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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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3
src/connection.c
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@ -37,6 +37,7 @@
#include "wayland-util.h"
#include "wayland-private.h"
#include "wayland-os.h"
#define DIV_ROUNDUP(n, a) ( ((n) + ((a) - 1)) / (a) )
@ -518,7 +519,7 @@ wl_closure_vmarshal(struct wl_closure *closure,
extra += sizeof *fd_ptr;
fd = va_arg(ap, int);
dup_fd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
dup_fd = wl_os_dupfd_cloexec(fd, 0);
if (dup_fd < 0) {
fprintf(stderr, "dup failed: %m");
abort();