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| author | Thomas Schwinge <thomas@codesourcery.com> | 2012-05-24 23:08:09 +0200 |
|---|---|---|
| committer | Thomas Schwinge <thomas@codesourcery.com> | 2012-05-24 23:08:09 +0200 |
| commit | 2910b7c5b1d55bc304344b584a25ea571a9075fb (patch) | |
| tree | bfbfbc98d4c0e205d2726fa44170a16e8421855e /unix/signal.mdwn | |
| parent | 35b719f54c96778f571984065579625bc9f15bf5 (diff) | |
Prepare toolchain/logs/master branch.
Diffstat (limited to 'unix/signal.mdwn')
| -rw-r--r-- | unix/signal.mdwn | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/unix/signal.mdwn b/unix/signal.mdwn deleted file mode 100644 index 084f7f2a..00000000 --- a/unix/signal.mdwn +++ /dev/null @@ -1,34 +0,0 @@ -[[!meta copyright="Copyright © 2010 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]]."]]"""]] - -*[[UNIX]] signals* are a means to asynchronously invoke a specific function -(*signal handler*) in a [[process]]. It's a rather limited form of doing -[[IPC]]. - -Signalling may impact on [[system call]]s that are executing at the same time -in that they may be completely aborted, return incomplete results, scheduled -for restarting, or cause signal delivery to be blocked upon the system call's -completion. - -An explanation can be found in the relevant standards, an overview, including -UNIX signals' deficiencies is given in {{$unix#2010_brown_ghosts_3}}, for -example. - -In a GNU/Hurd system, the signalling system is [[implemented in -glibc|glibc/signal]]. - - -# Further Reading - - * [[!wikipedia Signal_(computing)]] - - * {{$unix#djb_self-pipe}}. - - * {{$unix#rjk_fork}}. |