diff options
Diffstat (limited to 'support')
| -rw-r--r-- | support/Makefile | 1 | ||||
| -rw-r--r-- | support/README | 1 | ||||
| -rw-r--r-- | support/xclock_gettime.c | 31 | ||||
| -rw-r--r-- | support/xtime.h | 33 |
4 files changed, 66 insertions, 0 deletions
diff --git a/support/Makefile b/support/Makefile index 574e34cf1b..05865fef1e 100644 --- a/support/Makefile +++ b/support/Makefile @@ -78,6 +78,7 @@ libsupport-routines = \ xbind \ xcalloc \ xchroot \ + xclock_gettime \ xclose \ xconnect \ xcopy_file_range \ diff --git a/support/README b/support/README index 476cfcda59..d82f472fc7 100644 --- a/support/README +++ b/support/README @@ -10,6 +10,7 @@ error. They are declared in these header files: * support.h * xsignal.h * xthread.h +* xtime.h In general, new wrappers should be added to support.h if possible. However, support.h must remain fully compatible with C90 and therefore diff --git a/support/xclock_gettime.c b/support/xclock_gettime.c new file mode 100644 index 0000000000..0961e757fd --- /dev/null +++ b/support/xclock_gettime.c @@ -0,0 +1,31 @@ +/* clock_gettime with error checking. + Copyright (C) 2019 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, see + <http://www.gnu.org/licenses/>. */ + +#include <support/check.h> +#include <support/xtime.h> +#include <support/xthread.h> + +void +xclock_gettime (clockid_t clockid, + struct timespec *ts) +{ + const int ret = clock_gettime (clockid, ts); + if (ret < 0) + FAIL_EXIT1 ("clock_gettime (%d): %m", + clockid); +} diff --git a/support/xtime.h b/support/xtime.h new file mode 100644 index 0000000000..68af1a59d7 --- /dev/null +++ b/support/xtime.h @@ -0,0 +1,33 @@ +/* Support functionality for using time. + Copyright (C) 2019 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, see + <http://www.gnu.org/licenses/>. */ + +#ifndef SUPPORT_TIME_H +#define SUPPORT_TIME_H + +#include <time.h> + +__BEGIN_DECLS + +/* The following functions call the corresponding libc functions and + terminate the process on error. */ + +void xclock_gettime (clockid_t clock, struct timespec *ts); + +__END_DECLS + +#endif /* SUPPORT_TIME_H */ |