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| author | Guoyi Tu | 2022-08-23 09:50:39 +0200 |
|---|---|---|
| committer | Marc-André Lureau | 2022-09-29 12:38:05 +0200 |
| commit | 3c63b4e94a16db730a8185278479b592f7de8b7f (patch) | |
| tree | a08567d342967dd463abc5ab8a997a8013096ca2 /util | |
| parent | chardev: fix segfault in finalize (diff) | |
| download | qemu-3c63b4e94a16db730a8185278479b592f7de8b7f.tar.gz qemu-3c63b4e94a16db730a8185278479b592f7de8b7f.tar.xz qemu-3c63b4e94a16db730a8185278479b592f7de8b7f.zip | |
oslib-posix: Introduce qemu_socketpair()
qemu_socketpair() will create a pair of connected sockets
with FD_CLOEXEC set
Signed-off-by: Guoyi Tu <tugy@chinatelecom.cn>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <17fa1eff729eeabd9a001f4639abccb127ceec81.1661240709.git.tugy@chinatelecom.cn>
Diffstat (limited to 'util')
| -rw-r--r-- | util/oslib-posix.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/util/oslib-posix.c b/util/oslib-posix.c index d55af69c11..827a7aadba 100644 --- a/util/oslib-posix.c +++ b/util/oslib-posix.c @@ -253,6 +253,25 @@ void qemu_set_cloexec(int fd) assert(f != -1); } +int qemu_socketpair(int domain, int type, int protocol, int sv[2]) +{ + int ret; + +#ifdef SOCK_CLOEXEC + ret = socketpair(domain, type | SOCK_CLOEXEC, protocol, sv); + if (ret != -1 || errno != EINVAL) { + return ret; + } +#endif + ret = socketpair(domain, type, protocol, sv);; + if (ret == 0) { + qemu_set_cloexec(sv[0]); + qemu_set_cloexec(sv[1]); + } + + return ret; +} + char * qemu_get_local_state_dir(void) { |