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os: wrap F_DUPFD_CLOEXEC

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Some system C libraries do not have F_DUPFD_CLOEXEC. Provide a fallback.

Add tests for the new wl_os_dupfd_cloexec() wrapper.

Add per-wrapper call counters in os_wrappers-test.c. Makes it easier to
determine the minimum required number of wrapped calls.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
This commit is contained in:
Pekka Paalanen 2012-04-23 13:55:55 +03:00
parent 3b29783dc8
commit 1463a41f89
4 changed files with 91 additions and 4 deletions
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7
src/wayland-os.h
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@ -26,6 +26,9 @@
int
wl_os_socket_cloexec(int domain, int type, int protocol);
int
wl_os_dupfd_cloexec(int fd, long minfd);
/*
* The following are for wayland-os.c and the unit tests.
* Do not use them elsewhere.
@ -37,6 +40,10 @@ wl_os_socket_cloexec(int domain, int type, int protocol);
#define SOCK_CLOEXEC 02000000
#endif
#ifndef F_DUPFD_CLOEXEC
#define F_DUPFD_CLOEXEC 1030
#endif
#endif /* __linux__ */
#endif