jimiocompat.h

   1 #ifndef JIMIOCOMPAT_H
   2 #define JIMIOCOMPAT_H
   3
   4 /*
   5  * Cross-platform compatibility functions and types for I/O.
   6  * Currently used by jim-aio.c and jim-exec.c
   7  */
   8
   9 #include <stdio.h>
  10 #include <errno.h>
  11
  12 #include "jimautoconf.h"
  13 #include <jim.h>
  14 #include <jim-win32compat.h>
  15
  16 /**
  17  * Set an error result based on errno and the given message.
  18  */
  19 void Jim_SetResultErrno(Jim_Interp *interp, const char *msg);
  20
  21 /**
  22  * Opens the file for writing (and appending if append is true).
  23  * Returns the file descriptor, or -1 on failure.
  24  */
  25 int Jim_OpenForWrite(const char *filename, int append);
  26
  27 /**
  28  * Opens the file for reading.
  29  * Returns the file descriptor, or -1 on failure.
  30  */
  31 int Jim_OpenForRead(const char *filename);
  32
  33 #if defined(__MINGW32__)
  34     #ifndef STRICT
  35     #define STRICT
  36     #endif
  37     #define WIN32_LEAN_AND_MEAN
  38     #include <windows.h>
  39     #include <fcntl.h>
  40     #include <io.h>
  41     #include <process.h>
  42
  43     typedef HANDLE pidtype;
  44     #define JIM_BAD_PID INVALID_HANDLE_VALUE
  45     /* Note that this isn't a separate value on Windows since we don't have os.fork */
  46     #define JIM_NO_PID INVALID_HANDLE_VALUE
  47
  48     /* These seem to accord with the conventions used by msys/mingw32 */
  49     #define WIFEXITED(STATUS) (((STATUS) & 0xff00) == 0)
  50     #define WEXITSTATUS(STATUS) ((STATUS) & 0x00ff)
  51     #define WIFSIGNALED(STATUS) (((STATUS) & 0xff00) != 0)
  52     #define WTERMSIG(STATUS) (((STATUS) >> 8) & 0xff)
  53     #define WNOHANG 1
  54
  55     /**
  56      * Unix-compatible errno
  57      */
  58     int Jim_Errno(void);
  59     pidtype waitpid(pidtype pid, int *status, int nohang);
  60
  61     #define HAVE_PIPE
  62     #define pipe(P) _pipe((P), 0, O_NOINHERIT)
  63
  64 #elif defined(HAVE_UNISTD_H)
  65     #include <unistd.h>
  66     #include <fcntl.h>
  67     #include <sys/wait.h>
  68     #include <sys/stat.h>
  69
  70     typedef int pidtype;
  71     #define Jim_Errno() errno
  72     #define JIM_BAD_PID -1
  73     #define JIM_NO_PID 0
  74
  75     #ifndef HAVE_EXECVPE
  76         #define execvpe(ARG0, ARGV, ENV) execvp(ARG0, ARGV)
  77     #endif
  78 #endif
  79
  80 #endif