setitimer implementation for AIX.

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)