, 0)) {
+ SAVE_ERRNO(free(*cpu_infos));
+ return -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)) {
+ SAVE_ERRNO(free(*cpu_infos));
+ return -errno;
+ }
+
+ size = maxcpus * CPUSTATES * sizeof(long);
+
+ cp_times = malloc(size);
+ if (cp_times == NULL) {
+ free(*cpu_infos);
+ return -ENOMEM;
+ }
+
+ if (sysctlbyname(cptimes_key, cp_times, &size, NULL, 0)) {
+ SAVE_ERRNO(free(cp_times));
+ SAVE_ERRNO(free(*cpu_infos));
+ return -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 0;
+}
+
+
+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);
+}
+
+
+int uv_interface_addresses(uv_interface_address_t** addresses, int* count) {
+ struct ifaddrs *addrs, *ent;
+ uv_interface_address_t* address;
+ int i;
+ struct sockaddr_dl *sa_addr;
+
+ if (getifaddrs(&addrs))
+ return -errno;
+
+ *count = 0;
+
+ /* Count the number of interfaces */
+ for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+ if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+ (ent->ifa_addr == NULL) ||
+ (ent->ifa_addr->sa_family == AF_LINK)) {
+ continue;
+ }
+
+ (*count)++;
+ }
+
+ *addresses = malloc(*count * sizeof(**addresses));
+ if (!(*addresses))
+ return -ENOMEM;
+
+ address = *addresses;
+
+ for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+ if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)))
+ continue;
+
+ if (ent->ifa_addr == NULL)
+ continue;
+
+ /*
+ * On FreeBSD getifaddrs returns information related to the raw underlying
+ * devices. We're not interested in this information yet.
+ */
+ if (ent->ifa_addr->sa_family == AF_LINK)
+ continue;
+
+ address->name = strdup(ent->ifa_name);
+
+ if (ent->ifa_addr->sa_family == AF_INET6) {
+ address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr);
+ } else {
+ address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr);
+ }
+
+ if (ent->ifa_netmask->sa_family == AF_INET6) {
+ address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask);
+ } else {
+ address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask);
+ }
+
+ address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK);
+
+ address++;
+ }
+
+ /* Fill in physical addresses for each interface */
+ for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+ if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+ (ent->ifa_addr == NULL) ||
+ (ent->ifa_addr->sa_family != AF_LINK)) {
+ continue;
+ }
+
+ address = *addresses;
+
+ for (i = 0; i < (*count); i++) {
+ if (strcmp(address->name, ent->ifa_name) == 0) {
+ sa_addr = (struct sockaddr_dl*)(ent->ifa_addr);
+ memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr));
+ }
+ address++;
+ }
+ }
+
+ freeifaddrs(addrs);
+
+ return 0;
+}
+
+
+void uv_free_interface_addresses(uv_interface_address_t* addresses,
+ int count) {
+ int i;
+
+ for (i = 0; i < count; i++) {
+ free(addresses[i].name);
+ }
+
+ free(addresses);
+}
generated by cgit (git 2.34.1) at 2025-10-31 16:22:35 +0000