man3/fexecve.3

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  25 .TH FEXECVE 3 2006-03-06 "Linux" "Linux Programmer's Manual"
  26 .SH NAME
  27 fexecve \- execute program specified via file descriptor
  28 .SH SYNOPSIS
  29 .nf
  30 .B #include <sys/time.h>
  31 .sp
  32 .BI "int fexecve(int " fd ", char *const " argv "[], char *const " envp []);
  33 .fi
  34 .SH DESCRIPTION
  35 .BR fexecve ()
  36 performs the same task as
  37 .BR execve (2),
  38 with the difference that the file to be executed
  39 is specified via a file descriptor,
  40 .IR fd ,
  41 rather than via a pathname.
  42 .SH "RETURN VALUE"
  43 A successful call to
  44 .BR fexecve ()
  45 never returns.
  46 On error, the function returns, with a result value of \-1 is returned, and
  47 .I errno
  48 is set appropriately.
  49 .SH ERRORS
  50 Errors are as for
  51 .BR execve (2),
  52 with the following additions:
  53 .TP
  54 .B EINVAL
  55 .I fd
  56 is not a valid file descriptor, or
  57 .I argv
  58 is NULL, or
  59 .I envp
  60 is NULL.
  61 .TP
  62 .B ENOSYS
  63 The
  64 .I /proc
  65 file system could not be accessed.
  66 .SH VERSIONS
  67 .BR fexecve ()
  68 is implemented since glibc 2.3.2.
  69 .SH "CONFORMING TO"
  70 This function is Linux specific.
  71 .\" As at 2006:
  72 It is under consideration for inclusion in a future version of POSIX.1.
  73 .SH "SEE ALSO"
  74 .BR execve (2)