From: Dapeng Yu Date: Mon, 25 Jan 2021 03:29:53 +0000 (+0800) Subject: app/testpmd: avoid exit without terminal restore X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b3e3d602a5ff6b91dd6006328b95e78ccd513f20;p=dpdk.git app/testpmd: avoid exit without terminal restore In interactive mode, if testpmd exit by calling rte_exit without restore terminal attributes, terminal will not echo keyboard input. register a function with atexit() in prompt(), when exit() in rte_exit() is called, the registered function restores terminal attributes. Fixes: 5a8fb55c48ab ("app/testpmd: support unidirectional configuration") Cc: stable@dpdk.org Signed-off-by: Dapeng Yu Acked-by: Xiaoyun Li --- diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index b338f5fe63..789f35f099 100644 --- a/app/test-pmd/cmdline.c +++ b/app/test-pmd/cmdline.c @@ -17131,6 +17131,7 @@ cmdline_read_from_file(const char *filename) void prompt(void) { + int ret; /* initialize non-constant commands */ cmd_set_fwd_mode_init(); cmd_set_fwd_retry_mode_init(); @@ -17138,15 +17139,23 @@ prompt(void) testpmd_cl = cmdline_stdin_new(main_ctx, "testpmd> "); if (testpmd_cl == NULL) return; + + ret = atexit(prompt_exit); + if (ret != 0) + printf("Cannot set exit function for cmdline\n"); + cmdline_interact(testpmd_cl); - cmdline_stdin_exit(testpmd_cl); + if (ret != 0) + cmdline_stdin_exit(testpmd_cl); } void prompt_exit(void) { - if (testpmd_cl != NULL) + if (testpmd_cl != NULL) { cmdline_quit(testpmd_cl); + cmdline_stdin_exit(testpmd_cl); + } } static void