From f1bfc54e12efe488e355debf696dbd999c62fe07 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Fri, 14 May 2004 17:45:39 +0000
Subject: More little bug fixes

---
 src/lib9/9proc.h   |  2 ++
 src/lib9/_p9proc.c | 13 +++++++++++++
 src/lib9/fork.c    |  1 +
 3 files changed, 16 insertions(+)

(limited to 'src/lib9')

diff --git a/src/lib9/9proc.h b/src/lib9/9proc.h
index 663d65b6..1f471b6f 100644
--- a/src/lib9/9proc.h
+++ b/src/lib9/9proc.h
@@ -18,3 +18,5 @@ struct Uproc
 
 extern Uproc *_p9uproc(int);
 extern void _p9uprocdie(void);
+extern void _clearuproc(void);
+
diff --git a/src/lib9/_p9proc.c b/src/lib9/_p9proc.c
index c492ae15..9543bf24 100644
--- a/src/lib9/_p9proc.c
+++ b/src/lib9/_p9proc.c
@@ -18,6 +18,19 @@ static Uproc *alluproc[PIDHASH];
 static int allupid[PIDHASH];
 static Lock uproclock;
 
+void
+_clearuproc(void)
+{
+	int i;
+
+	/* called right after fork - no locking needed */
+	for(i=0; i<PIDHASH; i++)
+		if(alluproc[i] != T && alluproc[i] != 0)
+			free(alluproc[i]);
+	memset(alluproc, 0, sizeof alluproc);
+	memset(allupid, 0, sizeof allupid);
+}
+		
 Uproc*
 _p9uproc(int inhandler)
 {
diff --git a/src/lib9/fork.c b/src/lib9/fork.c
index 99e84dc9..4dbff87b 100644
--- a/src/lib9/fork.c
+++ b/src/lib9/fork.c
@@ -9,6 +9,7 @@ p9fork(void)
 	int pid;
 
 	pid = fork();
+	_clearuproc();
 	_p9uproc(0);
 	return pid;
 }
-- 
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