114 lines
2.8 KiB
C
114 lines
2.8 KiB
C
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "uv.h"
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#include <assert.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#include <unistd.h>
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#include <time.h>
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#undef NANOSEC
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#define NANOSEC 1000000000
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uint64_t uv_hrtime(void) {
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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return (ts.tv_sec * NANOSEC + ts.tv_nsec);
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}
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int uv_exepath(char* buffer, size_t* size) {
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uint32_t usize;
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int result;
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char* path;
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char* fullpath;
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int mib[4];
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size_t cb;
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pid_t mypid;
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if (!buffer || !size) {
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return -1;
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}
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mypid = getpid();
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mib[0] = CTL_KERN;
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mib[1] = KERN_PROC_ARGS;
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mib[2] = mypid;
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mib[3] = KERN_PROC_ARGV;
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cb = *size;
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if (sysctl(mib, 4, buffer, &cb, NULL, 0) < 0) {
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*size = 0;
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return -1;
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}
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*size = strlen(buffer);
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return 0;
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}
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double uv_get_free_memory(void) {
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struct uvmexp info;
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size_t size = sizeof(info);
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int which[] = {CTL_VM, VM_UVMEXP};
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if (sysctl(which, 2, &info, &size, NULL, 0) < 0) {
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return -1;
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}
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return (double) info.free * psysconf(_SC_PAGESIZE);
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}
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double uv_get_total_memory(void) {
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#if defined(HW_PHYSMEM64)
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uint64_t info;
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int which[] = {CTL_HW, HW_PHYSMEM64};
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#else
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unsigned int info;
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int which[] = {CTL_HW, HW_PHYSMEM};
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#endif
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size_t size = sizeof(info);
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if (sysctl(which, 2, &info, &size, NULL, 0) < 0) {
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return -1;
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}
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return (double) info;
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}
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int uv_fs_event_init(uv_loop_t* loop,
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uv_fs_event_t* handle,
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const char* filename,
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uv_fs_event_cb cb) {
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uv__set_sys_error(loop, ENOSYS);
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return -1;
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}
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void uv__fs_event_destroy(uv_fs_event_t* handle) {
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assert(0 && "implement me");
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}
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