Mercurial > hg > nginx
comparison auto/unix @ 6301:b5a87b51be24
Used the pwritev() syscall for writing files where possible.
It is more effective, because it doesn't require a separate lseek().
| author | Valentin Bartenev <vbart@nginx.com> |
|---|---|
| date | Tue, 17 Nov 2015 19:01:41 +0300 |
| parents | acba1656c474 |
| children | 7142b04337d6 |
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| 6300:be6af0906a4d | 6301:b5a87b51be24 |
|---|---|
| 583 ngx_feature_run=no | 583 ngx_feature_run=no |
| 584 ngx_feature_incs= | 584 ngx_feature_incs= |
| 585 ngx_feature_path= | 585 ngx_feature_path= |
| 586 ngx_feature_libs= | 586 ngx_feature_libs= |
| 587 ngx_feature_test="char buf[1]; ssize_t n; n = pwrite(1, buf, 1, 0); | 587 ngx_feature_test="char buf[1]; ssize_t n; n = pwrite(1, buf, 1, 0); |
| 588 if (n == -1) return 1" | |
| 589 . auto/feature | |
| 590 | |
| 591 | |
| 592 # pwritev() was introduced in FreeBSD 6 and Linux 2.6.30, glibc 2.10 | |
| 593 | |
| 594 ngx_feature="pwritev()" | |
| 595 ngx_feature_name="NGX_HAVE_PWRITEV" | |
| 596 ngx_feature_run=no | |
| 597 ngx_feature_incs='#include <sys/uio.h>' | |
| 598 ngx_feature_path= | |
| 599 ngx_feature_libs= | |
| 600 ngx_feature_test="char buf[1]; struct iovec vec[1]; ssize_t n; | |
| 601 vec[0].iov_base = buf; | |
| 602 vec[0].iov_len = 1; | |
| 603 n = pwritev(1, vec, 1, 0); | |
| 588 if (n == -1) return 1" | 604 if (n == -1) return 1" |
| 589 . auto/feature | 605 . auto/feature |
| 590 | 606 |
| 591 | 607 |
| 592 ngx_feature="sys_nerr" | 608 ngx_feature="sys_nerr" |