struct pex_time *time;
/* Number of children we have already waited for. */
int number_waited;
+ /* FILE created by pex_input_file. */
+ FILE *input_file;
/* FILE created by pex_read_output. */
FILE *read_output;
/* Number of temporary files to remove. */
int (*open_write) (struct pex_obj *, const char */* name */,
int /* binary */);
/* Execute a child process. FLAGS, EXECUTABLE, ARGV, ERR are from
- pex_run. IN, OUT, ERRDES are each a descriptor, from open_read,
- open_write, or pipe, or they are one of STDIN_FILE_NO,
- STDOUT_FILE_NO or STDERR_FILE_NO; if not STD*_FILE_NO, they
- should be closed. The function should handle the
+ pex_run. IN, OUT, ERRDES, TOCLOSE are all descriptors, from
+ open_read, open_write, or pipe, or they are one of STDIN_FILE_NO,
+ STDOUT_FILE_NO or STDERR_FILE_NO; if IN, OUT, and ERRDES are not
+ STD*_FILE_NO, they should be closed. If the descriptor TOCLOSE
+ is not -1, and the system supports pipes, TOCLOSE should be
+ closed in the child process. The function should handle the
PEX_STDERR_TO_STDOUT flag. Return >= 0 on success, or -1 on
error and set *ERRMSG and *ERR. */
long (*exec_child) (struct pex_obj *, int /* flags */,
const char */* executable */, char * const * /* argv */,
+ char * const * /* env */,
int /* in */, int /* out */, int /* errdes */,
- const char **/* errmsg */, int */* err */);
+ int /* toclose */, const char **/* errmsg */,
+ int */* err */);
/* Close a descriptor. Return 0 on success, -1 on error. */
int (*close) (struct pex_obj *, int);
/* Wait for a child to complete, returning exit status in *STATUS
PEX_USE_PIPES is set). If BINARY is non-zero, open in binary
mode. Return pointer on success, NULL on error. */
FILE * (*fdopenr) (struct pex_obj *, int /* fd */, int /* binary */);
+ /* Get a FILE pointer to write to the file descriptor FD (only
+ called if PEX_USE_PIPES is set). If BINARY is non-zero, open in
+ binary mode. Arrange for FD not to be inherited by the child
+ processes. Return pointer on success, NULL on error. */
+ FILE * (*fdopenw) (struct pex_obj *, int /* fd */, int /* binary */);
/* Free any system dependent data associated with OBJ. May be
NULL if there is nothing to do. */
void (*cleanup) (struct pex_obj *);