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changeset 1962:50c71474709b

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Added PID to the unix domain socket name, to avoid conflicts from multiple instances of the same application. Also unlink (delete) any left over filesystem nodes from previous runs of the application.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Fri, 26 Jul 2019 21:54:14 +0000
parents 824fdbc2f761
children 80f6be39b7fe
files dwcompat.h
diffstat 1 files changed, 3 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/dwcompat.h	Fri Jul 26 07:08:53 2019 +0000
+++ b/dwcompat.h	Fri Jul 26 21:54:14 2019 +0000
@@ -195,7 +195,7 @@
 #define PIPEROOT "/tmp/"
 #endif
 
-#define PIPENAME "%s" __TARGET__ "%d"
+#define PIPENAME "%s" __TARGET__ "%d-%d"
 
 #if defined(_P_NOWAIT) && !defined(P_NOWAIT)
 #define P_NOWAIT _P_NOWAIT
@@ -342,7 +342,8 @@
 	pipes[1] = socket(AF_UNIX, SOCK_STREAM, 0); \
 	memset(&un, 0, sizeof(un)); \
 	un.sun_family=AF_UNIX; \
-	sprintf(un.sun_path, PIPENAME, PIPEROOT, pipes[1]); \
+	sprintf(un.sun_path, PIPENAME, PIPEROOT, (int)getpid(), pipes[1]); \
+	unlink(un.sun_path); \
 	bind(tmpsock, (struct sockaddr *)&un, sizeof(un)); \
 	listen(tmpsock, 0); \
 	connect(pipes[1], (struct sockaddr *)&un, sizeof(un)); \