libuv/src/unix/freebsd.c
2011-08-31 00:29:47 -07:00

66 lines
1.8 KiB
C

/* 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 <string.h>
#include <time.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#undef NANOSEC
#define NANOSEC 1000000000
uint64_t uv_hrtime(void) {
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return (ts.tv_sec * NANOSEC + ts.tv_nsec);
}
int uv_exepath(char* buffer, size_t* size) {
uint32_t usize;
int result;
char* path;
char* fullpath;
int mib[4];
size_t cb;
if (!buffer || !size) {
return -1;
}
mib[0] = CTL_KERN;
mib[1] = KERN_PROC;
mib[2] = KERN_PROC_PATHNAME;
mib[3] = -1;
cb = *size;
if (sysctl(mib, 4, buffer, &cb, NULL, 0) < 0) {
*size = 0;
return -1;
}
*size = strlen(buffer);
return 0;
}