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Diffstat (limited to 'hurd/glibc/internals.mdwn')
| -rw-r--r-- | hurd/glibc/internals.mdwn | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/hurd/glibc/internals.mdwn b/hurd/glibc/internals.mdwn new file mode 100644 index 00000000..897da92e --- /dev/null +++ b/hurd/glibc/internals.mdwn @@ -0,0 +1,35 @@ +[[!meta copyright="Copyright © 2009 Free Software Foundation, Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +Some bits about this, some bits about that. + +# Controlling TTY + +Hurd controlling tty behavior is generally consistent with BSD's, including +`TIOCSCTTY`. Linux also has `TIOCSCTTY` and it is harmless to use it there. +But BSD and Hurd never do an implicit `TIOCSCTTY` (hence our `O_NOCTTY` is +zero). + +C.f. <http://lists.gnu.org/archive/html/bug-hurd/2009-10/msg00030.html> and the +following messages. + +# Sinals + +[[Unix]] signals are implemented in glibc. + +In every process, signals are handled in a separate signal thread. + + [Why does kill hang sometimes?] + <youpi> kill send the signal to the process + <youpi> if the process is hung, killing waits + <youpi> signals should be just asynchronous, but apparently for some reason + Roland & co wanted some syunchronization + +[[!taglink open_issue_glibc]] |