usr/src/cmd/dtrace/test/tst/common/pid/tst.gcc.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #include <spawn.h>
  28 #include <signal.h>
  29 #include <sys/types.h>
  30 #include <sys/wait.h>
  31
  32 void
  33 go(void)
  34 {
  35         pid_t pid;
  36
  37         (void) posix_spawn(&pid, "/usr/bin/ls", NULL, NULL, NULL, NULL);
  38
  39         (void) waitpid(pid, NULL, 0);
  40 }
  41
  42 void
  43 intr(int sig)
  44 {
  45 }
  46
  47 int
  48 main(int argc, char **argv)
  49 {
  50         struct sigaction sa;
  51
  52         sa.sa_handler = intr;
  53         sigfillset(&sa.sa_mask);
  54         sa.sa_flags = 0;
  55
  56         (void) sigaction(SIGUSR1, &sa, NULL);
  57
  58         for (;;) {
  59                 go();
  60         }
  61
  62         return (0);
  63 }