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author | Matthew D Fleming <mdf@FreeBSD.org> | 2011-01-25 17:39:52 +0000 |
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committer | Matthew D Fleming <mdf@FreeBSD.org> | 2011-01-25 17:39:52 +0000 |
commit | 7c2dd57bdb4b8998f4cb287a7ee8611c10beaff5 (patch) | |
tree | 9e0b51c1296a72d93adf4ceef4eb5364a1e7b910 /share | |
parent | 965615476e4ae3ff0a6c7d29a931d580444de72b (diff) | |
download | src-7c2dd57bdb4b8998f4cb287a7ee8611c10beaff5.tar.gz src-7c2dd57bdb4b8998f4cb287a7ee8611c10beaff5.zip |
Document sbuf_new_for_sysctl(9).
Pointed out by: lstewart
Notes
Notes:
svn path=/head/; revision=217830
Diffstat (limited to 'share')
-rw-r--r-- | share/man/man9/Makefile | 1 | ||||
-rw-r--r-- | share/man/man9/sbuf.9 | 15 |
2 files changed, 15 insertions, 1 deletions
diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile index 6366b1f3deb5..fdcb106bb1cc 100644 --- a/share/man/man9/Makefile +++ b/share/man/man9/Makefile @@ -1031,6 +1031,7 @@ MLINKS+=sbuf.9 sbuf_bcat.9 \ sbuf.9 sbuf_finish.9 \ sbuf.9 sbuf_len.9 \ sbuf.9 sbuf_new.9 \ + sbuf.9 sbuf_new_for_sysctl.9 \ sbuf.9 sbuf_printf.9 \ sbuf.9 sbuf_putc.9 \ sbuf.9 sbuf_set_drain.9 \ diff --git a/share/man/man9/sbuf.9 b/share/man/man9/sbuf.9 index 0b6aa908d079..798b1c890ffb 100644 --- a/share/man/man9/sbuf.9 +++ b/share/man/man9/sbuf.9 @@ -25,13 +25,14 @@ .\" .\" $FreeBSD$ .\" -.Dd May 17, 2009 +.Dd January 25, 2011 .Dt SBUF 9 .Os .Sh NAME .Nm sbuf , .Nm sbuf_new , .Nm sbuf_new_auto , +.Nm sbuf_new_for_sysctl , .Nm sbuf_clear , .Nm sbuf_setpos , .Nm sbuf_bcat , @@ -99,6 +100,9 @@ .Fn sbuf_done "struct sbuf *s" .Ft void .Fn sbuf_delete "struct sbuf *s" +.In sys/sysctl.h +.Ft struct sbuf * +.Fn sbuf_new_for_sysctl "struct sbuf *s" "char *buf" "int length" "struct sysctl_req *req" .Sh DESCRIPTION The .Nm @@ -169,6 +173,15 @@ and .Dv SBUF_AUTOEXTEND . .Pp The +.Fn sbuf_new_for_sysctl +function will set up an sbuf with a drain function to use +.Fn SYSCTL_OUT +when the internal buffer fills. +The sysctl old buffer will be wired, which allows for doing an +.Fn sbuf_printf +while holding a mutex. +.Pp +The .Fn sbuf_delete function clears the .Fa sbuf |