From 4ebbdd6712c1966406b40d2673464949775cbd7a Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Tue, 9 Jul 2013 00:04:48 -0700 Subject: Handle errno and exit status a bit more carefully. * lib/ignore-value.h: Remove this gnulib-imported file. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * admin/merge-gnulib (GNULIB_MODULES): Remove ignore-value. * src/callproc.c (child_setup) [!DOS_NT]: Don't try to stuff an error number into an exit status. Instead, use EXIT_CANCELED. (child_setup) [!MSDOS]: Avoid possible deadlock with vfork. * src/callproc.c (relocate_fd): * src/emacs.c (close_output_streams, main): * src/process.c (create_process): * src/sysdep.c (sys_subshell) [!DOS_NT || !WINDOWSNT]: Use emacs_perror for simplicity. * src/callproc.c (relocate_fd, main): * src/sysdep.c (sys_subshell): Exit with EXIT_CANCELED etc., not 1, when exec setup fails. (shut_down_emacs): Use emacs_write, not write. * src/emacs.c, src/sysdep.c: Don't include . * src/fileio.c (Fcopy_file, e_write): * src/nsterm.m (ns_select): * src/process.c (send_process): * src/sound.c (vox_write): Use emacs_write_sig, not emacs_write. * src/lisp.h (emacs_write_sig, emacs_perror): New decls. * src/process.h (EXIT_CANCELED), EXIT_CANNOT_INVOKE, EXIT_ENOENT): New constants. * src/sysdep.c (emacs_backtrace): Use emacs_write, not ignore_value of write. (emacs_full_write): New function. (emacs_write): Rewrite to use it. (emacswrite_sig, emacs_perror): New functions. * src/xrdb.c (fatal): Don't invoke perror, since errno might be garbage. --- admin/ChangeLog | 5 +++++ admin/merge-gnulib | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) (limited to 'admin') diff --git a/admin/ChangeLog b/admin/ChangeLog index f7d7cbb55d2..deb3059f8d2 100644 --- a/admin/ChangeLog +++ b/admin/ChangeLog @@ -1,3 +1,8 @@ +2013-07-09 Paul Eggert + + Handle error numbers a bit more reliably. + * merge-gnulib (GNULIB_MODULES): Remove ignore-value. + 2013-07-07 Paul Eggert Make file descriptors close-on-exec when possible (Bug#14803). diff --git a/admin/merge-gnulib b/admin/merge-gnulib index f89fe7959fd..be4dfdd409c 100755 --- a/admin/merge-gnulib +++ b/admin/merge-gnulib @@ -31,7 +31,7 @@ GNULIB_MODULES=' dtoastr dtotimespec dup2 environ execinfo faccessat fcntl fcntl-h fdatasync fdopendir filemode fstatat fsync getloadavg getopt-gnu gettime gettimeofday - ignore-value intprops largefile lstat + intprops largefile lstat manywarnings memrchr mktime pipe2 pselect pthread_sigmask putenv qacl readlink readlinkat sig2str socklen stat-time stdalign stdarg stdbool stdio -- cgit v1.3