mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-12-17 16:46:50 +00:00
9b5ea0704e
Make the Win32 code exception free (untested/uncompiled) which forced some interface changes which had ripple effect. This should be the last of 797. llvm-svn: 29884
102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
//===- llvm/System/Unix/Unix.h - Common Unix Include File -------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by Reid Spencer and is distributed under the
|
|
// University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines things specific to Unix implementations.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_SYSTEM_UNIX_UNIX_H
|
|
#define LLVM_SYSTEM_UNIX_UNIX_H
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
//=== WARNING: Implementation here must contain only generic UNIX code that
|
|
//=== is guaranteed to work on all UNIX variants.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Config/config.h" // Get autoconf configuration settings
|
|
#include <cstdlib>
|
|
#include <cstdio>
|
|
#include <cstring>
|
|
#include <cerrno>
|
|
#include <string>
|
|
#include <algorithm>
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_PARAM_H
|
|
#include <sys/param.h>
|
|
#endif
|
|
|
|
#ifdef HAVE_ASSERT_H
|
|
#include <assert.h>
|
|
#endif
|
|
|
|
#ifdef TIME_WITH_SYS_TIME
|
|
# include <sys/time.h>
|
|
# include <time.h>
|
|
#else
|
|
# ifdef HAVE_SYS_TIME_H
|
|
# include <sys/time.h>
|
|
# else
|
|
# include <time.h>
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_WAIT_H
|
|
# include <sys/wait.h>
|
|
#endif
|
|
|
|
#ifndef WEXITSTATUS
|
|
# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
|
|
#endif
|
|
|
|
#ifndef WIFEXITED
|
|
# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
|
|
#endif
|
|
|
|
/// This function builds an error message into \p ErrMsg using the \p prefix
|
|
/// string and the Unix error number given by \p errnum. If errnum is -1, the
|
|
/// default then the value of errno is used.
|
|
/// @brief Make an error message
|
|
inline bool MakeErrMsg(
|
|
std::string* ErrMsg, const std::string& prefix, int errnum = -1) {
|
|
if (!ErrMsg)
|
|
return true;
|
|
char buffer[MAXPATHLEN];
|
|
buffer[0] = 0;
|
|
if (errnum == -1)
|
|
errnum = errno;
|
|
#ifdef HAVE_STRERROR_R
|
|
// strerror_r is thread-safe.
|
|
if (errnum)
|
|
strerror_r(errnum,buffer,MAXPATHLEN-1);
|
|
#elif HAVE_STRERROR
|
|
// Copy the thread un-safe result of strerror into
|
|
// the buffer as fast as possible to minimize impact
|
|
// of collision of strerror in multiple threads.
|
|
if (errnum)
|
|
strncpy(buffer,strerror(errnum),MAXPATHLEN-1);
|
|
buffer[MAXPATHLEN-1] = 0;
|
|
#else
|
|
// Strange that this system doesn't even have strerror
|
|
// but, oh well, just use a generic message
|
|
sprintf(buffer, "Error #%d", errnum);
|
|
#endif
|
|
*ErrMsg = prefix + buffer;
|
|
return true;
|
|
}
|
|
|
|
#endif
|