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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-12-30 00:36:20 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-12-30 00:36:20 +0100 |
| commit | e9235e964397bc2c5c6ca1858aba5c098b591660 (patch) | |
| tree | f105012a160e801e96ec81f2d26b447deb835d08 /glibc/critical_section.mdwn | |
| parent | d90af7499de9d0c58215691174826f956ff6612c (diff) | |
| parent | 55ffc6f5698b61c75260ff12b2591e3032b0651e (diff) | |
Merge branch 'master' of git.savannah.gnu.org:/srv/git/hurd/web
Diffstat (limited to 'glibc/critical_section.mdwn')
| -rw-r--r-- | glibc/critical_section.mdwn | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/glibc/critical_section.mdwn b/glibc/critical_section.mdwn new file mode 100644 index 00000000..98ed86e9 --- /dev/null +++ b/glibc/critical_section.mdwn @@ -0,0 +1,19 @@ +[[!meta copyright="Copyright © 2012 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]]."]]"""]] + +Quoting from `hurd/hurd/signal.h`: + +> A *critical section* is a section of code which cannot safely be interrupted +> to run a [[signal handler|signal]]; for example, code that holds any lock +> cannot be interrupted lest the signal handler try to take the same lock and +> deadlock result. + +[[!tag open_issue_glibc]]Checking the code for any violations would be a useful +task of [[open_issues/code_analysis]]/[[open_issues/formal_verification]]. |