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wakeup_create: use FD_CLOEXEC/SOCK_CLOEXEC

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for `pipe()`/`socketpair()`

Fixes #13618
Closes #13625
This commit is contained in:
Andrew 2024-05-13 22:34:06 +05:00 • committed by Daniel Stenberg
parent 6eee810db4
commit fd0d2ed74a
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3 changed files with 41 additions and 5 deletions
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23
lib/socketpair.h
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@ -31,7 +31,14 @@
#define wakeup_write write
#define wakeup_read read
#define wakeup_close close
#define wakeup_create pipe
#define wakeup_create(p) Curl_pipe(p)
#ifdef HAVE_FCNTL
#include <curl/curl.h>
int Curl_pipe(curl_socket_t socks[2]);
#else
#define Curl_pipe(p) pipe(p)
#endif
#else /* HAVE_PIPE */
@ -40,17 +47,25 @@
#define wakeup_close sclose
#if defined(USE_UNIX_SOCKETS) && defined(HAVE_SOCKETPAIR)
#define SOCKET_FAMILY AF_UNIX
#define SOCKETPAIR_FAMILY AF_UNIX
#elif !defined(HAVE_SOCKETPAIR)
#define SOCKET_FAMILY 0 /* not used */
#define SOCKETPAIR_FAMILY 0 /* not used */
#else
#error "unsupported unix domain and socketpair build combo"
#endif
#define wakeup_create(p) Curl_socketpair(SOCKET_FAMILY, SOCK_STREAM, 0, p)
#ifdef SOCK_CLOEXEC
#define SOCKETPAIR_TYPE (SOCK_STREAM | SOCK_CLOEXEC)
#else
#define SOCKETPAIR_TYPE SOCK_STREAM
#endif
#define wakeup_create(p)\
Curl_socketpair(SOCKETPAIR_FAMILY, SOCKETPAIR_TYPE, 0, p)
#endif /* HAVE_PIPE */
#ifndef HAVE_SOCKETPAIR
#include <curl/curl.h>