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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39b26123c99sm21509536a91.11.2026.09.07.10.05.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Sep 2026 10:05:12 -0700 (PDT) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , Bruce Richardson , Chengwen Feng , Kevin Laatz , Ori Kam , Sunil Kumar Kori , Pavan Nikhilesh , Jerin Jacob , Kiran Kumar K , Nithin Dabilpuram , Zhirun Yan Subject: [PATCH v2 02/13] examples: remove printf from signal handler Date: Mon, 7 Sep 2026 10:03:20 -0700 Message-ID: <20260907170454.351647-3-stephen@networkplumber.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260907170454.351647-1-stephen@networkplumber.org> References: <20260906232716.496546-1-stephen@networkplumber.org> <20260907170454.351647-1-stephen@networkplumber.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Printf is not a signal safe function, remove useless printf's that cause warnings in GCC analyzer. Signed-off-by: Stephen Hemminger Acked-by: Bruce Richardson --- examples/distributor/main.c | 3 +-- examples/dma/dmafwd.c | 2 -- examples/eventdev_pipeline/main.c | 2 -- examples/flow_filtering/main.c | 5 +---- examples/l2fwd-event/main.c | 5 +---- examples/l2fwd/main.c | 5 +---- examples/l3fwd-graph/main.c | 5 +---- 7 files changed, 5 insertions(+), 22 deletions(-) diff --git a/examples/distributor/main.c b/examples/distributor/main.c index ea44939fba..0905482cf0 100644 --- a/examples/distributor/main.c +++ b/examples/distributor/main.c @@ -529,9 +529,8 @@ lcore_tx(struct rte_ring *in_r) } static void -int_handler(int sig_num) +int_handler(int sig_num __rte_unused) { - printf("Exiting on signal %d\n", sig_num); /* set quit flag for rx thread to exit */ quit_signal_rx = 1; } diff --git a/examples/dma/dmafwd.c b/examples/dma/dmafwd.c index a8ed09e6ae..8d195faddb 100644 --- a/examples/dma/dmafwd.c +++ b/examples/dma/dmafwd.c @@ -998,8 +998,6 @@ static void signal_handler(int signum) { if (signum == SIGINT || signum == SIGTERM) { - printf("\n\nSignal %d received, preparing to exit...\n", - signum); force_quit = true; } else if (signum == SIGUSR1) { dmadev_dump(); diff --git a/examples/eventdev_pipeline/main.c b/examples/eventdev_pipeline/main.c index 0c995d1a70..65e0cd437c 100644 --- a/examples/eventdev_pipeline/main.c +++ b/examples/eventdev_pipeline/main.c @@ -319,8 +319,6 @@ signal_handler(int signum) if (fdata->done) rte_exit(1, "Exiting on signal %d\n", signum); if ((signum == SIGINT || signum == SIGTERM) && !once) { - printf("\n\nSignal %d received, preparing to exit...\n", - signum); if (cdata.dump_dev) rte_event_dev_dump(0, stdout); once = 1; diff --git a/examples/flow_filtering/main.c b/examples/flow_filtering/main.c index f2124881a0..b4ccaacea1 100644 --- a/examples/flow_filtering/main.c +++ b/examples/flow_filtering/main.c @@ -266,11 +266,8 @@ init_port(void) static void signal_handler(int signum) { - if (signum == SIGINT || signum == SIGTERM) { - printf("\n\nSignal %d received, preparing to exit...\n", - signum); + if (signum == SIGINT || signum == SIGTERM) force_quit = true; - } } /* Parse the argument given in the command line of the application */ diff --git a/examples/l2fwd-event/main.c b/examples/l2fwd-event/main.c index 2d31d4c6ad..c492c6dee0 100644 --- a/examples/l2fwd-event/main.c +++ b/examples/l2fwd-event/main.c @@ -582,11 +582,8 @@ static void signal_handler(int signum) { struct l2fwd_resources *rsrc = l2fwd_get_rsrc(); - if (signum == SIGINT || signum == SIGTERM) { - printf("\n\nSignal %d received, preparing to exit...\n", - signum); + if (signum == SIGINT || signum == SIGTERM) rsrc->force_quit = true; - } } int diff --git a/examples/l2fwd/main.c b/examples/l2fwd/main.c index 1c4a89ae90..851816423f 100644 --- a/examples/l2fwd/main.c +++ b/examples/l2fwd/main.c @@ -638,11 +638,8 @@ check_all_ports_link_status(uint32_t port_mask) static void signal_handler(int signum) { - if (signum == SIGINT || signum == SIGTERM) { - printf("\n\nSignal %d received, preparing to exit...\n", - signum); + if (signum == SIGINT || signum == SIGTERM) force_quit = true; - } } int diff --git a/examples/l3fwd-graph/main.c b/examples/l3fwd-graph/main.c index 5f89286dce..4fa302f5b0 100644 --- a/examples/l3fwd-graph/main.c +++ b/examples/l3fwd-graph/main.c @@ -753,11 +753,8 @@ check_all_ports_link_status(uint32_t port_mask) static void signal_handler(int signum) { - if (signum == SIGINT || signum == SIGTERM) { - printf("\n\nSignal %d received, preparing to exit...\n", - signum); + if (signum == SIGINT || signum == SIGTERM) force_quit = true; - } } static void -- 2.53.0