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#ifndef __EVIL_UNISTD_H__
#define __EVIL_UNISTD_H__
#include "evil_private.h"
/**
* @file evil_unistd.h
* @brief The file that provides functions ported from Unix in unistd.h.
* @defgroup Evil_Unistd_Group Unistd.h functions
* @ingroup Evil
*
* This header provides functions ported from Unix in unistd.h.
*
* @{
*/
#ifdef _MSC_VER
#include <stdio.h>
#include <io.h> // for read, write, access, close
#define execvp _ucrt_execvp // overriding execvp below
#include <process.h> // for _execvp (but not execvp), getpid
#undef execvp
EVIL_API int execvp(const char *file, char *const argv[]);
/* Values for the second argument to access. These may be OR'd together. */
#define R_OK 4 /* Test for read permission. */
#define W_OK 2 /* Test for write permission. */
#define X_OK 0 /* execute permission, originally '1', just a bypass here*/
#define F_OK 0 /* Test for existence. */
# define STDIN_FILENO _fileno(stdin)
# define STDOUT_FILENO _fileno(stdout)
# define STDERR_FILENO _fileno(stderr)
#endif // _MSC_VER
/*
* Time related functions
*
*/
/**
* @brief Return the time spent since the Evil library has been initialized.
*
* @return The time spent since the Evil library has been initialized.
*
* This function returns the time spent since the Evil library has
* been initialized. It uses a high-resolution timer and then can have
* a precision up to the nano-second. The precision is processor
* dependant. This function can be used to benchmark parts of code in
* with high precision.
*
* Conformity: Not appliclable.
*
* Supported OS: Windows XP.
*/
EVIL_API double evil_time_get(void);
/*
* Sockets and pipe related functions
*
*/
/**
* @brief Initiates the use of Windows sockets.
*
* @return 1 on success, 0 otherwise.
*
* Initiates the use of Windows sockets. If the function succeeds,
* it returns 1, otherwise it returns 0.
*
* Conformity: Non applicable.
*
* Supported OS: Windows XP.
*/
EVIL_API int evil_sockets_init(void);
/**
* @brief Shutdown the Windows socket system.
*
* Shutdown the Windows socket system.
*
* Conformity: Non applicable.
*
* Supported OS: Windows XP.
*/
EVIL_API void evil_sockets_shutdown(void);
/**
* @brief Create a pair of sockets.
*
* @param fds A pointer that contains two sockets.
*
* Create a pair of sockets that can be use with select().
* Hence, evil_sockets_init() must have been caled at least
* once before. Contrary to Unix, that functions does not
* create a pair of file descriptors.
*
* Conformity: Not applicable.
*
* Supported OS: Windows XP.
*/
EVIL_API int evil_pipe(int *fds);
/**
* @}
*/
#endif /* __EVIL_UNISTD_H__ */
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