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authorUlrich Drepper <drepper@redhat.com>2001-06-20 07:07:41 +0000
committerUlrich Drepper <drepper@redhat.com>2001-06-20 07:07:41 +0000
commit55f326305c8e8fe91c52d38857b5ffc025836cd4 (patch)
tree497dbdbc5e8f0313e97d5a7b31b2f13e9836b348 /sysdeps
parent68dbc1fdab716d68083c928d9951abc03e20ad9e (diff)
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setitimer implementation for AIX.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/aix/setitimer.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/aix/setitimer.c b/sysdeps/unix/sysv/aix/setitimer.c
new file mode 100644
index 0000000000..444900b99c
--- /dev/null
+++ b/sysdeps/unix/sysv/aix/setitimer.c
@@ -0,0 +1,68 @@
+/* Copyright (C) 1991, 1994, 1995, 1996, 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <stddef.h>
+#include <errno.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <signal.h>
+
+extern int __libc_nanosleep (const struct timespec *requested_time,
+ struct timespec *remaining);
+int
+__setitimer (which, new, old)
+ enum __itimer_which which;
+ const struct itimerval *new;
+ struct itimerval *old;
+{
+ if (new == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ switch (which)
+ {
+ default:
+ __set_errno (EINVAL);
+ return -1;
+
+ case ITIMER_VIRTUAL:
+ case ITIMER_PROF:
+ __set_errno (ENOSYS);
+ return -1;
+
+ case ITIMER_REAL:
+ break;
+ }
+
+ switch (__fork())
+ {
+ case -1: exit(-1);
+ case 0:
+ {
+ struct timespec ts ={tv_sec:(long int)new->it_value.tv_sec,tv_nsec:0};
+ __libc_nanosleep(&ts,&ts);
+ __kill(getppid(), SIGALRM);
+ exit(0);
+ }
+ default:
+ }
+ return 0;
+}
+weak_alias (__setitimer, setitimer)