diff options
Diffstat (limited to 'usr/src/lib/libbc/libc/gen/common/alarm.c')
| -rw-r--r-- | usr/src/lib/libbc/libc/gen/common/alarm.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/gen/common/alarm.c b/usr/src/lib/libbc/libc/gen/common/alarm.c new file mode 100644 index 0000000000..d804f9673c --- /dev/null +++ b/usr/src/lib/libbc/libc/gen/common/alarm.c @@ -0,0 +1,44 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +#pragma ident "%Z%%M% %I% %E% SMI" + /* from UCB 4.1 83/06/10 */ + +/* + * Backwards compatible alarm. + */ +#include <sys/time.h> + +alarm(secs) + int secs; +{ + struct itimerval it, oitv; + register struct itimerval *itp = ⁢ + + timerclear(&itp->it_interval); + itp->it_value.tv_sec = secs; + itp->it_value.tv_usec = 0; + if (setitimer(ITIMER_REAL, itp, &oitv) < 0) + return (-1); + if (oitv.it_value.tv_usec) + oitv.it_value.tv_sec++; + return (oitv.it_value.tv_sec); +} |