From: Alexander Turenko <alexander.turenko@tarantool.org> To: Cyrill Gorcunov <gorcunov@gmail.com> Cc: tml <tarantool-patches@dev.tarantool.org> Subject: Re: [Tarantool-patches] [PATCH 1/2] popen: Allow to kill process group Date: Sun, 12 Apr 2020 04:27:58 +0300 [thread overview] Message-ID: <20200412012758.d4pk7qia7pqjp2vr@tkn_work_nb> (raw) In-Reply-To: <20200410144021.5704-2-gorcunov@gmail.com> > + /* > + * Killing group of signals allowed for a new > + * session only where it makes sense, otherwise > + * child gonna inherit group and we will be killing > + * ourself. > + */ > + if (opts->flags & POPEN_FLAG_GROUP_SIGNAL && > + (opts->flags & POPEN_FLAG_SETSID) == 0) { > + diag_set(IllegalParams, > + "popen: group signal without setting sid"); > + return NULL; > + } > + Since the patchset with the preliminary patches is land to master and it contains formal list of possible errors for popen_new(), I propose the following addition: diff --git a/src/lib/core/popen.c b/src/lib/core/popen.c index 593e72d4d..fcc562734 100644 --- a/src/lib/core/popen.c +++ b/src/lib/core/popen.c @@ -812,6 +812,8 @@ signal_reset(void) * * Possible errors: * + * - IllegalParams: a parameter check fails: + * - group signal is set, while setsid is not. * - SystemError: dup(), fcntl(), pipe(), vfork() or close() fails * in the parent process. * - SystemError: (temporary restriction) one of std{in,out,err}
next prev parent reply other threads:[~2020-04-12 1:28 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-10 14:40 [Tarantool-patches] [PATCH 0/2] popen: provide more flags Cyrill Gorcunov 2020-04-10 14:40 ` [Tarantool-patches] [PATCH 1/2] popen: Allow to kill process group Cyrill Gorcunov 2020-04-10 16:41 ` Alexander Turenko 2020-04-12 1:27 ` Alexander Turenko [this message] 2020-04-12 1:40 ` Alexander Turenko 2020-04-10 14:40 ` [Tarantool-patches] [PATCH 2/2] popen: add ability to keep child on deletion Cyrill Gorcunov 2020-04-10 16:45 ` Alexander Turenko
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