Windows TCP now working.

There are lots of changes here, mostly stuff we did in support of
Windows TCP.  However, there are some bugs that were fixed, and we
added some new error codes, and generalized the handling of some failures
during accept.  Windows IPC (NamedPipes) is still missing.

1 files changed, 22 insertions, 1 deletions

diff --git a/src/platform/posix/posix_thread.c b/src/platform/posix/posix_thread.c
index a429e071..7b4dbbdc 100644
--- a/src/platform/posix/posix_thread.c
+++ b/src/platform/posix/posix_thread.c
@@ -28,6 +28,7 @@ static int nni_plat_forked = 0;
 
 pthread_condattr_t nni_cvattr;
 pthread_mutexattr_t nni_mxattr;
+static pthread_attr_t nni_pthread_attr;
 
 // We open a /dev/null file descriptor so that we can dup2() it to
 // cause MacOS X to wakeup.  This gives us a "safe" close semantic.
@@ -189,7 +190,8 @@ nni_plat_thr_init(nni_plat_thr *thr, void (*fn)(void *), void *arg)
 	thr->arg = arg;
 
 	// POSIX wants functions to return a void *, but we don't care.
-	rv = pthread_create(&thr->tid, NULL, nni_plat_thr_main, thr);
+	rv = pthread_create(&thr->tid, &nni_pthread_attr,
+		nni_plat_thr_main, thr);
 	if (rv != 0) {
 		//nni_printf("pthread_create: %s", strerror(rv));
 		return (NNG_ENOMEM);
@@ -263,9 +265,27 @@ nni_plat_init(int (*helper)(void))
 		return (NNG_ENOMEM);
 	}
 
+	rv = pthread_attr_init(&nni_pthread_attr);
+	if (rv != 0) {
+		pthread_mutex_unlock(&nni_plat_lock);
+		(void) close(nni_plat_devnull);
+		pthread_mutexattr_destroy(&nni_mxattr);
+		pthread_condattr_destroy(&nni_cvattr);
+		return (NNG_ENOMEM);
+	}
+
+	// We don't force this, but we want to have it small... we could
+	// probably get by with even just 8k, but Linux usually wants 16k
+	// as a minimum.  If this fails, its not fatal, just we won't be
+	// as scalable / thrifty with our use of VM.
+	(void) pthread_attr_setstacksize(&nni_pthread_attr, 16384);
+
 	if (pthread_atfork(NULL, NULL, nni_atfork_child) != 0) {
 		pthread_mutex_unlock(&nni_plat_lock);
 		(void) close(nni_plat_devnull);
+		pthread_mutexattr_destroy(&nni_mxattr);
+		pthread_condattr_destroy(&nni_cvattr);
+		pthread_attr_destroy(&nni_pthread_attr);
 		return (NNG_ENOMEM);
 	}
 	if ((rv = helper()) == 0) {
@@ -284,6 +304,7 @@ nni_plat_fini(void)
 	if (nni_plat_inited) {
 		pthread_mutexattr_destroy(&nni_mxattr);
 		pthread_condattr_destroy(&nni_cvattr);
+		pthread_attr_destroy(&nni_pthread_attr);
 		(void) close(nni_plat_devnull);
 		nni_plat_devnull = -1;
 		nni_plat_inited = 0;