Make musl support clock_adjtime

Author: pizlonator

projects/usermusl/src/linux/clock_adjtime.c

@@ -3,149 +3,7 @@
 #include <errno.h>
 #include "syscall.h"
 
-#define IS32BIT(x) !((x)+0x80000000ULL>>32)
-
-struct ktimex64 {
-	unsigned modes;
-	int :32;
-	long long offset, freq, maxerror, esterror;
-	int status;
-	int :32;
-	long long constant, precision, tolerance;
-	long long time_sec, time_usec;
-	long long tick, ppsfreq, jitter;
-	int shift;
-	int :32;
-	long long stabil, jitcnt, calcnt, errcnt, stbcnt;
-	int tai;
-	int __padding[11];
-};
-
-struct ktimex {
-	unsigned modes;
-	long offset, freq, maxerror, esterror;
-	int status;
-	long constant, precision, tolerance;
-	long time_sec, time_usec;
-	long tick, ppsfreq, jitter;
-	int shift;
-	long stabil, jitcnt, calcnt, errcnt, stbcnt;
-	int tai;
-	int __padding[11];
-};
-
 int clock_adjtime (clockid_t clock_id, struct timex *utx)
 {
-	int r = -ENOSYS;
-#ifdef SYS_clock_adjtime64
-	struct ktimex64 ktx = {
-		.modes = utx->modes,
-		.offset = utx->offset,
-		.freq = utx->freq,
-		.maxerror = utx->maxerror,
-		.esterror = utx->esterror,
-		.status = utx->status,
-		.constant = utx->constant,
-		.precision = utx->precision,
-		.tolerance = utx->tolerance,
-		.time_sec = utx->time.tv_sec,
-		.time_usec = utx->time.tv_usec,
-		.tick = utx->tick,
-		.ppsfreq = utx->ppsfreq,
-		.jitter = utx->jitter,
-		.shift = utx->shift,
-		.stabil = utx->stabil,
-		.jitcnt = utx->jitcnt,
-		.calcnt = utx->calcnt,
-		.errcnt = utx->errcnt,
-		.stbcnt = utx->stbcnt,
-		.tai = utx->tai,
-	};
-	r = __syscall(SYS_clock_adjtime64, clock_id, &ktx);
-	if (r>=0) {
-		utx->modes = ktx.modes;
-		utx->offset = ktx.offset;
-		utx->freq = ktx.freq;
-		utx->maxerror = ktx.maxerror;
-		utx->esterror = ktx.esterror;
-		utx->status = ktx.status;
-		utx->constant = ktx.constant;
-		utx->precision = ktx.precision;
-		utx->tolerance = ktx.tolerance;
-		utx->time.tv_sec = ktx.time_sec;
-		utx->time.tv_usec = ktx.time_usec;
-		utx->tick = ktx.tick;
-		utx->ppsfreq = ktx.ppsfreq;
-		utx->jitter = ktx.jitter;
-		utx->shift = ktx.shift;
-		utx->stabil = ktx.stabil;
-		utx->jitcnt = ktx.jitcnt;
-		utx->calcnt = ktx.calcnt;
-		utx->errcnt = ktx.errcnt;
-		utx->stbcnt = ktx.stbcnt;
-		utx->tai = ktx.tai;
-	}
-	if (SYS_clock_adjtime == SYS_clock_adjtime64 || r!=-ENOSYS)
-		return __syscall_ret(r);
-	if ((utx->modes & ADJ_SETOFFSET) && !IS32BIT(utx->time.tv_sec))
-		return __syscall_ret(-ENOTSUP);
-#endif
-	if (sizeof(time_t) > sizeof(long)) {
-		struct ktimex ktx = {
-			.modes = utx->modes,
-			.offset = utx->offset,
-			.freq = utx->freq,
-			.maxerror = utx->maxerror,
-			.esterror = utx->esterror,
-			.status = utx->status,
-			.constant = utx->constant,
-			.precision = utx->precision,
-			.tolerance = utx->tolerance,
-			.time_sec = utx->time.tv_sec,
-			.time_usec = utx->time.tv_usec,
-			.tick = utx->tick,
-			.ppsfreq = utx->ppsfreq,
-			.jitter = utx->jitter,
-			.shift = utx->shift,
-			.stabil = utx->stabil,
-			.jitcnt = utx->jitcnt,
-			.calcnt = utx->calcnt,
-			.errcnt = utx->errcnt,
-			.stbcnt = utx->stbcnt,
-			.tai = utx->tai,
-		};
-#ifdef SYS_adjtimex
-		if (clock_id==CLOCK_REALTIME) r = __syscall(SYS_adjtimex, &ktx);
-		else
-#endif
-		r = __syscall(SYS_clock_adjtime, clock_id, &ktx);
-		if (r>=0) {
-			utx->modes = ktx.modes;
-			utx->offset = ktx.offset;
-			utx->freq = ktx.freq;
-			utx->maxerror = ktx.maxerror;
-			utx->esterror = ktx.esterror;
-			utx->status = ktx.status;
-			utx->constant = ktx.constant;
-			utx->precision = ktx.precision;
-			utx->tolerance = ktx.tolerance;
-			utx->time.tv_sec = ktx.time_sec;
-			utx->time.tv_usec = ktx.time_usec;
-			utx->tick = ktx.tick;
-			utx->ppsfreq = ktx.ppsfreq;
-			utx->jitter = ktx.jitter;
-			utx->shift = ktx.shift;
-			utx->stabil = ktx.stabil;
-			utx->jitcnt = ktx.jitcnt;
-			utx->calcnt = ktx.calcnt;
-			utx->errcnt = ktx.errcnt;
-			utx->stbcnt = ktx.stbcnt;
-			utx->tai = ktx.tai;
-		}
-		return __syscall_ret(r);
-	}
-#ifdef SYS_adjtimex
-	if (clock_id==CLOCK_REALTIME) return syscall(SYS_adjtimex, utx);
-#endif
-	return syscall(SYS_clock_adjtime, clock_id, utx);
+        return zsys_clock_adjtime(clock_id, utx);
 }