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authorToomas Soome <tsoome@me.com>2020-02-08 20:24:21 +0200
committerToomas Soome <tsoome@me.com>2020-03-18 19:36:25 +0200
commit97b5374547d500fded52d886ceba8a9962af0527 (patch)
tree58133eb5538d122ed076707c9abe35530356cc0c /usr/src/lib/libbc/libc/sys/common/wait.c
parent20d3bf629e3e91ea61dee8153d5bc47daeab26b0 (diff)
downloadillumos-gate-97b5374547d500fded52d886ceba8a9962af0527.tar.gz
12292 retire libbc
Reviewed by: Peter Tribble <peter.tribble@gmail.com> Reviewed by: Andy Stormont <astormont@racktopsystems.com> Reviewed by: Alexander Eremin <aeremin@tintri.com> Approved by: Garrett D'Amore <garrett@damore.org>
Diffstat (limited to 'usr/src/lib/libbc/libc/sys/common/wait.c')
-rw-r--r--usr/src/lib/libbc/libc/sys/common/wait.c289
1 files changed, 0 insertions, 289 deletions
diff --git a/usr/src/lib/libbc/libc/sys/common/wait.c b/usr/src/lib/libbc/libc/sys/common/wait.c
deleted file mode 100644
index 36f06ef44f..0000000000
--- a/usr/src/lib/libbc/libc/sys/common/wait.c
+++ /dev/null
@@ -1,289 +0,0 @@
-/*
- * 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
- */
-/*
- * Copyright 1995 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
-
-/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
-/* All Rights Reserved */
-
-/*
- * Portions of this source code were derived from Berkeley 4.3 BSD
- * under license from the Regents of the University of California.
- */
-
-#pragma ident "%Z%%M% %I% %E% SMI"
-
-/*
- * Compatibility lib for BSD's wait3() and wait4().
- */
-
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/times.h>
-#include <sys/wait.h>
-#include <sys/param.h>
-#include <sys/resource.h>
-#include "signalmap.h"
-
-/*
- * Since sysV does not support rusage as in BSD, an approximate approach
- * is:
- * ...
- * call times
- * call waitid
- * if ( a child is found )
- * call times again
- * rusage ~= diff in the 2 times call
- * ...
- *
- */
-
-/*
- * arguments to wait functions from SVR4
- */
-
-#define N_WEXITED 0001 /* wait for processes that have exite */
-#define N_WTRAPPED 0002 /* wait for processes stopped while tracing */
-#define N_WSTOPPED 0004 /* wait for processes stopped by signals */
-#define N_WCONTINUED 0010 /* wait for processes continued */
-
-#define N_WUNTRACED N_WSTOPPED /* for POSIX */
-
-#define N_WNOHANG 0100 /* non blocking form of wait */
-#define N_WNOWAIT 0200 /* non destructive form of wait */
-
-#define WCOREFLG 0200
-
-/*
- * SIGCLD signal codes from SVr4
- */
-
-#define CLD_EXITED 1 /* child has exited */
-#define CLD_KILLED 2 /* child was killed */
-#define CLD_DUMPED 3 /* child has coredumped */
-#define CLD_TRAPPED 4 /* traced child has stopped */
-#define CLD_STOPPED 5 /* child has stopped on signal */
-#define CLD_CONTINUED 6 /* stopped child has continued */
-#define NSIGCLD 6
-
-/*
- * id type from SVR4 procset.h
- */
-typedef enum idtype {
- P_PID, /* A process identifier. */
- P_PPID, /* A parent process identifier. */
- P_PGID, /* A process group (job control group) */
- /* identifier. */
- P_SID, /* A session identifier. */
- P_CID, /* A scheduling class identifier. */
- P_UID, /* A user identifier. */
- P_GID, /* A group identifier. */
- P_ALL /* All processes. */
-} idtype_t;
-
-static void mapstatus(int *, int);
-
-int
-wait(int *status)
-{
- int ret, nstatus;
-
- if ((int)status == -1) {
- errno = EFAULT;
- return (-1);
- }
-
- ret = _wait(&nstatus);
- if (status)
- mapstatus(status, nstatus);
- return (ret);
-}
-
-int
-waitpid(int pid, int *status, int options)
-{
- int noptions, ret;
- int nstatus;
-
- if ((int)status == -1) {
- errno = EFAULT;
- return (-1);
- }
-
- /*
- * BSD's wait* routines only support WNOHANG & WUNTRACED
- */
- if (options & ~(WNOHANG|WUNTRACED))
- return (EINVAL);
- noptions = (N_WEXITED|N_WTRAPPED);
- if (options & WNOHANG)
- noptions |= N_WNOHANG;
- if (options & WUNTRACED)
- noptions |= N_WUNTRACED; /* == N_WSTOPPED */
-
- ret = _waitpid(pid, &nstatus, noptions);
-
- if (status)
- mapstatus(status, nstatus);
-
- return (ret);
-}
-
-/*
- * It would be -so- nice just to call _wait3 and mapstatus here.
- */
-int
-wait3(int *status, int options, struct rusage *rp)
-{
- return (wait4(0, status, options, rp));
-}
-
-static int wstat(int, int);
-
-/*
- * It would be -so- nice just to call _wait4 and mapstatus here.
- */
-int
-wait4(int pid, int *status, int options, struct rusage *rp)
-{
- struct tms before_tms;
- struct tms after_tms;
- siginfo_t info;
- int error;
- int noptions;
- idtype_t idtype;
-
- if ((int)status == -1 || (int)rp == -1) {
- errno = EFAULT;
- return(-1);
- }
-
- if (rp)
- memset(rp, 0, sizeof(struct rusage));
- memset(&info, 0, sizeof (siginfo_t));
- if (times(&before_tms) < 0)
- return (-1); /* errno is set by times() */
-
- /*
- * BSD's wait* routines only support WNOHANG & WUNTRACED
- */
- if (options & ~(WNOHANG|WUNTRACED))
- return (EINVAL);
- noptions = N_WEXITED | N_WTRAPPED;
- if (options & WNOHANG)
- noptions |= N_WNOHANG;
- if (options & WUNTRACED)
- noptions |= N_WUNTRACED; /* == N_WSTOPPED */
-
- /*
- * Emulate undocumented 4.x semantics for 1186845
- */
- if (pid < 0) {
- pid = -pid;
- idtype = P_PGID;
- } else if (pid == 0)
- idtype = P_ALL;
- else
- idtype = P_PID;
-
- error = _waitid(idtype, pid, &info, noptions);
- if (error == 0) {
- long diffu; /* difference in usertime (ticks) */
- long diffs; /* difference in systemtime (ticks) */
-
- if ((options & WNOHANG) && (info.si_pid == 0))
- return (0); /* no child found */
-
- if (rp) {
- if (times(&after_tms) < 0)
- return (-1); /* errno already set by times() */
- /*
- * The system/user time is an approximation only !!!
- */
- diffu = after_tms.tms_cutime - before_tms.tms_cutime;
- diffs = after_tms.tms_cstime - before_tms.tms_cstime;
- rp->ru_utime.tv_sec = diffu / HZ;
- rp->ru_utime.tv_usec = (diffu % HZ) * (1000000 / HZ);
- rp->ru_stime.tv_sec = diffs / HZ;
- rp->ru_stime.tv_usec = (diffs % HZ) * (1000000 / HZ);
- }
- if (status)
- *status = wstat(info.si_code, info.si_status);
- return (info.si_pid);
- } else {
- return (-1); /* error number is set by waitid() */
- }
-}
-
-
-/*
- * Convert the status code to old style wait status
- */
-static int
-wstat(int code, int status)
-{
- int stat = (status & 0377);
-
- switch (code) {
- case CLD_EXITED:
- stat <<= 8;
- break;
- case CLD_KILLED:
- stat = maptooldsig(stat);
- if (code == CLD_DUMPED)
- stat |= WCOREFLG;
- break;
- case CLD_DUMPED:
- stat |= WCOREFLG;
- break;
- case CLD_TRAPPED:
- case CLD_STOPPED:
- stat = maptooldsig(stat);
- stat <<= 8;
- stat |= _WSTOPPED;
- break;
- }
- return (stat);
-}
-
-static void
-mapstatus(int *new, int old)
-{
- int stat = old & 0xFF;
-
- switch(stat) {
- case _WSTOPPED:
- *new = maptooldsig(stat >> 8);
- *new = (stat << 8) | _WSTOPPED;
- break;
- case 0:
- *new = old;
- break;
- default:
- *new = maptooldsig(old & 0x7F);
- if (old & 0x80)
- *new |= 0x80; /* set WCOREFLG */
- }
-}