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From: Tom Tromey <tom@tromey.com>
To: Kamil Rytarowski <n54@gmx.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH 01/10] Add handle_eintr to wrap EINTR handling in syscalls
Date: Thu, 03 Sep 2020 08:17:11 -0600	[thread overview]
Message-ID: <87sgbzq714.fsf@tromey.com> (raw)
In-Reply-To: <20200902175926.13182-2-n54@gmx.com> (Kamil Rytarowski's message of "Wed, 2 Sep 2020 19:59:17 +0200")

>>>>> "Kamil" == Kamil Rytarowski <n54@gmx.com> writes:

Kamil> +2020-03-17  Kamil Rytarowski  <n54@gmx.com>
Kamil> +
Kamil> +	* eintr.h: Add handle_eintr.

Kamil> +template <typename Fun, typename... Args>
Kamil> +inline decltype (auto) handle_eintr (const Fun &F, const Args &... A)

I like this, but from what I read it seems that "decltype(auto)" is
C++14 -- but gdb is still C++11.


Kamil> +{
Kamil> +  decltype (F (A...)) ret;
Kamil> +  do
Kamil> +    {
Kamil> +      errno = 0;
Kamil> +      ret = F (A...);
Kamil> +    }
Kamil> +  while (ret == -1 && errno == EINTR);

Also this seems to assume that "ret" is comparable to an int anyway.
So maybe just assuming int everywhere would be ok.

Tom


  reply	other threads:[~2020-09-03 14:17 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-02 17:59 [PATCH 00/10] Add minimal NetBSD/amd64 gdbserver support Kamil Rytarowski
2020-09-02 17:59 ` [PATCH 01/10] Add handle_eintr to wrap EINTR handling in syscalls Kamil Rytarowski
2020-09-03 14:17   ` Tom Tromey [this message]
2020-09-03 21:10     ` Kamil Rytarowski
2020-09-02 17:59 ` [PATCH 02/10] Register a placeholder for NetBSD shared functions in gdb/nat Kamil Rytarowski
2020-09-02 17:59 ` [PATCH 03/10] Build nat/netbsd-nat.o for the NetBSD native target Kamil Rytarowski
2020-09-02 17:59 ` [PATCH 04/10] Add netbsd_nat::pid_to_exec_file Kamil Rytarowski
2020-09-02 17:59 ` [PATCH 05/10] Add gdb/nat common functions for listing threads Kamil Rytarowski
2020-09-02 17:59 ` [PATCH 06/10] Add netbsd_nat::enable_proc_events in gdb/nat Kamil Rytarowski
2020-09-02 17:59 ` [PATCH 07/10] Add a common utility function to read and write siginfo_t in inferior Kamil Rytarowski
2020-09-02 17:59 ` [PATCH 08/10] Avoid double free in startup_inferior Kamil Rytarowski
2020-09-02 17:59 ` [PATCH 09/10] Switch local native code to gdb/nat shared functions Kamil Rytarowski
2020-09-02 17:59 ` [PATCH 10/10] Add minimal and functional NetBSD/amd64 gdbserver Kamil Rytarowski
2020-09-03 17:42   ` Aktemur, Tankut Baris
2020-09-04  0:13     ` Kamil Rytarowski
2020-09-04  7:58       ` Aktemur, Tankut Baris
2020-09-04 12:35         ` Kamil Rytarowski
2020-09-16 16:08   ` Tom Tromey
2020-09-18 17:41     ` Kamil Rytarowski

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