syscall: Permit non-blocking syscalls.
Permit system calls to be designated as non-blocking, meaning
that we simply call them without involving the scheduler.
This change by itself is mostly performance neutral. In
combination with a following change to the net package there
is a performance advantage.
R=rsc, dfc, r2, iant2, rsc1
CC=golang-dev
https://golang.org/cl/4278055
diff --git a/src/pkg/syscall/syscall_freebsd.go b/src/pkg/syscall/syscall_freebsd.go
index ed31066..a980b96 100644
--- a/src/pkg/syscall/syscall_freebsd.go
+++ b/src/pkg/syscall/syscall_freebsd.go
@@ -37,8 +37,8 @@
//sys Chown(path string, uid int, gid int) (errno int)
//sys Chroot(path string) (errno int)
//sys Close(fd int) (errno int)
-//sys Dup(fd int) (nfd int, errno int)
-//sys Dup2(from int, to int) (errno int)
+//sysnb Dup(fd int) (nfd int, errno int)
+//sysnb Dup2(from int, to int) (errno int)
//sys Exit(code int)
//sys Fchdir(fd int) (errno int)
//sys Fchflags(path string, flags int) (errno int)
@@ -52,20 +52,20 @@
//sys Ftruncate(fd int, length int64) (errno int)
//sys Getdirentries(fd int, buf []byte, basep *uintptr) (n int, errno int)
//sys Getdtablesize() (size int)
-//sys Getegid() (egid int)
-//sys Geteuid() (uid int)
+//sysnb Getegid() (egid int)
+//sysnb Geteuid() (uid int)
//sys Getfsstat(buf []Statfs_t, flags int) (n int, errno int)
-//sys Getgid() (gid int)
-//sys Getpgid(pid int) (pgid int, errno int)
-//sys Getpgrp() (pgrp int)
-//sys Getpid() (pid int)
-//sys Getppid() (ppid int)
+//sysnb Getgid() (gid int)
+//sysnb Getpgid(pid int) (pgid int, errno int)
+//sysnb Getpgrp() (pgrp int)
+//sysnb Getpid() (pid int)
+//sysnb Getppid() (ppid int)
//sys Getpriority(which int, who int) (prio int, errno int)
-//sys Getrlimit(which int, lim *Rlimit) (errno int)
-//sys Getrusage(who int, rusage *Rusage) (errno int)
-//sys Getsid(pid int) (sid int, errno int)
-//sys Gettimeofday(tv *Timeval) (errno int)
-//sys Getuid() (uid int)
+//sysnb Getrlimit(which int, lim *Rlimit) (errno int)
+//sysnb Getrusage(who int, rusage *Rusage) (errno int)
+//sysnb Getsid(pid int) (sid int, errno int)
+//sysnb Gettimeofday(tv *Timeval) (errno int)
+//sysnb Getuid() (uid int)
//sys Issetugid() (tainted bool)
//sys Kill(pid int, signum int) (errno int)
//sys Kqueue() (fd int, errno int)
@@ -88,18 +88,18 @@
//sys Rmdir(path string) (errno int)
//sys Seek(fd int, offset int64, whence int) (newoffset int64, errno int) = SYS_LSEEK
//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (errno int)
-//sys Setegid(egid int) (errno int)
-//sys Seteuid(euid int) (errno int)
-//sys Setgid(gid int) (errno int)
+//sysnb Setegid(egid int) (errno int)
+//sysnb Seteuid(euid int) (errno int)
+//sysnb Setgid(gid int) (errno int)
//sys Setlogin(name string) (errno int)
-//sys Setpgid(pid int, pgid int) (errno int)
+//sysnb Setpgid(pid int, pgid int) (errno int)
//sys Setpriority(which int, who int, prio int) (errno int)
-//sys Setregid(rgid int, egid int) (errno int)
-//sys Setreuid(ruid int, euid int) (errno int)
-//sys Setrlimit(which int, lim *Rlimit) (errno int)
-//sys Setsid() (pid int, errno int)
-//sys Settimeofday(tp *Timeval) (errno int)
-//sys Setuid(uid int) (errno int)
+//sysnb Setregid(rgid int, egid int) (errno int)
+//sysnb Setreuid(ruid int, euid int) (errno int)
+//sysnb Setrlimit(which int, lim *Rlimit) (errno int)
+//sysnb Setsid() (pid int, errno int)
+//sysnb Settimeofday(tp *Timeval) (errno int)
+//sysnb Setuid(uid int) (errno int)
//sys Stat(path string, stat *Stat_t) (errno int)
//sys Statfs(path string, stat *Statfs_t) (errno int)
//sys Symlink(path string, link string) (errno int)
