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Diffstat (limited to 'sysdeps/unix/sysv/linux/clock.c')
-rw-r--r--sysdeps/unix/sysv/linux/clock.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/clock.c b/sysdeps/unix/sysv/linux/clock.c
index 372afdd149..52268c959c 100644
--- a/sysdeps/unix/sysv/linux/clock.c
+++ b/sysdeps/unix/sysv/linux/clock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1996, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -27,8 +27,14 @@ clock (void)
struct tms buf;
long clk_tck = __sysconf (_SC_CLK_TCK);
- if (__times (&buf) < 0)
- return (clock_t) -1;
+ /* We don't check for errors here. The only error the kernel
+ returns is EFAULT if the value cannot be written to the struct we
+ pass a pointer to. Otherwise the kernel returns an `unsigned
+ long' value which is the number of jiffies since system start.
+ But this number can be negative (when read as `long') when the
+ system is up for some time. Ignoring errors should therefore
+ have no negative impacts but solve the problem. */
+ __times (&buf);
return
(clk_tck <= CLOCKS_PER_SEC)