API changes

src/libCom/os/VMS/sigPipeIgnore.c

@@ -0,0 +1,10 @@
+
+#include "sigPipeIgnore.h"
+
+/*
+ * NOOP
+ */
+void installSigPipeIgnore (void)
+{
+}
+ 

src/libCom/os/WIN32/sigPipeIgnore.c

@@ -0,0 +1,10 @@
+
+#include "sigPipeIgnore.h"
+
+/*
+ * NOOP
+ */
+void installSigPipeIgnore (void)
+{
+}
+ 

src/libCom/os/generic/ipAddrToA.c

@@ -40,7 +40,8 @@
 #include <osiSock.h>
 
 /*
- * inetAddrToHostName()
+ * ipAddrToA()
+ * (convert IP address to ASCII host name)
  */
 void ipAddrToA (const struct sockaddr_in *pInetAddr, char *pBuf, 
 		const unsigned bufSize)

src/libCom/os/generic/sigPipeIgnore.c

@@ -0,0 +1,79 @@
+
+/*
+ * install NOOP SIGPIPE handler
+ *
+ * escape into C to call signal because of a brain dead
+ * signal() func proto supplied in signal.h by gcc 2.7.2
+ */
+
+#include <signal.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+#include "sigPipeIgnore.h"
+
+typedef void (*pSigFunc) ();
+
+static pSigFunc pReplacedFunc;
+
+static void localInstallSigPipeIgnore (void);
+
+/*
+ * ignoreSigPipe ()
+ */
+static void ignoreSigPipe (int param)
+{
+	if (pReplacedFunc) {
+		(*pReplacedFunc) (param);
+	}
+	/*
+	 * some versios of unix reset to SIG_DFL
+	 * each time that the signal occurs
+	 */
+	localInstallSigPipeIgnore ();
+}
+
+/*
+ * installSigPipeIgnore ()
+ */
+void installSigPipeIgnore (void)
+{
+	static int init;
+
+	if (init) {
+		return;
+	}
+	localInstallSigPipeIgnore();
+	init = 1;
+}
+
+/*
+ * localInstallSigPipeIgnore ()
+ *
+ * dont allow disconnect to terminate process
+ * when running in UNIX environment
+ *
+ * allow error to be returned to sendto()
+ * instead of handling disconnect at interrupt
+ */
+static void localInstallSigPipeIgnore (void)
+{
+	pSigFunc sigRet;
+
+	sigRet = signal (SIGPIPE, ignoreSigPipe);
+	if (sigRet==SIG_ERR) {
+		fprintf (stderr, "%s replace of SIGPIPE failed beacuse %s\n", 
+			__FILE__, strerror(errno));
+	}
+	else if (sigRet!=SIG_DFL && sigRet!=SIG_IGN) {
+		pReplacedFunc = sigRet;
+	}
+	/*
+	 * no infinite loops 
+	 */
+	if (pReplacedFunc==ignoreSigPipe) {
+		pReplacedFunc = NULL;
+	}
+}
+

src/libCom/os/vxWorks/sigPipeIgnore.c

@@ -0,0 +1,10 @@
+
+#include "sigPipeIgnore.h"
+
+/*
+ * NOOP
+ */
+void installSigPipeIgnore (void)
+{
+}
+