From 7966faa931bfa9cf4ca53dd2d5b6e1eb0f174411 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Thu, 23 Sep 2004 03:01:36 +0000
Subject: Continue fighting pthreads. Clean up thread library a bit too.

---
 src/libthread/exec-unix.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'src/libthread/exec-unix.c')

diff --git a/src/libthread/exec-unix.c b/src/libthread/exec-unix.c
index 3d4dfcac..91639bbb 100644
--- a/src/libthread/exec-unix.c
+++ b/src/libthread/exec-unix.c
@@ -10,9 +10,20 @@ _threadexec(Channel *pidc, int fd[3], char *prog, char *args[], int freeargs)
 	int pfd[2];
 	int n, pid;
 	char exitstr[ERRMAX];
+	static int firstexec = 1;
+	static Lock lk;
 
 	_threaddebug(DBGEXEC, "threadexec %s", prog);
-	
+
+	if(firstexec){
+		lock(&lk);
+		if(firstexec){
+			firstexec = 0;
+			_threadfirstexec();
+		}
+		unlock(&lk);
+	}
+
 	/*
 	 * We want threadexec to behave like exec; if exec succeeds,
 	 * never return, and if it fails, return with errstr set.
@@ -41,6 +52,7 @@ _threadexec(Channel *pidc, int fd[3], char *prog, char *args[], int freeargs)
 		efork(fd, pfd, prog, args);
 		_exit(0);
 	default:
+		_threadafterexec();
 		if(freeargs)
 			free(args);
 		break;
-- 
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