paraslash/stdout.h, branch master

Switch to SPDX identifiers.

2026-03-17T22:45:43Z

Generated with sed -i 's|Copyright.*Andre Noll.*|SPDX-License-Identifier: GPL-2.0 */|g' *.c *.h followed by manually tweaking the result a bit. No license change intended.

Revamp the stdin/stdout API.

2025-08-27T17:16:54Z

With the current API it is impossible to free the memory that was allocated by stdin_task_register() after schedule() returns. This commit replaces the APIs defined in stdin.h and stdout.h to remove the memory leaks which are inevitable with the old API. We also make struct stdin_task and stdout_task opaque because the API users (client.c, filter.c, recv.c and write.c) should not be able to manipulate the fields of these structures directly. The new stdout API differs from the new stdin API only in that stdout_new() needs an additional argument to let the caller pass in a pointer to the parent buffer tree node. Other than that, the APIs are symmetric. Use the opportunity to do the non-blocking dance in std{in,out}_new() and std{in,out}_free() rather than in the post-monitor functions. This way we may get rid of the silly ->must_set_nonblock_flag boolean of struct std{in,out}_task.

Shorten copyright notice.

2017-09-22T14:35:22Z

The GPLv2 line does not add any additional information, so drop it. This leaves a single line of legalese text for most files, which is about the amount of screen real estate it deserves. This patch was created with the following script (plus some manual fixups): awk '{ if (NR <= 5) { gs = gensub(/.*Copyright.* ([0-9]+).*Andre Noll.*/, "\\1", "g") if (gs != $0) year = gs next } if (NR == 6 && year != "") printf("/* Copyright (C) %s Andre Noll , see file COPYING. */\n", year) print }'

Update year in copyright headers.

2015-01-12T22:35:45Z

Done with files=$(git grep -l 'Copyright (C) [0-9]\{4\}$-2014$* Andre Noll') sed --in-place= -e 's/Copyright (C) $[0-9]\{4\}$-2014 Andre Noll/Copyright (C) \1 Andre Noll/1' $files In previous years we ran a similar script to set the second year in the range to the current year. This is kind of silly, so let's get rid of this useless information. This commit replaces "Copyright (C) A-B" by "Copyright (C) A" in all file headers, i.e. only the first year (A) is left in. Accurate information including time stamps for each change can be obtained from the git history.

doc: Change email address to maan@tuebingen.mpg.de

2014-08-18T20:38:53Z

The mail server on systemlinux.org was down for more than a week lately, so let's use an alternative official address. This commit changes all maan@systemlinux.org addresses to maan@tuebingen.mpg.de. Most .c and .h files contain the email address in the copyright header, so they must all be patched. Three other files contain the address for a different reason: * README lists email and git, gitweb and home page URLs * configure.ac needs it for configure -h * version.c contains it for the -V option of all commands

sched: Introduce alternative task API.

2014-05-25T13:36:37Z

In the current implementation struct task is public so users of this structure can mess with internal scheduler details as they please. This has led to many bugs and questionable code in the past. This commit is the first step to overcome this design mistake. At the end of this patch series struct task can be made private to sched.c. This commit introduces the following new public functions: * task_register, * task_context, * sched_shutdown. It also adds the new public task_info structure which carries the information passed to the scheduler when a new task is registered. This structure will stay public while struct task will become private once all users have been converted. task_register() is supposed to eventually replace register_task(). The main difference of the two is that the new function returns a _pointer_ to a task structure which is allocated dynamically. Users are not supposed to look at the fields of this pointer directly. task_context() is a temporary helper which can be removed again at the end of the series. Its sole purpose is to return the context pointer which was passed at task register time as part of struct task_info. The final new function, sched_shutdown(), deallocates the task structures allocated during task_register() to cleanly shut down the scheduler after all tasks have terminated. All users need to be converted to the new API. This patch only converts the stdout task though. The other tasks will be converted in subsequent patches. The scheduler can tell if a task was registered using the new API by means of the new ->owned_by_sched bit of struct task. This boolean variable can also be removed after all tasks have been converted. Some users will need to query the exit status of a terminated task. Hence we keep all tasks on the task list after ->post_select() returned negative but call neither ->pre_select() nor ->post_select() any more for such tasks. This leads to the concept of zombie tasks.

Change copyright year to 2014.

2014-02-22T15:49:30Z

This year, we're really on time. The changes in this patch were created by the following silly script: files=$(git grep -l 'Copyright (C) [0-9]\{4\}$-2013$* Andre Noll') sed --in-place= -e 's/Copyright (C) $[0-9]\{4\}$-2013 Andre Noll/Copyright (C) \1-2014 Andre Noll/1' $files sed --in-place= -e 's/Copyright (C) 2013 Andre Noll/Copyright (C) 2013-2014 Andre Noll/1' $files

stdin/stdout: Restore fd flags on shutdown.

2013-05-04T22:48:04Z

The stdin/stdout code should restore the flags to the old value to avoid surprises, for example in shell scripts. This changes stdin.c and stdout.c to save the old value. It is restored in ->post_select when the buffer tree node is removed and no more I/O takes place.

2013-03-25T20:42:29Z

Better late than never.

2012-01-07T15:37:00Z