X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Ftime%2Fclock_gettime.c;h=ad5c09de9e79bcb684eac6ee08f253326584d9dc;hb=3bb6bd85808ace7b588d1c523bb7badfd9e72650;hp=dab09d50cfc49af32433caa890218301549aa220;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/time/clock_gettime.c b/src/time/clock_gettime.c
index dab09d50..ad5c09de 100644
--- a/src/time/clock_gettime.c
+++ b/src/time/clock_gettime.c
@@ -1,7 +1,33 @@
 #include <time.h>
+#include <errno.h>
+#include <stdint.h>
 #include "syscall.h"
+#include "libc.h"
 
-int clock_gettime(clockid_t clk, struct timespec *ts)
+static int sc_clock_gettime(clockid_t clk, struct timespec *ts)
 {
-	return syscall2(__NR_clock_gettime, clk, (long)ts);
+	int r = __syscall(SYS_clock_gettime, clk, ts);
+	if (!r) return r;
+	if (r == -ENOSYS) {
+		if (clk == CLOCK_REALTIME) {
+			__syscall(SYS_gettimeofday, clk, ts, 0);
+			ts->tv_nsec = (int)ts->tv_nsec * 1000;
+			return 0;
+		}
+		r = -EINVAL;
+	}
+	errno = -r;
+	return -1;
 }
+
+weak_alias(sc_clock_gettime, __vdso_clock_gettime);
+
+int (*__cgt)(clockid_t, struct timespec *) = __vdso_clock_gettime;
+
+int __clock_gettime(clockid_t clk, struct timespec *ts)
+{
+	/* Conditional is to make this work prior to dynamic linking */
+	return __cgt ? __cgt(clk, ts) : sc_clock_gettime(clk, ts);
+}
+
+weak_alias(__clock_gettime, clock_gettime);