1 /**************************************************************************/
2 /* */
3 /* Copyright (c) Microsoft Corporation. All rights reserved. */
4 /* */
5 /* This software is licensed under the Microsoft Software License */
6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */
7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
8 /* and in the root directory of this software. */
9 /* */
10 /**************************************************************************/
11
12
13 /**************************************************************************/
14 /**************************************************************************/
15 /** */
16 /** POSIX wrapper for THREADX */
17 /** */
18 /** */
19 /** */
20 /**************************************************************************/
21 /**************************************************************************/
22
23 /* Include necessary system files. */
24
25 #include "tx_api.h" /* Threadx API */
26 #include "pthread.h" /* Posix API */
27 #include "px_int.h" /* Posix helper functions */
28
29
30 /**************************************************************************/
31 /* */
32 /* FUNCTION RELEASE */
33 /* */
34 /* clock_settime PORTABLE C */
35 /* 6.1.7 */
36 /* AUTHOR */
37 /* */
38 /* William E. Lamie, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This subroutine sets the internal Threadx timer tick variable */
43 /* to the time specificed in the tspec variable after conversion */
44 /* if tspec->tv_sec is 0 the clock with be set to the value of */
45 /* tspec->tv_nsec */
46 /* */
47 /* INPUT */
48 /* */
49 /* clockid_t, tspec */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* error code */
54 /* */
55 /* CALLS */
56 /* */
57 /* tx_time_set ThreadX function */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* Application Code */
62 /* */
63 /* RELEASE HISTORY */
64 /* */
65 /* DATE NAME DESCRIPTION */
66 /* */
67 /* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
68 /* */
69 /**************************************************************************/
clock_settime(clockid_t t,const struct timespec * tspec)70 INT clock_settime(clockid_t t, const struct timespec * tspec)
71 {
72 ULONG tx_time;
73
74 if(t==CLOCK_REALTIME)
75 {
76 tx_time=(ULONG)((tspec->tv_sec * CPU_TICKS_PER_SECOND) + (tspec->tv_nsec / NANOSECONDS_IN_CPU_TICK));
77 tx_time_set( tx_time);
78 return(OK);
79 }
80 else return(EINVAL);
81 }
82
