From af1c3bc1b00bc50f93ba1102c53e468c9a5d0a4c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lars=20Gullik=20Bj=C3=B8nnes?= <larsbj@gullik.org>
Date: Thu, 1 Mar 2001 14:26:01 +0000
Subject: [PATCH] lyx-devel.diff

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@1650 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/support/ChangeLog   |  7 +++++++
 src/support/filetools.C |  1 -
 src/support/syscall.C   | 19 ++++++++-----------
 src/support/syscall.h   |  1 +
 4 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/src/support/ChangeLog b/src/support/ChangeLog
index fee26038b3..8edc1e5142 100644
--- a/src/support/ChangeLog
+++ b/src/support/ChangeLog
@@ -1,3 +1,10 @@
+2001-02-28  Baruch Even  <baruch@ev-en.org>
+
+	* filetools.C: Removed dependency on syscall.h
+
+	* syscall.h:
+	* syscall.C: Minor cleanings before I start to touch this code.
+
 2001-02-27  Lars Gullik Bjønnes  <larsbj@trylle.birdstep.com>
 
 	* filetools.C (CreateTmpDir): change umask to 0700.
diff --git a/src/support/filetools.C b/src/support/filetools.C
index 725e1557a1..b9de57da7b 100644
--- a/src/support/filetools.C
+++ b/src/support/filetools.C
@@ -32,7 +32,6 @@
 #include "lyx_gui_misc.h"
 #include "FileInfo.h"
 #include "support/path.h"        // I know it's OS/2 specific (SMiyata)
-#include "support/syscall.h"
 #include "gettext.h"
 #include "lyxlib.h"
 
diff --git a/src/support/syscall.C b/src/support/syscall.C
index 5df0404cd1..46591cc82a 100644
--- a/src/support/syscall.C
+++ b/src/support/syscall.C
@@ -25,12 +25,7 @@ Systemcalls::Systemcalls() {
 
 Systemcalls::Systemcalls(Starttype how, string const & what, Callbackfct cback)
 {
-	start   = how;
-	command = what;
-	cbk     = cback;
-	pid     = static_cast<pid_t>(0);
-	retval  = 0;
-	startscript();
+	startscript(how, what, cback);
 }
 
 Systemcalls::~Systemcalls() {
@@ -95,7 +90,7 @@ void Systemcalls::kill(int /*tolerance*/) {
 	if (wait_for_death) {
 		// Here, we should add the PID to a list of
 		// waiting processes to kill if they are not
-		// dead without tolerance seconds
+		// dead within tolerance seconds
 
 		// CHECK Implement this using the timer of
 		// the singleton systemcontroller (Asger)
@@ -144,14 +139,16 @@ pid_t Systemcalls::fork()
 {
 	pid_t cpid= ::fork();
 	if (cpid == 0) { // child
+		// TODO: Consider doing all of this before the fork, otherwise me
+		// might have troubles with multi-threaded access. (Baruch 20010228)
 		string childcommand(command); // copy
 		string rest = split(command, childcommand, ' ');
 		const int MAX_ARGV = 255;
 		char *syscmd = 0; 
 		char *argv[MAX_ARGV];
 		int  index = 0;
-		bool more;
-		do {
+		bool more = true;
+		while (more) {
 			childcommand = frontStrip(childcommand);
 			if (syscmd == 0) {
 				syscmd = new char[childcommand.length() + 1];
@@ -169,7 +166,7 @@ pid_t Systemcalls::fork()
 			more = !rest.empty();
 			if (more) 
 				rest = split(rest, childcommand, ' ');
-		} while (more);
+		}
 		argv[index] = 0;
 		// replace by command. Expand using PATH-environment-var.
 		execvp(syscmd, argv);
@@ -187,7 +184,7 @@ pid_t Systemcalls::fork()
 // Reuse of instance
 
 int Systemcalls::startscript(Starttype how, string const & what, 
-			     Callbackfct cback)
+                             Callbackfct cback)
 {
 	start   = how;
 	command = what;
diff --git a/src/support/syscall.h b/src/support/syscall.h
index 4aa51cece7..dd014ae112 100644
--- a/src/support/syscall.h
+++ b/src/support/syscall.h
@@ -86,6 +86,7 @@ public:
 	    When the child is dead, the callback is called.
 	*/
 	void kill(int tolerance = 5);
+
 private:
 	/// Type of execution: system, wait for child or background
 	Starttype start;