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Diffstat (limited to 'lib/libc/sys/write.2')
| -rw-r--r-- | lib/libc/sys/write.2 | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/lib/libc/sys/write.2 b/lib/libc/sys/write.2 index 77fba35..d8a4177 100644 --- a/lib/libc/sys/write.2 +++ b/lib/libc/sys/write.2 @@ -124,54 +124,6 @@ and may write fewer bytes than requested; the return value must be noted, and the remainder of the operation should be retried when possible. -.Sh IMPLEMENTATION NOTES -In the non-threaded library -.Fn write -is implemented as the -.Va write -syscall. -.Pp -In the threaded library, the -.Va write -syscall is assembled to -.Fn _thread_sys_write -and -.Fn write -is implemented as a function which locks -.Fa d -for read and write, then calls -.Fn _thread_sys_write . -If the call to -.Fn _thread_sys_write -would block, a context switch is performed. -Before returning, -.Fn write -unlocks -.Fa d . -.Pp -In the non-threaded library -.Fn writev -is implemented as the -.Va writev -syscall. -.Pp -In the threaded library, the -.Va writev -syscall is assembled to -.Fn _thread_sys_writev -and -.Fn writev -is implemented as a function which locks -.Fa d -for read and write, then calls -.Fn _thread_sys_writev . -If the call to -.Fn _thread_sys_writev -would block, a context switch is performed. -Before returning, -.Fn writev -unlocks -.Fa d . .Sh RETURN VALUES Upon successful completion the number of bytes which were written is returned. Otherwise a -1 is returned and the global variable |
