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Fixed portability issues with union sigval.

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AIO support in nginx was originally developed against FreeBSD versions 4-6,
where the sival_ptr field was named as sigval_ptr (seemingly by mistake[1]),
which made nginx use the only name available then.  The standard-complaint
name was restored in 2005 (first appeared in FreeBSD 7.0, 2008), retaining
compatibility with previous versions[2][3].  In DragonFly, similar changes
were committed in 2009[4], with backward compatibility recently removed[5].

The change switches to the standard name, retaining compatibility with old
FreeBSD versions.

[1] https://svnweb.freebsd.org/changeset/base/48621
[2] https://svnweb.freebsd.org/changeset/base/152029
[3] https://svnweb.freebsd.org/changeset/base/174003
[4] https://gitweb.dragonflybsd.org/dragonfly.git/commit/3693401
[5] https://gitweb.dragonflybsd.org/dragonfly.git/commit/7875042
This commit is contained in:
Sergey Kandaurov 2019-01-28 14:33:31 +00:00
parent 9497cc8c20
commit f153bcebb5
2 changed files with 7 additions and 1 deletions
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2
src/os/unix/ngx_file_aio_read.c
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@ -110,7 +110,7 @@ ngx_file_aio_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset,
#if (NGX_HAVE_KQUEUE)
aio->aiocb.aio_sigevent.sigev_notify_kqueue = ngx_kqueue;
aio->aiocb.aio_sigevent.sigev_notify = SIGEV_KEVENT;
aio->aiocb.aio_sigevent.sigev_value.sigval_ptr = ev;
aio->aiocb.aio_sigevent.sigev_value.sival_ptr = ev;
#endif
ev->handler = ngx_file_aio_event_handler;

6
src/os/unix/ngx_freebsd_config.h
View File

@ -89,8 +89,14 @@
#if (NGX_HAVE_FILE_AIO)
#include <aio.h>
typedef struct aiocb ngx_aiocb_t;
#if (__FreeBSD_version < 700005 && !defined __DragonFly__)
#define sival_ptr sigval_ptr
#endif
#endif