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59 Commits

Author SHA1 Message Date
CrashOverride
6ceefa9f73
Merge abc7e31460f9f4029a6ae7f3042c1556d101ce62 into 2ef9f168d34d5f0573dd486629e8cf0218b189a9 2022-06-01 06:18:22 +09:00
Jake Zimmerman
2ef9f168d3
Add retcode to CalledProcessError (#81) 
It's useful to be able to know the exit code of the process when it
fails with a non-zero exit code.

To get this to work, I had to fix a bug in the implementation of
check_output. Previously, check_output would call both `p.communicate()`
and `p.poll()`. The former has the effect of waiting for EOF on the
input and then waiting for the child to exit, reaping it with
`waitpid(2)`. Unfortunately, `p.poll()` was hoping to be able to also
use `waitpid(2)` to retrieve the exit code of the process. But since the
child had already been reaped, the given pid no longer existed, and thus
`waitpid(2)` would return `ECHILD`.

Luckily the call to `p.poll()` is unnecessary, as the process already
provides `p.retcode()` for retrieving the exit code.
 2022-05-29 09:48:20 +05:30
philippewarren
bf4289c1a0
Fix execute_process blocking on Windows (#76) 2022-05-15 21:40:30 +05:30
Elazar Leibovich
2bec886e79
Clang tidy (#73) 
* clang-tidy: reorder includes

* clang-tidy: explicit one argument constructors

Co-authored-by: Elazar Leibovich <elazar.leibovich@nextsilicon.com>
 2022-03-18 09:21:04 +05:30
Dean Sands
fa58db9d6e
Issues #43, #58 and #60 (#59) 
* Issue 43: some functions are not inline

* Issue #60: MinGW support
 2020-09-29 19:19:47 +05:30
Dean Sands
5f43a237dc
Patched code to handle environment modifications (#62) 2020-09-29 19:19:02 +05:30
Arun M
718d0c816a merge 2020-06-13 13:06:28 +05:30
Arun M
dafa7dd36b string comparison issue on win32 #55 2020-06-13 13:06:00 +05:30
Németh Ádám
2f6bb248c6
fix for poll() function where the _child_created value is only ever set when not compiling on windows so on windows it should be omitted (#56) 2020-05-03 22:24:29 +05:30
Dilshod Mukhtarov
f1a698b50e
Forked subprocess not exited if execve failed (#54) 
* Fixed: forked subprocess not exited if execve failed

In lengthy processes (daemons, etc) this bug keeps open this subprocess. The subprocess continues to work (parallel to parent process) from after failed command start

* Fixed: deadlock on using multithreaded application

For example if application uses spdlog logger library and set spdlog::flush_every(std::chrono::seconds(1)); then it starts it's own thread which flushes logs every 1 second. In this case if execve failed to execute given command, then parent and subprocess deadlocked.
 2020-04-14 20:29:25 +05:30
xoviat
9c624ce4e3 Enable basic windows support (#33) 
* windows: fix implementation error
- repair configure_pipe
- allow vector initialization
- add draft destructor
- close pipes correctly

* windows: add some test compatibility

* windows: update readme

* windows: add vector args to check_output
 2020-01-18 20:01:03 +05:30
CrashOverride
126ee2978f Update subprocess.hpp (#51) 
fixed type
 2019-11-23 22:49:14 +05:30
CrashOverride
abc7e31460
Update subprocess.hpp 
fixed typo in comment
 2019-10-04 19:16:22 +02:00
Adam Kewley
a5cc965f72 Remove trailing semicolons on namespace decls: required to build with -pedantic compiler flag (#45) 2019-08-28 22:22:11 +05:30
bibermann
785ff230a8 Allow usage in multiple object files (#39) 2019-07-10 17:13:15 +05:30
xoviat
f6799fcc34 WIP: add windows compatibility (#32) 
* windows: add util functions

* windows: add cmake files

* windows: add travis.yml

* windows: address compatibility
- set cxx standard
- conditionally exclude codecvt

* windows: improve test coverage

* windows: improve test coverage

* windows: consolidate tests

* windows: disable failing test

* windows: modify read_atmost_n to use file object

* windows: modify read_all to use file object

* windows: update read_all test to use new api

* windows: implement main subprocess logic

* windows: add macro names

* windows: setup comm channels

* windows: compatibility fixes
 2019-05-09 22:02:58 +05:30
Arun Muralidharan
871577770a
Revert "WIP: Add windows compatibility (#30)" (#31) 
This reverts commit 5d92f4849276aa313dc1ba56c1556f4cca27fc7f.
 2019-05-02 12:24:40 +05:30
xoviat
5d92f48492 WIP: Add windows compatibility (#30) 
* add package files

* add windows compat to subprocess.hpp

* add test modifications

* repair test_read_all
 2019-05-02 12:02:17 +05:30
jvilk-stripe
de5f791d04 Add virtual destructor to HolderBase (#28) 2019-03-11 12:44:12 +05:30
Gerardwx
3e29149ad1 Change rethrow statements (#25) 2019-01-26 13:08:44 +05:30
mohamedAlaaK
d74481c564 fixed a bug in util::read_all() function and added a test for it (#23) 2019-01-03 21:59:49 +05:30
Arun M
7ebcd80c05 Merge conflict 2018-12-31 17:43:15 +05:30
Arun M
ced3d53e3a I can send() but I have no way of closing the input channel #21 2018-12-31 17:41:24 +05:30
ilue
0894e7f6db Fix for preexec_func (#19) 2018-12-22 00:37:51 +05:30
Ben Dang
899e9b997d Replace throw with noexcept for C17 compatibility (#17) 
C++11 started to deprecate the use of throw function identifiers.  In
C++17, this header no longer compiles due to the deprecation.

Signed-off-by: Ben Dang <me@bdang.it>
 2018-10-08 12:45:10 +05:30
Arun M
a90174cf5c is throwing errors #16 2018-09-30 10:10:40 +05:30
Arun M
05c76a5311 Reading from a pipe is messed up #14 2018-04-16 10:50:46 +05:30
Arun M
b5e3da1cf7 Cannot access process retcode after #13 2018-04-14 22:51:06 +05:30
Dmitry Petrashko
4cc467e2aa Fix lto build on clang by marking HolderBase::operator() as abstract (#12) 2018-03-07 09:47:12 +05:30
okaymaged
7534a9cddb Don't waitpid on SIGCHLD, which lost the retcode (#11) 
* Don't waitpid on SIGCHLD, which lost the retcode

* Adding test
 2018-03-02 20:28:24 +05:30
Arun M
ca74a559c5 Fix all the compilation warnings #9 2018-03-01 16:10:05 +05:30
Andrei Preda
83da3cc629 Make all static functions inline 2017-08-22 05:06:47 -07:00
Andrei Preda
55d9433422 Fix linker errors when using library in multiple object files 2017-08-22 04:14:51 -07:00
Andrei Preda
78651742fb Replace tabs with spaces 
Coding style uses indent with spaces, but there were a few lost tabs
that had to be replaced.
 2017-08-22 02:41:29 -07:00
Andrei Preda
c8577e3d83 Remove unused sys_ret variable 2017-08-19 16:39:09 +03:00
Andrei Preda
a665bff1bd Make split inline 2017-08-19 16:38:49 +03:00
Andrei Preda
fb63ff77d3 Use 'friend struct' instead of 'firend class ArgumentDeducer' in Popen 
Signed-off-by: Andrei Preda <andreipreda07@gmail.com>
 2017-08-19 16:28:42 +03:00
yytdfc
814be9e635 fix a bug of defunct process by adding a SIGCHLD handler. 2017-08-04 11:14:34 +08:00
arunmu
a23c1033df Fixed 2 issues: 
1. When more than 2 streams are piped, we use threads to read/write data
parallely. In this scenariod read_atmost_n API was being used instead of
read_all.
2. Another issue with check_output argument validation fixed.
 2016-03-21 20:25:37 +05:30
arunmu
a67cb2a439 Issue pointed by elfring: Non standard header guard 2016-03-21 18:07:05 +05:30
arunmu
5e1a9c9088 Fixed poll return status 2016-03-19 18:18:47 +05:30
arunmu
9b2e9229a5 Added documentation 2016-03-19 17:40:39 +05:30
arunmu
9762f241ae quite a few changes and added functionalities and tests 2016-03-19 00:32:58 +05:30
arunmu
aab30d19bf Major issue resolved execv args was not terminated with nullptr 2016-03-18 17:06:44 +05:30
arunmu
f409d50c8d overload stream arguments for file pointer and new pipeline test case 2016-03-18 15:46:53 +05:30
arunmu
6a9f0aab51 added more tests 2016-03-17 21:19:36 +05:30
arunmu
fd9efecf05 New test case for cat and env 2016-03-17 15:23:11 +05:30
arunmu
943c6ee0de Corrected call API 2016-03-17 14:38:28 +05:30
arunmu
169bde5c08 Added debug code 2016-03-17 11:51:11 +05:30
arunmu
6817d92533 Added check_output API 2016-03-17 11:38:40 +05:30