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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 21:12:02 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 21:12:02 +0000 |
commit | 77e50caaf2ef81cd91075cf836fed0e75718ffb4 (patch) | |
tree | 53b7b411290b63192fc9e924a3b6b65cdf67e9d0 /debian/vendor-h2o/deps/cloexec | |
parent | Adding upstream version 1.8.3. (diff) | |
download | dnsdist-77e50caaf2ef81cd91075cf836fed0e75718ffb4.tar.xz dnsdist-77e50caaf2ef81cd91075cf836fed0e75718ffb4.zip |
Adding debian version 1.8.3-2.debian/1.8.3-2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | debian/vendor-h2o/deps/cloexec/cloexec.c | 93 | ||||
-rw-r--r-- | debian/vendor-h2o/deps/cloexec/cloexec.h | 36 |
2 files changed, 129 insertions, 0 deletions
diff --git a/debian/vendor-h2o/deps/cloexec/cloexec.c b/debian/vendor-h2o/deps/cloexec/cloexec.c new file mode 100644 index 0000000..bc67c39 --- /dev/null +++ b/debian/vendor-h2o/deps/cloexec/cloexec.c @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2015 DeNA Co., Ltd. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ +#include <fcntl.h> +#include "cloexec.h" + +pthread_mutex_t cloexec_mutex = PTHREAD_MUTEX_INITIALIZER; + +static int set_cloexec(int fd) +{ + return fcntl(fd, F_SETFD, FD_CLOEXEC) != -1 ? 0 : -1; +} + +/* + * note: the socket must be in non-blocking mode, or the call might block while the mutex is being locked + */ +int cloexec_accept(int socket, struct sockaddr *addr, socklen_t *addrlen) +{ + int fd = -1; + pthread_mutex_lock(&cloexec_mutex); + + if ((fd = accept(socket, addr, addrlen)) == -1) + goto Exit; + if (set_cloexec(fd) != 0) { + close(fd); + fd = -1; + goto Exit; + } + +Exit: + pthread_mutex_unlock(&cloexec_mutex); + return fd; +} + +int cloexec_pipe(int fds[2]) +{ +#ifdef __linux__ + return pipe2(fds, O_CLOEXEC); +#else + int ret = -1; + pthread_mutex_lock(&cloexec_mutex); + + if (pipe(fds) != 0) + goto Exit; + if (set_cloexec(fds[0]) != 0 || set_cloexec(fds[1]) != 0) + goto Exit; + ret = 0; + +Exit: + pthread_mutex_unlock(&cloexec_mutex); + return ret; +#endif +} + +int cloexec_socket(int domain, int type, int protocol) +{ +#ifdef __linux__ + return socket(domain, type | SOCK_CLOEXEC, protocol); +#else + int fd = -1; + pthread_mutex_lock(&cloexec_mutex); + + if ((fd = socket(domain, type, protocol)) == -1) + goto Exit; + if (set_cloexec(fd) != 0) { + close(fd); + fd = -1; + goto Exit; + } + +Exit: + pthread_mutex_unlock(&cloexec_mutex); + return fd; +#endif +} diff --git a/debian/vendor-h2o/deps/cloexec/cloexec.h b/debian/vendor-h2o/deps/cloexec/cloexec.h new file mode 100644 index 0000000..53987ed --- /dev/null +++ b/debian/vendor-h2o/deps/cloexec/cloexec.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2015 DeNA Co., Ltd. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ +#ifndef CLOEXEC_H +#define CLOEXEC_H + +#include <pthread.h> +#include <sys/socket.h> +#include <sys/types.h> +#include <unistd.h> + +extern pthread_mutex_t cloexec_mutex; + +int cloexec_accept(int socket, struct sockaddr *addr, socklen_t *addrlen); +int cloexec_pipe(int fds[2]); +int cloexec_socket(int domain, int type, int protocol); + +#endif |