1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without 3*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions 4*0Sstevel@tonic-gate * are met: 5*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the above copyright 6*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer. 7*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright 8*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in the 9*0Sstevel@tonic-gate * documentation and/or other materials provided with the distribution. 10*0Sstevel@tonic-gate * 11*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 12*0Sstevel@tonic-gate * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 13*0Sstevel@tonic-gate * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 14*0Sstevel@tonic-gate * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 15*0Sstevel@tonic-gate * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 16*0Sstevel@tonic-gate * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 17*0Sstevel@tonic-gate * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 18*0Sstevel@tonic-gate * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 19*0Sstevel@tonic-gate * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 20*0Sstevel@tonic-gate * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate 23*0Sstevel@tonic-gate #include "includes.h" 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate RCSID("$Id: bsd-waitpid.c,v 1.3 2001/03/26 05:35:34 mouring Exp $"); 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #ifndef HAVE_WAITPID 30*0Sstevel@tonic-gate #include <errno.h> 31*0Sstevel@tonic-gate #include <sys/wait.h> 32*0Sstevel@tonic-gate #include "bsd-waitpid.h" 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate pid_t 35*0Sstevel@tonic-gate waitpid(int pid, int *stat_loc, int options) 36*0Sstevel@tonic-gate { 37*0Sstevel@tonic-gate union wait statusp; 38*0Sstevel@tonic-gate pid_t wait_pid; 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate if (pid <= 0) { 41*0Sstevel@tonic-gate if (pid != -1) { 42*0Sstevel@tonic-gate errno = EINVAL; 43*0Sstevel@tonic-gate return -1; 44*0Sstevel@tonic-gate } 45*0Sstevel@tonic-gate pid = 0; /* wait4() wants pid=0 for indiscriminate wait. */ 46*0Sstevel@tonic-gate } 47*0Sstevel@tonic-gate wait_pid = wait4(pid, &statusp, options, NULL); 48*0Sstevel@tonic-gate if (stat_loc) 49*0Sstevel@tonic-gate *stat_loc = (int) statusp.w_status; 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate return wait_pid; 52*0Sstevel@tonic-gate } 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate #endif /* !HAVE_WAITPID */ 55