Author: Ronan Lamy <ronan.l...@gmail.com>
Branch: rposix-for-3
Changeset: r83470:e4260eb4e93c
Date: 2016-03-31 17:20 +0100
http://bitbucket.org/pypy/pypy/changeset/e4260eb4e93c/
Log: Implement rposix.fexecve()
diff --git a/rpython/rlib/rposix.py b/rpython/rlib/rposix.py
--- a/rpython/rlib/rposix.py
+++ b/rpython/rlib/rposix.py
@@ -1801,6 +1801,26 @@
error = c_fchownat(dir_fd, path, owner, group, flag)
handle_posix_error('fchownat', error)
+if HAVE_FEXECVE:
+ c_fexecve = external('fexecve',
+ [rffi.INT, rffi.CCHARPP, rffi.CCHARPP], rffi.INT,
+ save_err=rffi.RFFI_SAVE_ERRNO)
+
+ def fexecve(fd, args, env):
+ envstrs = []
+ for item in env.iteritems():
+ envstr = "%s=%s" % item
+ envstrs.append(envstr)
+
+ # This list conversion already takes care of NUL bytes.
+ l_args = rffi.ll_liststr2charpp(args)
+ l_env = rffi.ll_liststr2charpp(envstrs)
+ c_fexecve(fd, l_args, l_env)
+
+ rffi.free_charpp(l_env)
+ rffi.free_charpp(l_args)
+ raise OSError(get_saved_errno(), "execve failed")
+
if HAVE_LINKAT:
c_linkat = external('linkat',
[rffi.INT, rffi.CCHARP, rffi.INT, rffi.CCHARP, rffi.INT], rffi.INT)
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