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| author | julian <julian@FreeBSD.org> | 1996-01-22 00:02:33 +0000 |
|---|---|---|
| committer | julian <julian@FreeBSD.org> | 1996-01-22 00:02:33 +0000 |
| commit | 619b731f5bb5e09dcf1eaf1fbd96383ca64398fd (patch) | |
| tree | a89c7f50ec371cef4418259b9dccdd31ebb2f61f /lib/libc/sys/getpeername.2 | |
| parent | 663b14fb2f3198fb0bfb62ae16b6b56c2a4dd055 (diff) | |
| download | FreeBSD-src-619b731f5bb5e09dcf1eaf1fbd96383ca64398fd.zip FreeBSD-src-619b731f5bb5e09dcf1eaf1fbd96383ca64398fd.tar.gz | |
Reviewed by: julian and (hsu?)
Submitted by: John Birrel(L?)
changes for threadsafe operations
Diffstat (limited to 'lib/libc/sys/getpeername.2')
| -rw-r--r-- | lib/libc/sys/getpeername.2 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/libc/sys/getpeername.2 b/lib/libc/sys/getpeername.2 index d89488c..5ca0a44 100644 --- a/lib/libc/sys/getpeername.2 +++ b/lib/libc/sys/getpeername.2 @@ -53,6 +53,28 @@ the amount of space pointed to by On return it contains the actual size of the name returned (in bytes). The name is truncated if the buffer provided is too small. +.Sh IMPLEMENTATION NOTES +.Pp +In the non-threaded library +.Fn getpeername +is implemented as the +.Va getpeername +syscall. +.Pp +In the threaded library, the +.Va getpeername +syscall is assembled to +.Fn _thread_sys_getpeername +and +.Fn getpeername +is implemented as a function which locks +.Va s +for read and write, then calls +.Fn _thread_sys_getpeername . +Before returning, +.Fn getpeername +unlocks +.Va s . .Sh DIAGNOSTICS A 0 is returned if the call succeeds, -1 if it fails. .Sh ERRORS |
