projects / wasi-libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 320054e8 | 1 | #include <sys/timex.h> |
| 79a9b408 DG |
2 | #include <time.h> |
| 3 | #include <errno.h> | |
| 320054e8 DG |
4 | #include "syscall.h" |
| 5 | ||
| 79a9b408 DG |
6 | #define IS32BIT(x) !((x)+0x80000000ULL>>32) |
| 7 | ||
| 8 | struct ktimex64 { | |
| 9 | unsigned modes; | |
| 10 | int :32; | |
| 11 | long long offset, freq, maxerror, esterror; | |
| 12 | int status; | |
| 13 | int :32; | |
| 14 | long long constant, precision, tolerance; | |
| 15 | long long time_sec, time_usec; | |
| 16 | long long tick, ppsfreq, jitter; | |
| 17 | int shift; | |
| 18 | int :32; | |
| 19 | long long stabil, jitcnt, calcnt, errcnt, stbcnt; | |
| 20 | int tai; | |
| 21 | int __padding[11]; | |
| 22 | }; | |
| 23 | ||
| 24 | struct ktimex { | |
| 25 | unsigned modes; | |
| 26 | long offset, freq, maxerror, esterror; | |
| 27 | int status; | |
| 28 | long constant, precision, tolerance; | |
| 29 | long time_sec, time_usec; | |
| 30 | long tick, ppsfreq, jitter; | |
| 31 | int shift; | |
| 32 | long stabil, jitcnt, calcnt, errcnt, stbcnt; | |
| 33 | int tai; | |
| 34 | int __padding[11]; | |
| 35 | }; | |
| 36 | ||
| 320054e8 DG |
37 | int clock_adjtime (clockid_t clock_id, struct timex *utx) |
| 38 | { | |
| 79a9b408 DG |
39 | int r = -ENOSYS; |
| 40 | #ifdef SYS_clock_adjtime64 | |
| 41 | if (SYS_clock_adjtime == SYS_clock_adjtime64 || | |
| 42 | (utx->modes & ADJ_SETOFFSET) && !IS32BIT(utx->time.tv_sec)) { | |
| 43 | struct ktimex64 ktx = { | |
| 44 | .modes = utx->modes, | |
| 45 | .offset = utx->offset, | |
| 46 | .freq = utx->freq, | |
| 47 | .maxerror = utx->maxerror, | |
| 48 | .esterror = utx->esterror, | |
| 49 | .status = utx->status, | |
| 50 | .constant = utx->constant, | |
| 51 | .precision = utx->precision, | |
| 52 | .tolerance = utx->tolerance, | |
| 53 | .time_sec = utx->time.tv_sec, | |
| 54 | .time_usec = utx->time.tv_usec, | |
| 55 | .tick = utx->tick, | |
| 56 | .ppsfreq = utx->ppsfreq, | |
| 57 | .jitter = utx->jitter, | |
| 58 | .shift = utx->shift, | |
| 59 | .stabil = utx->stabil, | |
| 60 | .jitcnt = utx->jitcnt, | |
| 61 | .calcnt = utx->calcnt, | |
| 62 | .errcnt = utx->errcnt, | |
| 63 | .stbcnt = utx->stbcnt, | |
| 64 | .tai = utx->tai, | |
| 65 | }; | |
| 66 | r = __syscall(SYS_clock_adjtime, clock_id, &ktx); | |
| 67 | if (r>=0) { | |
| 68 | utx->modes = ktx.modes; | |
| 69 | utx->offset = ktx.offset; | |
| 70 | utx->freq = ktx.freq; | |
| 71 | utx->maxerror = ktx.maxerror; | |
| 72 | utx->esterror = ktx.esterror; | |
| 73 | utx->status = ktx.status; | |
| 74 | utx->constant = ktx.constant; | |
| 75 | utx->precision = ktx.precision; | |
| 76 | utx->tolerance = ktx.tolerance; | |
| 77 | utx->time.tv_sec = ktx.time_sec; | |
| 78 | utx->time.tv_usec = ktx.time_usec; | |
| 79 | utx->tick = ktx.tick; | |
| 80 | utx->ppsfreq = ktx.ppsfreq; | |
| 81 | utx->jitter = ktx.jitter; | |
| 82 | utx->shift = ktx.shift; | |
| 83 | utx->stabil = ktx.stabil; | |
| 84 | utx->jitcnt = ktx.jitcnt; | |
| 85 | utx->calcnt = ktx.calcnt; | |
| 86 | utx->errcnt = ktx.errcnt; | |
| 87 | utx->stbcnt = ktx.stbcnt; | |
| 88 | utx->tai = ktx.tai; | |
| 89 | } | |
| 90 | } | |
| 91 | if (SYS_clock_adjtime == SYS_clock_adjtime64 || r!=-ENOSYS) | |
| 92 | return __syscall_ret(r); | |
| 93 | if ((utx->modes & ADJ_SETOFFSET) && !IS32BIT(utx->time.tv_sec)) | |
| 94 | return __syscall_ret(-ENOTSUP); | |
| 95 | #endif | |
| 96 | if (sizeof(time_t) > sizeof(long)) { | |
| 97 | union { | |
| 98 | struct timex utx; | |
| 99 | struct ktimex ktx; | |
| 100 | } u = { *utx }; | |
| 101 | u.ktx.time_sec = utx->time.tv_sec; | |
| 102 | u.ktx.time_usec = utx->time.tv_usec; | |
| 103 | #ifdef SYS_adjtimex | |
| 104 | if (clock_id==CLOCK_REALTIME) r = __syscall(SYS_adjtimex, &u); | |
| 105 | else | |
| 106 | #endif | |
| 107 | r = __syscall(SYS_clock_adjtime, clock_id, &u); | |
| 108 | if (r>=0) { | |
| 109 | *utx = u.utx; | |
| 110 | utx->time.tv_sec = u.ktx.time_sec; | |
| 111 | utx->time.tv_usec = u.ktx.time_usec; | |
| 112 | } | |
| 113 | return __syscall_ret(r); | |
| 114 | } | |
| 115 | #ifdef SYS_adjtimex | |
| 116 | if (clock_id==CLOCK_REALTIME) return syscall(SYS_adjtimex, utx); | |
| 117 | #endif | |
| 320054e8 DG |
118 | return syscall(SYS_clock_adjtime, clock_id, utx); |
| 119 | } |