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Re: Problem with librt.a - correction
- From: Steve Munroe <sjmunroe at us dot ibm dot com>
- To: "Guilherme Vilela" <vilela dot list at gmail dot com>
- Cc: libc-alpha at sourceware dot org
- Date: Thu, 25 Oct 2007 13:27:12 -0500
- Subject: Re: Problem with librt.a - correction
"Guilherme Vilela" <vilela.list@gmail.com> wrote on 10/25/2007 12:23:14 PM:
> Hi,
> I'm making a simple program to calculate the cpu execution time of a
> process. I'm using the function clock_gettime like the line below:
> ...
> if (clock_gettime (CLOCK_PROCESS_CPUTIME_ID, >t_wall) != 0)
> ...
> The problem only occur with the clock_id CLOCK_PROCESS_CPUTIME_ID. I'm
> using CentOS 4.2.
>
> When I compile my program with gcc using dynamic libraries (gcc -o
> test test.c -ltr) the function clock_gettime return 0 ("success"), but
> when I compile the program using static libraries (gcc -o test test.c
> -static -ltr) the function clock_gettime returns -1 ("Invalid
> argument").
>
> Anybody knows why using librt.so the probram works but using librt.a
> the program crashes?
>
Which GLIBC version and hardware?
Steven J. Munroe
Linux on Power Toolchain Architect
IBM Corporation, Linux Technology Center