[Overview][Constants][Types][Procedures and functions][Variables][Index] Reference for unit 'Unix' (#rtl)

FpExecLE

Execute process (using argument list, environment)

Declaration

Source position: unix.pp line 83

function FpExecLE(

  const PathName: AnsiString;

  const S: array of AnsiString;

  MyEnv: PPChar

):cint;

Description

FpExecLE replaces the currently running program with the program, specified in PathName. S is an array of command options. The executable in PathName must be an absolute pathname. The environment in MyEnv is passed to the program. On success, FpExecLE does not return.

Errors

Extended error information is returned by the FpGetErrno function:

sys_eacces
File is not a regular file, or has no execute permission. A compononent of the path has no search permission.
sys_eperm
The file system is mounted noexec.
sys_e2big
Argument list too big.
sys_enoexec
The magic number in the file is incorrect.
sys_enoent
The file does not exist.
sys_enomem
Not enough memory for kernel, or to split command line.
sys_enotdir
A component of the path is not a directory.
sys_eloop
The path contains a circular reference (via symlinks).

See also

FpExecve

  

Execute process using environment

FpExecv

  

Execute process

FpExecvp

  

Execute process, search path

FpExecl

  

Execute process (using argument list, environment)

FpExeclp

  

Execute process (using argument list, environment; search path)

FpFork

  

Create child process

Example

Program Example11;

{ Program to demonstrate the Execle function. }

Uses Unix, strings;

begin
  { Execute 'ls -l', with current environment. }
  { 'ls' is NOT looked for in PATH environment variable.}
  { envp is defined in the system unit.}
  Execle ('/bin/ls -l',envp);
end.

Documentation generated on: Nov 16 2015