From d7ce700605e1af0e455e31ec11f19ff21d26b525 Mon Sep 17 00:00:00 2001 From: darylm503 Date: Sat, 30 Jul 2011 00:30:44 +0000 Subject: Add Socket Libraries. Add Posix functions for porting compatibility. Fix compliance issues with ISO/IEC 9899:199409 New Functions: setenv(), fparseln(), GetFileNameFromPath(), rename(), realpath(), setprogname(), getprogname(), strlcat(), strlcpy(), strsep(), setitimer(), getitimer(), timegm(), getopt(), basename(), mkstemp(), ffs(), vsnprintf(), snprintf(), getpass(), usleep(), select(), writev(), strcasecmp(), getcwd(), chdir(), tcgetpgrp(), getpgrp(), gettimeofday(), bcopy(), git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12061 6f19259b-4bc3-4df7-8a09-765794883524 --- StdLib/Include/sys/wait.h | 170 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 170 insertions(+) create mode 100644 StdLib/Include/sys/wait.h (limited to 'StdLib/Include/sys/wait.h') diff --git a/StdLib/Include/sys/wait.h b/StdLib/Include/sys/wait.h new file mode 100644 index 0000000000..64200aa999 --- /dev/null +++ b/StdLib/Include/sys/wait.h @@ -0,0 +1,170 @@ +/* $NetBSD: wait.h,v 1.24 2005/12/11 12:25:21 christos Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1989, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)wait.h 8.2 (Berkeley) 7/10/94 + */ +#ifndef _SYS_WAIT_H_ +#define _SYS_WAIT_H_ + +#include +#include + +/* + * This file holds definitions relevent to the wait4 system call + * and the alternate interfaces that use it (wait, wait3, waitpid). + */ + +/* + * Macros to test the exit status returned by wait + * and extract the relevant values. + */ +#define _W_INT(w) (*(int *)(void *)&(w)) /* convert union wait to int */ + +#define _WSTATUS(x) (_W_INT(x) & 0177) +#define _WSTOPPED 0177 /* _WSTATUS if process is stopped */ +#define WIFSTOPPED(x) (_WSTATUS(x) == _WSTOPPED) +#define WSTOPSIG(x) ((int)(((unsigned int)_W_INT(x)) >> 8) & 0xff) +#define WIFSIGNALED(x) (_WSTATUS(x) != _WSTOPPED && _WSTATUS(x) != 0) +#define WTERMSIG(x) (_WSTATUS(x)) +#define WIFEXITED(x) (_WSTATUS(x) == 0) +#define WEXITSTATUS(x) ((int)(((unsigned int)_W_INT(x)) >> 8) & 0xff) +#define WCOREFLAG 0200 +#define WCOREDUMP(x) (_W_INT(x) & WCOREFLAG) + +#define W_EXITCODE(ret, sig) ((ret) << 8 | (sig)) +#define W_STOPCODE(sig) ((sig) << 8 | _WSTOPPED) + +/* + * Option bits for the third argument of wait4. WNOHANG causes the + * wait to not hang if there are no stopped or terminated processes, rather + * returning an error indication in this case (pid==0). WUNTRACED + * indicates that the caller should receive status about untraced children + * which stop due to signals. If children are stopped and a wait without + * this option is done, it is as though they were still running... nothing + * about them is returned. + */ +#define WNOHANG 0x00000001 /* don't hang in wait */ +#define WUNTRACED 0x00000002 /* tell about stopped, + untraced children */ +#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) +#define WALTSIG 0x00000004 /* wait for processes that exit + with an alternate signal (i.e. + not SIGCHLD) */ +#define WALLSIG 0x00000008 /* wait for processes that exit + with any signal, i.e. SIGCHLD + and alternates */ + +/* + * These are the Linux names of some of the above flags, for compatibility + * with Linux's clone(2) API. + */ +#define __WCLONE WALTSIG +#define __WALL WALLSIG + +/* + * These bits are used in order to support SVR4 (etc) functionality + * without replicating sys_wait4 5 times. + */ +#define WNOWAIT 0x00010000 /* Don't mark child 'P_WAITED' */ +#define WNOZOMBIE 0x00020000 /* Ignore zombies */ +#endif /* _XOPEN_SOURCE || _NETBSD_SOURCE */ + +/* POSIX extensions and 4.2/4.3 compatibility: */ + +/* + * Tokens for special values of the "pid" parameter to wait4. + */ +#define WAIT_ANY (-1) /* any process */ +#define WAIT_MYPGRP 0 /* any process in my process group */ + +/* + * Deprecated: + * Structure of the information in the status word returned by wait4. + * If w_stopval==WSTOPPED, then the second structure describes + * the information returned, else the first. + */ +union wait { + int w_status; /* used in syscall */ + /* + * Terminated process status. + */ + struct { +#if BYTE_ORDER == LITTLE_ENDIAN + unsigned int w_Termsig:7, /* termination signal */ + w_Coredump:1, /* core dump indicator */ + w_Retcode:8, /* exit code if w_termsig==0 */ + w_Filler:16; /* upper bits filler */ +#endif +#if BYTE_ORDER == BIG_ENDIAN + unsigned int w_Filler:16, /* upper bits filler */ + w_Retcode:8, /* exit code if w_termsig==0 */ + w_Coredump:1, /* core dump indicator */ + w_Termsig:7; /* termination signal */ +#endif + } w_T; + /* + * Stopped process status. Returned + * only for traced children unless requested + * with the WUNTRACED option bit. + */ + struct { +#if BYTE_ORDER == LITTLE_ENDIAN + unsigned int w_Stopval:8, /* == W_STOPPED if stopped */ + w_Stopsig:8, /* signal that stopped us */ + w_Filler:16; /* upper bits filler */ +#endif +#if BYTE_ORDER == BIG_ENDIAN + unsigned int w_Filler:16, /* upper bits filler */ + w_Stopsig:8, /* signal that stopped us */ + w_Stopval:8; /* == W_STOPPED if stopped */ +#endif + } w_S; +}; +#define w_termsig w_T.w_Termsig +#define w_coredump w_T.w_Coredump +#define w_retcode w_T.w_Retcode +#define w_stopval w_S.w_Stopval +#define w_stopsig w_S.w_Stopsig + +#define WSTOPPED _WSTOPPED + +__BEGIN_DECLS +pid_t wait(int *); + +#if 0 /* Normally declared here but not implemented for UEFI. */ +struct rusage; /* forward declaration */ + +pid_t waitpid(pid_t, int *, int); +pid_t wait3(int *, int, struct rusage *); +pid_t wait4(pid_t, int *, int, struct rusage *); +#endif +__END_DECLS + +#endif /* !_SYS_WAIT_H_ */ -- cgit v1.2.3