diff options
Diffstat (limited to 'libs/libcurl/src/sigpipe.h')
| -rw-r--r-- | libs/libcurl/src/sigpipe.h | 162 |
1 files changed, 81 insertions, 81 deletions
diff --git a/libs/libcurl/src/sigpipe.h b/libs/libcurl/src/sigpipe.h index d12b31764d..9159280976 100644 --- a/libs/libcurl/src/sigpipe.h +++ b/libs/libcurl/src/sigpipe.h @@ -1,81 +1,81 @@ -#ifndef HEADER_CURL_SIGPIPE_H -#define HEADER_CURL_SIGPIPE_H -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al. - * - * This software is licensed as described in the file COPYING, which - * you should have received as part of this distribution. The terms - * are also available at https://curl.se/docs/copyright.html. - * - * You may opt to use, copy, modify, merge, publish, distribute and/or sell - * copies of the Software, and permit persons to whom the Software is - * furnished to do so, under the terms of the COPYING file. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - * SPDX-License-Identifier: curl - * - ***************************************************************************/ -#include "curl_setup.h" - -#if defined(HAVE_SIGNAL_H) && defined(HAVE_SIGACTION) && \ - (defined(USE_OPENSSL) || defined(USE_MBEDTLS) || defined(USE_WOLFSSL)) -#include <signal.h> - -struct sigpipe_ignore { - struct sigaction old_pipe_act; - bool no_signal; -}; - -#define SIGPIPE_VARIABLE(x) struct sigpipe_ignore x - -/* - * sigpipe_ignore() makes sure we ignore SIGPIPE while running libcurl - * internals, and then sigpipe_restore() will restore the situation when we - * return from libcurl again. - */ -static void sigpipe_ignore(struct Curl_easy *data, - struct sigpipe_ignore *ig) -{ - /* get a local copy of no_signal because the Curl_easy might not be - around when we restore */ - ig->no_signal = data->set.no_signal; - if(!data->set.no_signal) { - struct sigaction action; - /* first, extract the existing situation */ - memset(&ig->old_pipe_act, 0, sizeof(struct sigaction)); - sigaction(SIGPIPE, NULL, &ig->old_pipe_act); - action = ig->old_pipe_act; - /* ignore this signal */ - action.sa_handler = SIG_IGN; - sigaction(SIGPIPE, &action, NULL); - } -} - -/* - * sigpipe_restore() puts back the outside world's opinion of signal handler - * and SIGPIPE handling. It MUST only be called after a corresponding - * sigpipe_ignore() was used. - */ -static void sigpipe_restore(struct sigpipe_ignore *ig) -{ - if(!ig->no_signal) - /* restore the outside state */ - sigaction(SIGPIPE, &ig->old_pipe_act, NULL); -} - -#else -/* for systems without sigaction */ -#define sigpipe_ignore(x,y) Curl_nop_stmt -#define sigpipe_restore(x) Curl_nop_stmt -#define SIGPIPE_VARIABLE(x) -#endif - -#endif /* HEADER_CURL_SIGPIPE_H */ +#ifndef HEADER_CURL_SIGPIPE_H
+#define HEADER_CURL_SIGPIPE_H
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#if defined(HAVE_SIGNAL_H) && defined(HAVE_SIGACTION) && \
+ (defined(USE_OPENSSL) || defined(USE_MBEDTLS) || defined(USE_WOLFSSL))
+#include <signal.h>
+
+struct sigpipe_ignore {
+ struct sigaction old_pipe_act;
+ bool no_signal;
+};
+
+#define SIGPIPE_VARIABLE(x) struct sigpipe_ignore x
+
+/*
+ * sigpipe_ignore() makes sure we ignore SIGPIPE while running libcurl
+ * internals, and then sigpipe_restore() will restore the situation when we
+ * return from libcurl again.
+ */
+static void sigpipe_ignore(struct Curl_easy *data,
+ struct sigpipe_ignore *ig)
+{
+ /* get a local copy of no_signal because the Curl_easy might not be
+ around when we restore */
+ ig->no_signal = data->set.no_signal;
+ if(!data->set.no_signal) {
+ struct sigaction action;
+ /* first, extract the existing situation */
+ memset(&ig->old_pipe_act, 0, sizeof(struct sigaction));
+ sigaction(SIGPIPE, NULL, &ig->old_pipe_act);
+ action = ig->old_pipe_act;
+ /* ignore this signal */
+ action.sa_handler = SIG_IGN;
+ sigaction(SIGPIPE, &action, NULL);
+ }
+}
+
+/*
+ * sigpipe_restore() puts back the outside world's opinion of signal handler
+ * and SIGPIPE handling. It MUST only be called after a corresponding
+ * sigpipe_ignore() was used.
+ */
+static void sigpipe_restore(struct sigpipe_ignore *ig)
+{
+ if(!ig->no_signal)
+ /* restore the outside state */
+ sigaction(SIGPIPE, &ig->old_pipe_act, NULL);
+}
+
+#else
+/* for systems without sigaction */
+#define sigpipe_ignore(x,y) Curl_nop_stmt
+#define sigpipe_restore(x) Curl_nop_stmt
+#define SIGPIPE_VARIABLE(x)
+#endif
+
+#endif /* HEADER_CURL_SIGPIPE_H */
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