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Set CLOEXEC flag on sockets

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If SOCK_CLOEXEC exists, then set the flag on socket creation.

Otherwise, use fcntl() (or SetHandleInformation() on Windows) to set the
flag afterwards.

This avoids the sockets to be inherited in child processes.

Refs #2783 <https://github.com/Genymobile/scrcpy/pull/2783>
This commit is contained in:
Romain Vimont 2021-11-26 08:10:37 +01:00
commit b90c89766b
2 changed files with 55 additions and 1 deletions
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3
app/meson.build
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@ -149,6 +149,9 @@ foreach f : check_functions
endif
endforeach
conf.set('HAVE_SOCK_CLOEXEC', host_machine.system() != 'windows' and
cc.has_header_symbol('sys/socket.h', 'SOCK_CLOEXEC'))
# the version, updated on release
conf.set_quoted('SCRCPY_VERSION', meson.project_version())