Unit 'Unix' Package
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FpExecLE

Execute process (using argument list, environment).

Declaration

Source position: unix.pp line 123

function FpExecLE(

  const PathName: RawByteString;

  const S: array of RawByteString;

  MyEnv: PPAnsiChar

):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 component 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 23 2024