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Date: Sun, 27 Dec 2020 18:41:02 +0000
From: Alexander Lobakin <alobakin@...me>
To: Rich Felker <dalias@...ifal.cx>, musl@...ts.openwall.com
Cc: Alexander Lobakin <alobakin@...me>
Subject: [PATCH 03/18] clock_adjtime: try adjtimex at last
Try to use deprecated adjtimex only after clock_adjtime_time64 or
clock_adjtime fail with -ENOSYS.
Signed-off-by: Alexander Lobakin <alobakin@...me>
---
src/linux/clock_adjtime.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/src/linux/clock_adjtime.c b/src/linux/clock_adjtime.c
index d4d03d24df40..5a21d5625e59 100644
--- a/src/linux/clock_adjtime.c
+++ b/src/linux/clock_adjtime.c
@@ -114,11 +114,11 @@ int clock_adjtime (clockid_t clock_id, struct timex *utx)
.stbcnt = utx->stbcnt,
.tai = utx->tai,
};
+ r = __syscall(SYS_clock_adjtime, clock_id, &ktx);
#ifdef SYS_adjtimex
- if (clock_id==CLOCK_REALTIME) r = __syscall(SYS_adjtimex, &ktx);
- else
+ if (r == -ENOSYS && clock_id == CLOCK_REALTIME)
+ r = __syscall(SYS_adjtimex, &ktx);
#endif
- r = __syscall(SYS_clock_adjtime, clock_id, &ktx);
if (r>=0) {
utx->modes = ktx.modes;
utx->offset = ktx.offset;
@@ -144,8 +144,10 @@ int clock_adjtime (clockid_t clock_id, struct timex *utx)
}
return __syscall_ret(r);
}
+ r = __syscall(SYS_clock_adjtime, clock_id, utx);
#ifdef SYS_adjtimex
- if (clock_id==CLOCK_REALTIME) return syscall(SYS_adjtimex, utx);
+ if (r == -ENOSYS && clock_id == CLOCK_REALTIME)
+ r = __syscall(SYS_adjtimex, utx);
#endif
- return syscall(SYS_clock_adjtime, clock_id, utx);
+ return __syscall_ret(r);
}
--
2.29.2
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