Add weak definitions for wrapped system calls. In general:

	_foo - wrapped system call
	foo - weak definition to _foo

and for cancellation points:

	_foo - wrapped system call
	__foo - enter cancellation point, call _foo(), leave
	        cancellation point
	foo - weak definition to __foo

Change use of global _thread_run to call a function to get the
currently running thread.

Make all pthread_foo functions weak definitions to _pthread_foo,
where _pthread_foo is the implementation.  This allows an application
to provide its own pthread functions.

Provide slightly different versions of pthread_mutex_lock and
pthread_mutex_init so that we can tell the difference between
a libc mutex and an application mutex.  Threads holding mutexes
internal to libc should never be allowed to exit, call signal
handlers, or cancel.

Approved by:	-arch

1 files changed, 0 insertions, 17 deletions

diff --git a/lib/libpthread/Makefile b/lib/libpthread/Makefile
index 9b20a24..d7b21bc 100644
--- a/lib/libpthread/Makefile
+++ b/lib/libpthread/Makefile
@@ -22,23 +22,6 @@ CFLAGS+=-D_PTHREADS_INVARIANTS
 AINC=	-I${.CURDIR}/../libc/${MACHINE_ARCH} -I${.CURDIR}/uthread
 PRECIOUSLIB=	yes
 
-#
-# This is a list of syscalls that are renamed as _thread_sys_{syscall}
-# so that libc_r can provide replacement functions.
-#
-HIDDEN_SYSCALLS= aio_suspend.o accept.o bind.o close.o connect.o dup.o dup2.o \
-	execve.o fchflags.o fchmod.o fchown.o fcntl.o \
-	flock.o fpathconf.o fstat.o fstatfs.o fsync.o getdirentries.o \
-	getlogin.o getpeername.o getsockname.o getsockopt.o ioctl.o \
-	kevent.o listen.o \
-	msync.o nanosleep.o nfssvc.o open.o poll.o read.o readv.o recvfrom.o \
-	recvmsg.o sched_yield.o select.o sendfile.o sendmsg.o sendto.o \
-	setsockopt.o shutdown.o sigaction.o sigaltstack.o \
-	signanosleep.o sigpending.o sigprocmask.o sigreturn.o sigsetmask.o \
-	sigsuspend.o socket.o \
-	socketpair.o wait4.o write.o writev.o
-
-.include "${.CURDIR}/../libc/Makefile.inc"
 .include "${.CURDIR}/man/Makefile.inc"
 .include "${.CURDIR}/uthread/Makefile.inc"
 .include "${.CURDIR}/sys/Makefile.inc"