portability.c File Reference

#include <stdio.h>
#include "portability.h"
#include "utility.h"

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Functions
int	gs_lock_fd_nowait (int fd, int lock_type)
int	gs_lock_fd (int fd, int lock_type)
int	gs_unlock_fd (int fd)
void	initialize_sockets ()
void	cleanup_sockets ()

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Detailed Description

This file contains various routines that help in portability to multiple platforms. Especially, there is a WIN32 section that implements various functions that are missing on WIN32.

Definition in file portability.c.

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Function Documentation

void cleanup_sockets

(

)

Definition at line 158 of file portability.c.

{}    

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int gs_lock_fd	(	int	fd,
		int	lock_type
	)

Definition at line 125 of file portability.c.

{               
  struct flock fl;
  
  fl.l_type   = lock_type;
  fl.l_whence = SEEK_SET;
  fl.l_start  = 0;
  fl.l_len    = sizeof(int);
  fl.l_pid    = getpid();
  
  return fcntl(fd, F_SETLKW, &fl);
}

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int gs_lock_fd_nowait	(	int	fd,
		int	lock_type
	)

Definition at line 112 of file portability.c.

{
  struct flock fl;
  
  fl.l_type   = lock_type;
  fl.l_whence = SEEK_SET;
  fl.l_start  = 0;
  fl.l_len    = sizeof(int);
  fl.l_pid    = getpid();
  
  return fcntl(fd, F_SETLK, &fl);
}

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int gs_unlock_fd

(

int

fd

)

Definition at line 138 of file portability.c.

{
  struct flock fl;

  fl.l_type   = F_UNLCK;
  fl.l_whence = SEEK_SET;
  fl.l_start  = 0;
  fl.l_len    = sizeof(int);
  fl.l_pid    = getpid();

  if(fcntl(fd, F_SETLK, &fl) == -1) {
    return -1;
  }

  return 0;
}

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void initialize_sockets

(

)

Definition at line 156 of file portability.c.

{}    

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