diff options
Diffstat (limited to 'sysdeps/generic/clock_getcpuclockid.c')
-rw-r--r-- | sysdeps/generic/clock_getcpuclockid.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/generic/clock_getcpuclockid.c b/sysdeps/generic/clock_getcpuclockid.c new file mode 100644 index 0000000000..39c7e55f66 --- /dev/null +++ b/sysdeps/generic/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 +} |