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Define G_IOV_MAX to 512 on macOS/iOS

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For macOS/iOS, UIO_MAXIOV is documented in writev(2), but <sys/uio.h> only
declares it if defined(KERNEL)

Inspired by a GStreamer MR by Jim Mason
https://gitlab.freedesktop.org/gstreamer/gstreamer/merge_requests/277
This commit is contained in:
Sebastian Dröge 2019-09-07 19:42:00 +03:00
parent f944049869
commit 81f614533d
1 changed files with 4 additions and 0 deletions
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4
gio/gioprivate.h
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@ -43,6 +43,10 @@ void g_socket_connection_set_cached_remote_address (GSocketConnection *connectio
#define G_IOV_MAX IOV_MAX
#elif defined(UIO_MAXIOV)
#define G_IOV_MAX UIO_MAXIOV
#elif defined(__APPLE__)
/* For macOS/iOS, UIO_MAXIOV is documented in writev(2), but <sys/uio.h>
* only declares it if defined(KERNEL) */
#define G_IOV_MAX 512
#else
/* 16 is the minimum value required by POSIX */
#define G_IOV_MAX 16