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[2a03:2880:ff:12::face:b00c]) by smtp.gmail.com with ESMTPSA id mo14-20020a1709030a8e00b001d8f4c531a4sm5122085plb.70.2024.01.31.11.37.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 Jan 2024 11:37:58 -0800 (PST) From: David Wei To: io-uring@vger.kernel.org Cc: Jens Axboe , Pavel Begunkov Subject: [PATCH v1] Add compatibility check for idtype_t Date: Wed, 31 Jan 2024 11:37:50 -0800 Message-Id: <20240131193750.3440432-1-dw@davidwei.uk> X-Mailer: git-send-email 2.39.3 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit io_uring_prep_waitid() requires idtype_t, which is not always defined on all platforms. Add a check for the presence of idtype_t during configure, and if not found then add a definition in compat.h. Signed-off-by: David Wei --- configure | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/configure b/configure index 9d29e20..052920d 100755 --- a/configure +++ b/configure @@ -414,6 +414,22 @@ if compile_prog "" "" "futexv"; then fi print_config "futex waitv support" "$futexv" +########################################## +# Check idtype_t support +has_idtype_t="no" +cat > $TMPC << EOF +#include +int main(void) +{ + idtype_t v; + return 0; +} +EOF +if compile_prog "" "" "idtype_t"; then + has_idtype_t="yes" +fi +print_config "has_idtype_t" "$has_idtype_t" + ############################################################################# liburing_nolibc="no" if test "$use_libc" != "yes"; then @@ -590,6 +606,17 @@ struct futex_waitv { uint32_t __reserved; }; +EOF +fi + +if test "$has_idtype_t" != "yes"; then +cat >> $compat_h << EOF +typedef enum +{ + P_ALL, /* Wait for any child. */ + P_PID, /* Wait for specified process. */ + P_PGID /* Wait for members of process group. */ +} idtype_t; EOF fi cat >> $compat_h << EOF -- 2.39.3