diff options
author | Valentin Bartenev <vbart@nginx.com> | 2015-11-17 19:01:41 +0300 |
---|---|---|
committer | Valentin Bartenev <vbart@nginx.com> | 2015-11-17 19:01:41 +0300 |
commit | d862ae8e6854501c6692e84bd5708150f2a1d9a1 (patch) | |
tree | 5e127d4066ab9ce5b4e8b21079f91bafd06c016c /auto/unix | |
parent | 906c4462f83fb90c8abef5c89f8b689ace83c6af (diff) | |
download | nginx-d862ae8e6854501c6692e84bd5708150f2a1d9a1.tar.gz |
Used the pwritev() syscall for writing files where possible.
It is more effective, because it doesn't require a separate lseek().
Diffstat (limited to 'auto/unix')
-rwxr-xr-x | auto/unix | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -589,6 +589,22 @@ ngx_feature_test="char buf[1]; ssize_t n; n = pwrite(1, buf, 1, 0); . auto/feature +# pwritev() was introduced in FreeBSD 6 and Linux 2.6.30, glibc 2.10 + +ngx_feature="pwritev()" +ngx_feature_name="NGX_HAVE_PWRITEV" +ngx_feature_run=no +ngx_feature_incs='#include <sys/uio.h>' +ngx_feature_path= +ngx_feature_libs= +ngx_feature_test="char buf[1]; struct iovec vec[1]; ssize_t n; + vec[0].iov_base = buf; + vec[0].iov_len = 1; + n = pwritev(1, vec, 1, 0); + if (n == -1) return 1" +. auto/feature + + ngx_feature="sys_nerr" ngx_feature_name="NGX_SYS_NERR" ngx_feature_run=value |