unistd.h

Go to the documentation of this file.

 
// Licensed Materials - Property of IBM
// ZOSLIB
// (C) Copyright IBM Corp. 2021. All Rights Reserved.
// US Government Users Restricted Rights - Use, duplication
// or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 
#ifndef ZOS_UNISTD_H_
#define ZOS_UNISTD_H_
 
#define __XPLAT 1
#include "zos-macros.h"
 
#if defined(__cplusplus)
extern "C" {
#endif
__Z_EXPORT int __pipe_ascii(int [2]);
__Z_EXPORT int __close(int);
#if defined(__cplusplus)
}
#endif
 
#if defined(ZOSLIB_OVERRIDE_CLIB) || defined(ZOSLIB_OVERRIDE_CLIB_UNISTD)
 
#undef pipe 
#define pipe __pipe_replaced
#undef close
#define close __close_replaced
#include_next <unistd.h>
#undef pipe
#undef close
 
#if defined(__cplusplus)
extern "C" {
#endif
 
__Z_EXPORT int pipe(int [2]) __asm("__pipe_ascii");
__Z_EXPORT int close(int) __asm("__close");
 
#if defined(__cplusplus)
}
#endif
#else
#include_next <unistd.h>
#endif
 
#if defined(__cplusplus)
extern "C" {
#endif
 
#if (__EDC_TARGET < 0x42050000) && defined(ZOSLIB_ENABLE_V2R5_FEATURES)
__Z_EXPORT extern int (*pipe2)(int pipefd[2], int flags);
__Z_EXPORT extern int (*getentropy)(void *, size_t);
#else
#if (__EDC_TARGET < 0x42050000)
__Z_EXPORT int getentropy(void* buffer, size_t length) __asm("__getentropy");
#endif
 
__Z_EXPORT int execvpe(const char *name, char *const argv[],
                       char *const envp[]);
#endif
 
#if defined(__cplusplus)
}
#endif
 
#endif