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author | Ulrich Drepper <drepper@redhat.com> | 2005-12-14 08:43:25 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2005-12-14 08:43:25 +0000 |
commit | b6ab06cef4670e02756bcdd4d2c33a49369a4346 (patch) | |
tree | b30743eb9728d890d1519f62b2d1f2b96f62547a /rt/clock_getcpuclockid.c | |
parent | d1dc39a44e339f9c48baa3854fffb3d68c73c8fa (diff) | |
download | glibc-b6ab06cef4670e02756bcdd4d2c33a49369a4346.zip glibc-b6ab06cef4670e02756bcdd4d2c33a49369a4346.tar.gz glibc-b6ab06cef4670e02756bcdd4d2c33a49369a4346.tar.bz2 |
2005-12-13 Ulrich Drepper <drepper@redhat.com>
Diffstat (limited to 'rt/clock_getcpuclockid.c')
-rw-r--r-- | rt/clock_getcpuclockid.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/rt/clock_getcpuclockid.c b/rt/clock_getcpuclockid.c new file mode 100644 index 0000000..39c7e55 --- /dev/null +++ b/rt/clock_getcpuclockid.c @@ -0,0 +1,39 @@ +/* Copyright (C) 2000, 2001 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <time.h> +#include <unistd.h> + +int +clock_getcpuclockid (pid_t pid, clockid_t *clock_id) +{ + /* We don't allow any process ID but our own. */ + if (pid != 0 && pid != getpid ()) + return EPERM; + +#ifdef CLOCK_PROCESS_CPUTIME_ID + /* Store the number. */ + *clock_id = CLOCK_PROCESS_CPUTIME_ID; + + return 0; +#else + /* We don't have a timer for that. */ + return ENOENT; +#endif +} |