#1487: unix package: test needed for getLoginName -------------------------------------+------------------------------------- Reporter: simonmar | Owner: Type: bug | Status: new Priority: lowest | Milestone: Component: | Version: libraries/unix | Keywords: Resolution: | Architecture: Unknown/Multiple Operating System: Linux | Difficulty: Easy (less than 1 Type of failure: Incorrect | hour) result at runtime | Blocked By: Test Case: | Related Tickets: #8293 Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Changes (by ezyang): * owner: thomie => * status: closed => new * resolution: fixed => Comment: Hello, the test is still failing for me, using GHC HEAD and the latest version of unix: {{{ =====> user001(normal) 5 of 29 [0, 0, 0] cd . && '/5playpen/t-edyang/ghc-master/inplace/bin/ghc-stage2' -fforce- recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history -o user001 user001.hs -package unix

user001.comp.stderr 2>&1 cd . && ./user001 >user001.run.stdout 2>user001.run.stderr Actual stdout output differs from expected: --- ./user001.stdout 2014-08-22 23:28:41.969906580 +0100 +++ ./user001.run.stdout 2014-08-23 00:33:07.631841764 +0100 @@ -3,11 +3,11 @@ getEffectiveUserID: OK getEffectiveGroupID: OK getGroups: OK -getLoginName: OK +getLoginName: ERROR: getLoginName: does not exist (No such file or directory) getEffectiveUserName: OK getGroupEntryForID: OK getGroupEntryForName: OK getAllGroupEntries: OK getUserEntryForID: OK -getUserEntryForName: OK +getUserEntryForName: ERROR: getLoginName: does not exist (No such file or directory) getAllUserEntries: OK *** unexpected failure for user001(normal)

Unexpected results from: TEST="user001" }}} On my box, running the following C program in terminal returns null: {{{ #include <stdio.h> #include <unistd.h> int main() { printf("%p\n", getlogin()); } }}} This StackOverflow post suggests that getlogin works quite unreliably: http://stackoverflow.com/questions/4785126/getlogin-c-function-returns- null-and-error-no-such-file-or-directory -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/1487#comment:23> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler