[or-cvs] implemented cpuworkers

[Roger Dingledine]

Update of /home/or/cvsroot/src/common
In directory moria.mit.edu:/home2/arma/work/onion/cvs/src/common

Modified Files:
	util.c util.h 
Log Message:
implemented cpuworkers

please poke at it and report bugs

still needs polishing, and only handles onions now (should handle
OR handshakes too)


Index: util.c
===================================================================
RCS file: /home/or/cvsroot/src/common/util.c,v
retrieving revision 1.15
retrieving revision 1.16
diff -u -d -r1.15 -r1.16
--- util.c	14 Aug 2003 17:51:36 -0000	1.15
+++ util.c	20 Aug 2003 23:05:19 -0000	1.16
@@ -88,6 +88,21 @@
   a->tv_usec %= 1000000;
 }
 
+/* a wrapper for write(2) that makes sure to write all count bytes.
+ * Only use if fd is a blocking socket. */
+int write_all(int fd, const void *buf, size_t count) {
+  int written = 0;
+  int result;
+
+  while(written != count) {
+    result = write(fd, buf+written, count-written);
+    if(result<0)
+      return -1;
+    written += result;
+  }
+  return count;
+}
+
 void set_socket_nonblocking(int socket)
 {
 #ifdef MS_WINDOWS

Index: util.h
===================================================================
RCS file: /home/or/cvsroot/src/common/util.h,v
retrieving revision 1.9
retrieving revision 1.10
diff -u -d -r1.9 -r1.10
--- util.h	14 Aug 2003 17:51:36 -0000	1.9
+++ util.h	20 Aug 2003 23:05:19 -0000	1.10
@@ -51,6 +51,8 @@
 void tv_add(struct timeval *a, struct timeval *b);
 int tv_cmp(struct timeval *a, struct timeval *b);
 
+int write_all(int fd, const void *buf, size_t count);
+
 void set_socket_nonblocking(int socket);
 
 /* Minimalist interface to run a void function in the background.  On