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https://github.com/servalproject/serval-dna.git
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65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
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/*
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Serval DNA native Operating System interface
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Copyright (C) 2012 Serval Project Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#ifndef __SERVALDNA_OS_H
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#define __SERVALDNA_OS_H
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/* All wall clock times in the Serval daemon are represented in milliseconds
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* since the Unix epoch. The gettime_ms() function uses gettimeofday(2) to
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* return this value when called. The time_ms_t typedef should be used
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* wherever this time value is handled or stored.
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*
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* This type could perfectly well be unsigned, but is defined as signed to
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* avoid the need to cast or define a special signed timedelta_ms_t type at **
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* (1):
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*
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* static time_ms_t then = 0;
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* time_ms_t now = gettime_ms();
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* time_ms_t ago = now - then; // ** (1)
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* if (then && ago < 0) {
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* ... time going backwards ...
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* } else {
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* ... time has advanced ...
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* then = now;
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* }
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*/
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typedef long long time_ms_t;
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time_ms_t gettime_ms();
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time_ms_t sleep_ms(time_ms_t milliseconds);
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/* bzero(3) is deprecated in favour of memset(3). */
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#define bzero(addr,len) memset((addr), 0, (len))
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/* OpenWRT libc doesn't have bcopy, but has memmove */
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#define bcopy(A,B,C) memmove(B,A,C)
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int mkdirs(const char *path, mode_t mode);
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int mkdirsn(const char *path, size_t len, mode_t mode);
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void srandomdev();
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int urandombytes(unsigned char *buf, unsigned long long len);
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#endif //__SERVALDNA_OS_H
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